What are the cheapest airlines flying from Las Vegas to London round-trip?

Flying on Delta is currently your cheapest option to London, with prices starting at £485. Additional return tickets that might be worth considering are offered by American Airlines and Air Canada, with the lowest prices starting at £486 and £488, respectively. Delta is priced at 18% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Las Vegas to London one-way?

The cheapet airlines for a one-way flight from Las Vegas to London are Air Canada (£282), Iberia (£290), and Lufthansa (£295).

What are the most popular routes from Las Vegas to London?

While some choose either Las Vegas Harry Reid Intl - London City or Las Vegas Harry Reid Intl - London Gatwick, Las Vegas Harry Reid Intl - London Heathrow is the most popular route from Las Vegas to London.

What are the cheapest flights from Las Vegas to London?

On average you can expect to pay £575 for a flight from Las Vegas to London. The cheapest flight overall is £232 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £450.

What are the most reliable airlines from Las Vegas to London?

Consider KLM (93%), Air France (86%) or Delta (86%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to London.

What are the most popular airlines that fly from Las Vegas to London?

Before booking your flight from Las Vegas to London check out the most popular airlines for this route: British Airways, KLM or Virgin Atlantic.

What is the cheapest day to fly round-trip from Las Vegas to London?

Monday flights are found to be more expensive to fly from Las Vegas to London. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to London.

How far in advance should I book a flight from Las Vegas to London?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 16 days in advance, which can save you up to 42% on flights from Las Vegas to London compared to booking the week you need them. Waiting 16 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £526. For sooner than that we have options available in the next 3 days from £761.

What is the cheapest month to fly from Las Vegas to London?

Flights from Las Vegas to London lean towards being more expensive in June. Prices are generally better when you fly from Las Vegas to London in January, with the cheapest ticket starting at £253.

What airport do you fly from for flights from Las Vegas to London?

If you book a flight to London from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 10 flights from Harry Reid Intl to London per day from 3 different airlines.

Can I find deals for flights from Las Vegas to London that include hotel bookings?

Yes. In addition to deals on Las Vegas to London flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Las Vegas to London?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to London.

Can I find deals for business class flights from Las Vegas to London?

Yes. Cheapflights offers flight deals from Las Vegas to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£173+ Flights from Las Vegas to London

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London are usually found in January or February, booked 15 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from Las Vegas to London

Round-trip from	£485
One-way from	£173
Popular in	June
Cheapest in	January
Average price	£578
Good round-trip deal	£712 or less
Good one-way deal	£157 or less

12/5-18/5
3 total stops
61h 38m total
Las Vegas to London

Search Deals

3/5
1 total stop
33h 16m total
Las Vegas to London

Search Deals

Highest demand for flights based on searches. 27% potential increase in price (£175 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London (LON).

Search Deals

Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London (LON).

Search Deals

Find flight deals from Las Vegas to London

Cheapest flights from Las Vegas to London
Explore the most affordable flight options available from Las Vegas to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2025.

Tue 29/405:05LAS - LGW

3 stops25h 35mMultiple Airlines

Wed 14/510:55LGW - LAS

1 stop28h 24mMultiple Airlines

Deal found 9/4£464

Thu 17/415:10LAS - LGW

Nonstop10h 10mIberia

Thu 24/410:25LGW - LAS

Nonstop10h 55mIberia

Deal found 9/4£485

Wed 23/417:40LAS - LHR

1 stop12h 55mDelta

Tue 6/512:25LHR - LAS

1 stop18h 20mDelta

Deal found 11/4£485

Tue 22/414:51LAS - LHR

1 stop13h 54mAmerican Airlines

Tue 6/512:00LHR - LAS

1 stop14h 41mAmerican Airlines

Deal found 11/4£486

Tue 22/407:25LAS - LHR

1 stop21h 55mAir Canada

Tue 6/515:50LHR - LAS

2 stops29h 06mAir Canada

Deal found 11/4£488

Tue 23/900:59LAS - LHR

1 stop21h 56mBritish Airways

Thu 9/1009:55LHR - LAS

1 stop19h 55mBritish Airways

Deal found 11/4£489

Fri 2/506:05LAS - STN

3 stops20h 35mMultiple Airlines

Fri 9/511:40STN - LAS

2 stops29h 45mMultiple Airlines

Deal found 10/4£492

Sat 20/922:43LAS - LHR

1 stop27h 57mUnited Airlines

Wed 8/1008:00LHR - LAS

2 stops21h 58mUnited Airlines

Deal found 11/4£492

Sun 27/416:05LAS - LCY

1 stop17h 15mVirgin Atlantic

Tue 13/517:10LCY - LAS

1 stop28h 15mVirgin Atlantic

Deal found 10/4£493

Tue 23/907:30LAS - LHR

2 stops18h 30mMultiple Airlines

Sun 28/906:30LHR - LAS

2 stops17h 18mMultiple Airlines

Deal found 11/4£493

Fri 25/419:20LAS - LHR

1 stop14h 30mSWISS

Fri 9/508:40LHR - LAS

1 stop16h 10mSWISS

Deal found 11/4£495

Wed 1/1022:05LAS - LHR

Nonstop10h 00mIberia

Sat 25/1016:25LHR - LAS

1 stop14h 58mIberia

Deal found 11/4£496

Best flights from Las Vegas to London
Discover carefully curated flight deals from Las Vegas to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 April 2025.

Mon 12/521:26LAS - LGW

2 stops33h 14mMultiple Airlines

Sun 18/510:55LGW - LAS

1 stop28h 24mMultiple Airlines

Deal found 11/4£485

Wed 23/417:40LAS - LHR

1 stop12h 55mDelta

Tue 6/512:25LHR - LAS

1 stop18h 20mDelta

Deal found 11/4£485

Tue 22/414:51LAS - LHR

1 stop13h 54mAmerican Airlines

Tue 6/512:00LHR - LAS

1 stop14h 41mAmerican Airlines

Deal found 11/4£486

Tue 22/407:25LAS - LHR

1 stop21h 55mAir Canada

Tue 6/515:50LHR - LAS

2 stops29h 06mAir Canada

Deal found 11/4£488

Tue 23/900:59LAS - LHR

1 stop21h 56mBritish Airways

Thu 9/1009:55LHR - LAS

1 stop19h 55mBritish Airways

Deal found 11/4£489

Sat 20/922:43LAS - LHR

1 stop27h 57mUnited Airlines

Wed 8/1008:00LHR - LAS

2 stops21h 58mUnited Airlines

Deal found 11/4£492

Fri 25/419:20LAS - LHR

1 stop14h 30mSWISS

Fri 9/508:40LHR - LAS

1 stop16h 10mSWISS

Deal found 11/4£495

Wed 1/1022:05LAS - LHR

Nonstop10h 00mIberia

Sat 25/1016:25LHR - LAS

1 stop14h 58mIberia

Deal found 11/4£496

Sun 27/416:05LAS - LCY

1 stop19h 35mVirgin Atlantic

Tue 13/510:00LCY - LAS

2 stops18h 15mVirgin Atlantic

Deal found 11/4£518

Wed 1/1020:25LAS - LCY

1 stop12h 15mKLM

Thu 9/1010:00LCY - LAS

1 stop16h 35mKLM

Deal found 11/4£526

Sun 10/811:30LAS - LGW

1 stop14h 30mAir France

Tue 2/912:00LGW - LAS

2 stops18h 43mAir France

Deal found 11/4£535

Sat 20/910:40LAS - LGW

1 stop14h 55mJetBlue

Mon 20/1012:10LGW - LAS

1 stop18h 25mJetBlue

Deal found 11/4£537

Direct flights from Las Vegas to London
Explore direct flight options from Las Vegas to London based on user searches, and compare prices and availability for your desired travel dates. Data last updated 12 April 2025.

Thu 1/515:10LAS - LGW

Nonstop10h 10mIberia

Thu 8/510:25LGW - LAS

Nonstop10h 55mIberia

Deal found 10/4£508

Tue 29/721:10LAS - LHR

Nonstop9h 55mDelta

Wed 3/916:35LHR - LAS

Nonstop10h 45mDelta

Deal found 11/4£511

Wed 6/822:05LAS - LHR

Nonstop10h 00mIberia

Wed 13/817:20LHR - LAS

Nonstop10h 40mIberia

Deal found 11/4£514

Wed 7/521:10LAS - LHR

Nonstop9h 55mVirgin Atlantic

Fri 16/516:35LHR - LAS

Nonstop10h 45mVirgin Atlantic

Deal found 11/4£523

Sat 20/917:55LAS - LGW

Nonstop10h 00mBritish Airways

Sat 4/1013:00LGW - LAS

Nonstop11h 00mBritish Airways

Deal found 9/4£530

Wed 24/917:05LAS - LHR

Nonstop10h 10mBritish Airways

Wed 8/1017:20LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 11/4£532

Wed 24/917:05LAS - LHR

Nonstop10h 10mAmerican Airlines

Thu 9/1017:15LHR - LAS

Nonstop10h 40mAmerican Airlines

Deal found 11/4£570

Tue 22/421:10LAS - LHR

Nonstop9h 55mAir France

Wed 7/516:35LHR - LAS

Nonstop10h 45mAir France

Deal found 11/4£972

Mon 12/522:00LAS - LHR

Nonstop10h 00mMultiple Airlines

Tue 15/717:20LHR - LAS

Nonstop10h 40mMultiple Airlines

Deal found 11/4£1,155

Sat 10/517:55LAS - LGW

Nonstop10h 00mFinnair

Thu 15/510:25LGW - LAS

Nonstop10h 55mFinnair

Deal found 10/4£1,688

Thu 21/815:10LAS - LGW

Nonstop10h 10mMultiple Airlines

Thu 4/910:25LGW - LAS

Nonstop10h 55mMultiple Airlines

Deal found 11/4£1,810

Last-minute flights from Las Vegas to London
Discover last-minute flight deals from Las Vegas to London. Data last updated 12 April 2025 and is based on user searches.

Thu 17/415:10LAS - LGW

Nonstop10h 10mIberia

Thu 24/410:25LGW - LAS

Nonstop10h 55mIberia

Deal found 9/4£485

Mon 21/417:40LAS - LHR

1 stop12h 55mDelta

Mon 28/408:40LHR - LAS

1 stop13h 35mDelta

Deal found 11/4£511

Mon 21/406:00LAS - LHR

1 stop24h 10mUnited Airlines

Tue 6/509:30LHR - LAS

2 stops18h 59mUnited Airlines

Deal found 11/4£514

Mon 21/423:00LAS - LHR

2 stops25h 00mAer Lingus

Tue 6/513:25LHR - LAS

2 stops17h 28mAer Lingus

Deal found 11/4£727

Tue 22/414:51LAS - LHR

1 stop13h 54mAmerican Airlines

Tue 6/512:00LHR - LAS

1 stop14h 41mAmerican Airlines

Deal found 11/4£486

Tue 22/407:25LAS - LHR

1 stop21h 55mAir Canada

Tue 6/515:50LHR - LAS

2 stops29h 06mAir Canada

Deal found 11/4£488

Tue 22/412:45LAS - LHR

2 stops20h 55mScandinavian Airlines

Tue 6/507:05LHR - LAS

2 stops22h 52mScandinavian Airlines

Deal found 11/4£606

Tue 22/421:10LAS - LHR

Nonstop9h 55mAir France

Wed 7/516:35LHR - LAS

Nonstop10h 45mAir France

Deal found 11/4£972

Tue 22/422:05LAS - LHR

Nonstop10h 00mBritish Airways

Tue 6/517:20LHR - LAS

Nonstop10h 40mBritish Airways

Deal found 11/4£975

Tue 22/414:00LAS - LGW

2 stops16h 40mMultiple Airlines

Tue 6/513:00LGW - LAS

2 stops19h 19mMultiple Airlines

Deal found 11/4£988

Tue 22/409:00LAS - LGW

1 stop17h 45mAir Transat

Tue 6/512:40LGW - LAS

1 stop28h 13mAir Transat

Deal found 11/4£1,063

Tue 22/422:05LAS - LHR

Nonstop10h 00mIberia

Tue 6/517:20LHR - LAS

Nonstop10h 40mIberia

Deal found 11/4£1,115

One-way flights from Las Vegas to London
Search for one-way flight options from Las Vegas to London. Find affordable one-way fares based on user searches. Data last updated 12 April 2025.

Sat 3/517:39LAS - LGW

1 stop33h 16mMultiple Airlines

Deal found 11/4£173

Tue 8/709:55LAS - STN

2 stops26h 55mMultiple Airlines

Deal found 10/4£254

Tue 8/709:55LAS - LTN

2 stops28h 30mMultiple Airlines

Deal found 10/4£254

Tue 6/517:32LAS - LHR

3 stops42h 48mMultiple Airlines

Deal found 11/4£256

Wed 30/410:45LAS - SEN

2 stops26h 05mMultiple Airlines

Deal found 11/4£266

Sat 3/523:30LAS - LHR

1 stop23h 05mAir Canada

Deal found 11/4£282

Tue 5/815:10LAS - LGW

Nonstop10h 10mIberia

Deal found 12/4£290

Tue 5/822:05LAS - LHR

Nonstop10h 00mIberia

Deal found 12/4£290

Tue 22/406:01LAS - LHR

2 stops16h 54mLufthansa

Deal found 11/4£295

Fri 19/921:00LAS - LHR

1 stop15h 45mJetBlue

Deal found 11/4£301

Sun 4/521:10LAS - LHR

Nonstop9h 55mDelta

Deal found 11/4£302

Mon 21/400:59LAS - LHR

1 stop22h 41mUnited Airlines

Deal found 11/4£305

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Mon 12/5

21:26-14:40

2 stops33h 14m

London Gatwick

Sun 18/5

10:55-07:19

1 stop28h 24m

£485

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 23/4

17:40-14:35

1 stop12h 55m

London Heathrow

Tue 6/5

12:25-22:45

1 stop18h 20m

£485

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 22/4

14:51-12:45

1 stop13h 54m

London Heathrow

Tue 6/5

12:00-18:41

1 stop14h 41m

£486

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 22/4

07:25-13:20

1 stop21h 55m

London Heathrow

Tue 6/5

15:50-12:56

2 stops29h 06m

£488

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 23/9

00:59-06:55

1 stop21h 56m

London Heathrow

Thu 9/10

09:55-21:50

1 stop19h 55m

£489

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 20/9

22:43-10:40

1 stop27h 57m

London Heathrow

Wed 8/10

08:00-21:58

2 stops21h 58m

£492

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 23/9

07:30-10:00

2 stops18h 30m

London Heathrow

Sun 28/9

06:30-15:48

2 stops17h 18m

£493

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 25/4

19:20-17:50

1 stop14h 30m

London Heathrow

Fri 9/5

08:40-16:50

1 stop16h 10m

£495

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 1/10

22:05-16:05

Nonstop10h 00m

London Heathrow

Sat 25/10

16:25-23:23

1 stop14h 58m

£496

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sun 11/5

06:00-08:35

2 stops18h 35m

London Gatwick

Sun 18/5

10:40-22:00

2 stops19h 20m

£497

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 60 results

...

Best time to book a flight from Las Vegas to London

Have a flexible travel schedule? Discover the best time to fly to London from Las Vegas with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Las Vegas to London

How far ahead should I book a flight from Las Vegas to London?

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Las Vegas to London?

Currently, January is the cheapest month in which you can book a flight from Las Vegas to London (average of £112). Flying from Las Vegas to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LAS to LON?

One of the essential ways to save on airfare from Las Vegas to London is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 39% on airfare.

What is the cheapest day to fly from Las Vegas to London?

Travellers seeking maximum savings on their Las Vegas to London flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Las Vegas to London

The most flights from LAS to LON are scheduled on a Tuesday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in London by month

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

Temperature in London by month

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing London

To help decide which airline to fly from Las Vegas to London, see what other customers have to say about Delta, Porter Airlines and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,913 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,913 reviews

Delta

8.0

Very Good

7,913 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Porter Airlines

8.0

Very Good

280 reviews

Delta

8.0

Very Good

7,913 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very Good

7,913 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Transat

7.8

Good

385 reviews

Delta

8.0

Very Good

7,913 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,269 reviews

Delta

8.0

Very Good

7,913 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Las Vegas to London?
If you book a flight to London from Las Vegas, you will be flying from Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 10 flights from Harry Reid Intl to London per day from 3 different airlines.
What are the cheapest airlines flying from Las Vegas to London round-trip?
Flying on Delta is currently your cheapest option to London, with prices starting at £485. Additional return tickets that might be worth considering are offered by American Airlines and Air Canada, with the lowest prices starting at £486 and £488, respectively. Delta is priced at 18% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Las Vegas to London one-way?
The cheapet airlines for a one-way flight from Las Vegas to London are Air Canada (£282), Iberia (£290), and Lufthansa (£295).
What are the most popular routes from Las Vegas to London?
While some choose either Las Vegas Harry Reid Intl - London City or Las Vegas Harry Reid Intl - London Gatwick, Las Vegas Harry Reid Intl - London Heathrow is the most popular route from Las Vegas to London.
What are the most reliable airlines from Las Vegas to London?
Consider KLM (93%), Air France (86%) or Delta (86%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to London.
What are the cheapest flights from Las Vegas to London?
On average you can expect to pay £575 for a flight from Las Vegas to London. The cheapest flight overall is £232 while the most popular route, (Las Vegas Harry Reid Intl - London Heathrow) is currently priced at £450.
Can I find deals for flights from Las Vegas to London that include hotel bookings?
Yes. In addition to deals on Las Vegas to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Las Vegas to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to London.
Can I find deals for business class flights from Las Vegas to London?
Yes. Cheapflights offers flight deals from Las Vegas to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Las Vegas to London?
Currently, January is the cheapest month in which you can book a flight from Las Vegas to London (average of £112). Flying from Las Vegas to London in August is currently the most expensive (average of £164). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Hounslow

Deal

Milton Keynes

Luton

Gatwick

Croydon

Slough

Eastbourne

Wembley

Crawley

Hayes

Southend-on-Sea

Maidstone

Ilford

Winchester

Ipswich

Southall

Folkestone

Dartford

Watford

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Las Vegas to London

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£502	Average£783	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	Cheapest£521	Average£712	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
KLM	Cheapest£713	Average£787	FlexibilityNo cancel fee	On-time75%	Search KLM flights

Fly with Cheapflights

How does Cheapflights help users find flights from Las Vegas to London?

Deals for Las Vegas to London flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Las Vegas to London?

Cheapflights simply makes it quick and affordable to book flights from Las Vegas to London by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Las Vegas to London with no change fees?

Certainly. Search results for flights to London from Las Vegas shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Las Vegas to London become cheaper?

Of course! You can now track prices for flights from Las Vegas to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Las Vegas to London from £173

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London are usually found in January or February, booked 15 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from Las Vegas to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Las Vegas to London

Cheapest flights from Las Vegas to LondonExplore the most affordable flight options available from Las Vegas to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2025.

Explore the most affordable flight options available from Las Vegas to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Las Vegas to London that are best for you.

Best time to book a flight from Las Vegas to London

Have a flexible travel schedule? Discover the best time to fly to London from Las Vegas with our price prediction graph.

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How far ahead should I book a flight from Las Vegas to London?

Use this chart to determine the optimal time to book a return flight from Las Vegas to London. Price data was last updated on 4 April 2025.

What is the cheapest month to book a flight from Las Vegas to London?

What is the cheapest time of day to fly from LAS to LON?

Find hourly flight availability from Las Vegas to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 April 2025.

What is the cheapest day to fly from Las Vegas to London?

Use this chart to determine the cheapest time to fly return from Las Vegas to London. Price data was last updated on 26 May 2024.

Weekly flight availability from Las Vegas to London

Explore weekly flight availability from Las Vegas to London. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 April 2025.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 12 April 2025.

To help decide which airline to fly from Las Vegas to London, see what other customers have to say about Delta, Porter Airlines and KLM. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Las Vegas to London?

What are the cheapest airlines flying from Las Vegas to London round-trip?

What are the cheapest airlines to fly from Las Vegas to London one-way?

What are the most popular routes from Las Vegas to London?

What are the most reliable airlines from Las Vegas to London?

What are the cheapest flights from Las Vegas to London?

Can I find deals for flights from Las Vegas to London that include hotel bookings?

How can I find direct flights from Las Vegas to London?

Can I find deals for business class flights from Las Vegas to London?

What is the cheapest month to book a flight from Las Vegas to London?

Travelling to a place near Las Vegas?

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Alternative routes for Las Vegas to London

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Top 3 airlines flying from Las Vegas to London

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Cheapest flights from Las Vegas to London
Explore the most affordable flight options available from Las Vegas to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 April 2025.