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Cheap flights from Las Vegas to London Heathrow Airport from £204

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LHR
26 Feb — 5 Mar1
1 adult

The best prices from Las Vegas Harry Reid Intl to London Heathrow are usually found in January or March, booked 67 days in advance, depart on a Sunday or Saturday and return on a Tuesday

Cheap flight deals from Las Vegas to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 21 February 2025.

Round-trip from

£497

One-way from

£204

Popular in

June

Cheapest in

January

Average price

£600

Good round-trip deal

£543 or less

Good one-way deal

£405 or less
Air Canada
  • Air Canada
  • 2/4-30/4
  • 4 total stops
  • 40h 50m total
  • Las Vegas to London
5/3
  • 5/3
  • 1 total stop
  • 33h 40m total
  • Las Vegas to London
Highest demand for flights based on searches. 21% potential increase in price (£153 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£21 potential savings vs. average return price).
Average for round-trip flights in February 2025
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London Heathrow.
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London Heathrow.

Find flight deals from Las Vegas to Heathrow

Cheapest flights from Las Vegas to Heathrow
Explore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Wed 2/407:25LAS - LHR
2 stops20h 25mAir Canada
Wed 30/409:30LHR - LAS
2 stops20h 25mAir Canada
Deal found 20/2£497
Tue 11/308:10LAS - LHR
1 stop16h 00mMultiple Airlines
Tue 25/307:30LHR - LAS
1 stop15h 05mMultiple Airlines
Deal found 21/2£501
Wed 24/917:10LAS - LHR
1 stop13h 25mBritish Airways
Thu 9/1017:15LHR - LAS
Nonstop10h 40mBritish Airways
Deal found 20/2£509
Wed 12/314:07LAS - LHR
1 stop13h 43mUnited Airlines
Wed 26/315:00LHR - LAS
2 stops34h 56mUnited Airlines
Deal found 20/2£517
Tue 22/409:35LAS - LHR
1 stop19h 35mDelta
Wed 7/506:30LHR - LAS
1 stop14h 55mDelta
Deal found 20/2£518
Wed 2/414:02LAS - LHR
1 stop14h 13mFinnair
Thu 10/410:30LHR - LAS
1 stop15h 11mFinnair
Deal found 19/2£530
Mon 17/312:40LAS - LHR
2 stops22h 50mScandinavian Airlines
Wed 2/407:05LHR - LAS
2 stops22h 49mScandinavian Airlines
Deal found 21/2£532
Mon 21/417:18LAS - LHR
1 stop13h 07mAmerican Airlines
Thu 1/512:00LHR - LAS
1 stop14h 50mAmerican Airlines
Deal found 21/2£538
Tue 18/310:39LAS - LHR
2 stops21h 06mLufthansa
Wed 2/406:30LHR - LAS
2 stops19h 36mLufthansa
Deal found 19/2£543
Thu 6/313:14LAS - LHR
1 stop13h 56mVirgin Atlantic
Thu 13/306:30LHR - LAS
1 stop15h 40mVirgin Atlantic
Deal found 20/2£551
Tue 14/1015:55LAS - LHR
2 stops19h 25mSWISS
Mon 27/1020:05LHR - LAS
2 stops31h 38mSWISS
Deal found 21/2£553
Sun 23/223:39LAS - LHR
1 stop22h 16mJetBlue
Tue 11/307:25LHR - LAS
1 stop24h 07mJetBlue
Deal found 20/2£575

Find flights from Las Vegas to Heathrow within your budget

Customise your flight search to find flights from Las Vegas to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.

Fly from

Las Vegas

Fly to

Heathrow

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/4

07:25-11:50

2 stops20h 25m

London Heathrow

Wed 30/4

09:30-21:55

2 stops20h 25m

£497

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 22/4

07:25-10:00

2 stops18h 35m

London Heathrow

Wed 7/5

06:30-16:00

2 stops17h 30m

£505

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 26/3

11:19-06:50

1 stop12h 31m

London Heathrow

Wed 9/4

12:15-15:10

Nonstop10h 55m

£513

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 10/3

21:45-14:40

Nonstop9h 55m

London Heathrow

Wed 7/5

06:30-13:25

1 stop14h 55m

£515

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 10/3

00:59-07:30

1 stop23h 31m

London Heathrow

Tue 18/3

07:30-15:35

1 stop15h 05m

£517

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 22/4

09:35-13:10

1 stop19h 35m

London Heathrow

Wed 7/5

06:30-13:25

1 stop14h 55m

£518

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/4

14:02-12:15

1 stop14h 13m

London Heathrow

Thu 10/4

10:30-17:41

1 stop15h 11m

£530

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 21/4

17:18-14:25

1 stop13h 07m

London Heathrow

Tue 6/5

11:15-19:12

1 stop15h 57m

£538

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/4

07:25-16:25

2 stops25h 00m

London Heathrow

Wed 30/4

07:05-21:55

3 stops22h 50m

£541

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 18/3

10:39-14:45

2 stops21h 06m

London Heathrow

Wed 2/4

06:30-18:06

2 stops19h 36m

£543

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 30 results
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Best time to book a flight from Las Vegas to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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.

Travel insights for flights from Las Vegas to Heathrow

Get recent, data-driven insights about flights from Las Vegas to Heathrow including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from Las Vegas to Heathrow. Price data was last updated on 14 February 2025.

To ensure you get the cheapest price possible for a flight from Las Vegas to London Heathrow Airport, you should look to book at least 67 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of £112). Flying from Las Vegas to London Heathrow Airport in August is currently the most expensive (average of £163). 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 LHR?

Find hourly flight availability from Las Vegas to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 February 2025.

When flying from Las Vegas to London Heathrow Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 39% versus a flight at midday.

Weekly flight availability from Las Vegas to London Heathrow Airport

Explore weekly flight availability from Las Vegas to Heathrow. 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 21 February 2025.

The most flights from LAS to LHR are scheduled on a Wednesday (14 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport 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 Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 21 February 2025.
See what other customers who have flown with Delta, KLM and Finnair from Las Vegas to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

8.0
Very Good

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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.

Crew

8.5

Comfort

8.0

Entertainment

7.9

Overall

8.0

Boarding

8.2

Food

7.3

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

Find useful and relevant information for your journey from Las Vegas to Heathrow. 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 Heathrow?

    Las Vegas Harry Reid Intl (LAS) is the airport you will fly out of if you book a flight from Las Vegas to London Heathrow. You should not have trouble finding flights to London Heathrow from Harry Reid Intl; the airport handles an average of 11 outbound flights to London Heathrow per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Las Vegas airport to London Heathrow. It is only a 6.2 mi journey to Harry Reid Intl (LAS) from Las Vegas’s city center.

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

    Our cheapest airline available from Las Vegas to London Heathrow Airport is Air Canada. Our recent data shows that you can find tickets from as low as £497 on this airline. Additional options worth looking into are British Airways and Virgin Atlantic, starting at £513 and £515 round-trip. You may be able to fly from Las Vegas to London Heathrow Airport for 30% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £213. JetBlue flights start at £257 while deals on British Airways start at £315 one-way.

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

    Consider KLM (90%), Air France (90%) or Delta (90%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to London Heathrow Airport.

  • What are the cheapest flights from Las Vegas to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for £350. While the most popular route (Las Vegas Harry Reid Intl - London Heathrow) can be booked for £509 on average our data indicates £533 when flying from Las Vegas to London Heathrow Airport.

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

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

  • How can I find direct flights from Las Vegas to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of £112). Flying from Las Vegas to London Heathrow Airport in August is currently the most expensive (average of £163). 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

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Alternative routes for Las Vegas to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Las Vegas to Heathrow

Discover the top 2 airlines that operate flights from Las Vegas to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£501Average£682FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£519Average£810FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from Las Vegas to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights simply makes it quick and affordable to book flights from Las Vegas to Heathrow 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 Heathrow with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Las Vegas to Heathrow, users can toggle the no change fees filter when performing a flight search.

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

Yes, Cheapflights offers price alerts on Las Vegas to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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