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Cheap flights from London Heathrow Airport to Las Vegas from £251

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 29/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
25 Mar — 1 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in February or January, booked 53 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

Cheap flight deals from Heathrow to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Las Vegas (LAS). 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 20 March 2025.

Round-trip from

£495

One-way from

£251

Popular in

August

Cheapest in

February

Average price

£613

Good round-trip deal

£660 or less

Good one-way deal

£819 or less
1/5-6/5
  • 1/5-6/5
  • 2 total stops
  • 39h 06m total
  • London to Las Vegas
29/4
  • 29/4
  • 2 total stops
  • 32h 20m total
  • London to Las Vegas
Highest demand for flights based on searches. 10% potential increase in price (£64 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in March 2025
Price to beat on a round-trip flight from London Heathrow to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from London Heathrow to Las Vegas Harry Reid Intl.

Find flight deals from Heathrow to Las Vegas

Cheapest flights from Heathrow to Las Vegas
Explore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 March 2025.

Thu 1/509:55LHR - LAS
1 stop19h 16mMultiple Airlines
Mon 5/520:45LAS - LHR
1 stop33h 50mMultiple Airlines
Deal found 20/3£495
Fri 25/411:25LHR - LAS
2 stops38h 36mUnited Airlines
Wed 21/513:39LAS - LHR
1 stop33h 46mUnited Airlines
Deal found 20/3£505
Thu 8/514:10LHR - LAS
1 stop17h 45mAir Canada
Sun 18/511:30LAS - LHR
1 stop14h 30mAir Canada
Deal found 20/3£531
Mon 5/506:30LHR - LAS
2 stops23h 42mLufthansa
Sat 10/518:20LAS - LHR
2 stops33h 25mLufthansa
Deal found 20/3£541
Mon 22/910:20LHR - LAS
2 stops18h 34mFinnair
Fri 26/911:30LAS - LHR
1 stop15h 35mFinnair
Deal found 19/3£542
Fri 25/408:40LHR - LAS
1 stop16h 10mSWISS
Tue 29/413:40LAS - LHR
2 stops34h 15mSWISS
Deal found 20/3£557
Tue 29/419:10LHR - LAS
2 stops33h 48mIberia
Sun 18/514:30LAS - LHR
1 stop17h 35mIberia
Deal found 20/3£560
Wed 30/414:25LHR - LAS
1 stop14h 33mBritish Airways
Wed 7/509:49LAS - LHR
1 stop13h 31mBritish Airways
Deal found 19/3£567
Wed 30/407:45LHR - LAS
2 stops18h 22mBrussels Airlines
Wed 7/510:59LAS - LHR
1 stop13h 21mBrussels Airlines
Deal found 19/3£572
Wed 26/316:00LHR - LAS
Nonstop10h 50mKLM
Wed 2/421:10LAS - LHR
Nonstop9h 55mKLM
Deal found 19/3£573
Fri 28/316:00LHR - LAS
Nonstop10h 50mVirgin Atlantic
Tue 1/421:10LAS - LHR
Nonstop9h 55mVirgin Atlantic
Deal found 19/3£593
Wed 26/311:15LHR - LAS
1 stop14h 30mAmerican Airlines
Wed 2/417:05LAS - LHR
Nonstop10h 10mAmerican Airlines
Deal found 19/3£597

Cheapflights Fare Finder

Customise your flight search to find flights from Heathrow to Las Vegas 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 20 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

Fly from

Heathrow

Fly to

Las Vegas

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 1/5

09:55-21:11

1 stop19h 16m

Las Vegas Harry Reid Intl

Mon 5/5

20:45-14:35

1 stop33h 50m

£495

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 25/4

11:25-18:01

2 stops38h 36m

Las Vegas Harry Reid Intl

Wed 21/5

13:39-07:25

1 stop33h 46m

£505

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 8/5

14:10-23:55

1 stop17h 45m

Las Vegas Harry Reid Intl

Sun 18/5

11:30-10:00

1 stop14h 30m

£531

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 5/5

06:30-22:12

2 stops23h 42m

Las Vegas Harry Reid Intl

Sat 10/5

18:20-11:45

2 stops33h 25m

£541

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 23/4

14:45-21:43

1 stop14h 58m

Las Vegas Harry Reid Intl

Sun 4/5

06:00-06:25

1 stop16h 25m

£547

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 25/4

08:40-16:50

1 stop16h 10m

Las Vegas Harry Reid Intl

Tue 29/4

13:40-07:55

2 stops34h 15m

£557

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 29/4

19:10-20:58

2 stops33h 48m

Las Vegas Harry Reid Intl

Sun 18/5

14:30-16:05

1 stop17h 35m

£560

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 30/4

14:25-20:58

1 stop14h 33m

Las Vegas Harry Reid Intl

Wed 7/5

09:49-07:20

1 stop13h 31m

£567

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 30/4

07:45-18:07

2 stops18h 22m

Las Vegas Harry Reid Intl

Wed 7/5

10:59-08:20

1 stop13h 21m

£572

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 6/5

16:35-19:20

Nonstop10h 45m

Las Vegas Harry Reid Intl

Mon 19/5

07:09-06:25

1 stop15h 16m

£600

Flights are sorted by cheapest return flights first.

Deals found on 19/3

Showing 1-10 of 14 results
1
2

Best time to book a flight from Heathrow to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Heathrow 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 London Heathrow Airport to Las Vegas

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

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

The best time to book flights from London Heathrow Airport to Las Vegas is 10 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £689). Flying from London Heathrow Airport to Las Vegas in July is currently the most expensive (average of £1,020). 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 LHR to LAS?

Find hourly flight availability from Heathrow to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 March 2025.

When flying from London Heathrow Airport to Las Vegas, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 9% versus a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Las Vegas. Price data was last updated on 16 March 2025.

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

Weekly flight availability from London Heathrow Airport to Las Vegas

Explore weekly flight availability from Heathrow to Las Vegas. 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 20 March 2025.

The most flights from LHR to LAS are scheduled on a Monday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Las Vegas by month

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

In terms of precipitation, rainfall in Las Vegas ranges from 3.0 - 20.0 inches per month. February is typically the wettest month, when rainfall can reach 20.0 mm. May is typically the driest time to visit Las Vegas when rainfall is around 3.0 mm.

Temperature in Las Vegas by month

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

If weather is an important factor for your trip to Las Vegas, 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 34.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. 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 Las Vegas. Reviews last updated 20 March 2025.
See what other customers who have flown with Delta, Finnair and Austrian Airlines from London to Las Vegas 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

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very Good

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Crew

8.5

Overall

8.0

Comfort

8.0

Boarding

8.2

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Heathrow to Las Vegas flights?

    When you’re flying to Las Vegas from Heathrow you’ll find your flight always travelling from the main airport in Heathrow, London Heathrow Airport (LHR.) This airport is also one of the most popular airports in all of the UK, seeing flights arrive and depart from all around the world. It’s also extremely popular with some of the world’s leading airlines. Las Vegas is gifted with six airports, but you will commonly find that when your flight reaches Las Vegas that it will typically reach the main airport of Las Vegas, also known as McCarran International Airport (LAS). Similarly, with this airport, it is extremely popular with some of the leading airlines that you can travel with, and also sees flights arrive and depart from all around the world. The average flight time from Heathrow to Las Vegas is around 10h 40min.

  • Which airlines fly directly from Heathrow to Las Vegas?

    Direct flights to Las Vegas from Heathrow are easy to find and run frequently. When flying directly from Heathrow to Vegas you will find that the approximate flight duration is 10h 40min but this can slightly differ depending on which airlines that you’re travelling with. Your flight from London Heathrow Airport (LHR) will most likely always reach McCarran International Airport (LAS) and can be done some from some of the world’s leading airlines. Popular airlines include Iberia, United Airlines, Virgin Atlantic, British Airways, Air France, Finnair, and more. If you are looking for a flight that requires a stopover you will find that these same airlines will most likely run your connecting flight route.

  • What are the stopover options between Heathrow to Las Vegas?

    Connecting flights that require stopovers to Las Vegas from Heathrow run frequently and are easy to find. These types of flights are usually also a cheap form of travel between Las Vegas and Heathrow. You can filter your flight search for either one or two stopovers. The airline that you choose to travel to will impact what stopover your flight will have. Stopover flights are easy and let you experience a variety of great locations. Popular stopover locations include Los Angeles Airport (LAX), Chicago O’Hare International Airport (ORD), Denver International Airport (DEN), San Francisco Airport (SFO), and more.

  • Do I need a passport or visa to fly from Heathrow to Las Vegas?

    When travelling to Las Vegas from Heathrow you will need both a valid passport and an ESTA visa. Your passport must be valid for the time of your travel and have a valid six months of duration left on your passport. You can expect that an ESTA visa will cost you around $14 (£9.90) and can easily be booked before you’re due to travel.

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

    Located just 6.2 mi from the city center, Las Vegas Harry Reid Intl is the airport most travelers will use when flying to Las Vegas from London Heathrow. Booking flights from London Heathrow to Harry Reid Intl (LAS) should be relatively easy as there are 11 daily inbound flights from London Heathrow from 17 different airlines.

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

    According to our current data, United Airlines (£505), Lufthansa (£527), and Air Canada (£531) offers the cheapest pricing from London Heathrow Airport to Las Vegas. United Airlines is priced at 27% lower than the current average price of a flight leaving 3 months from now.

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

    £374 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aer Lingus and British Airways, with prices starting from £524 and £586, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Las Vegas on time: KLM (88%), Air France (88%), Delta (88%).

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

    Looking at all options, your cheapest flight can be booked for £573. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for £350 on average our data indicates £1,854 when flying from London Heathrow Airport to Las Vegas.

  • Where are the most common stopover locations when flying from London Heathrow Airport to Las Vegas?

  • What are some popular things to do or see while on a stopover in Los Angeles?

    Most Los Angeles visitors opt to spend their time experiencing Hollywood Walk of Fame, Hollywood Boulevard, and Grand Central Market. Travelers on a layover in Los Angeles can visit Hollywood Walk of Fame, Hollywood Boulevard, and Grand Central Market, by traveling 11.7 mi, 11.8 mi, and 11.9 mi, respectively after landing at Los Angeles. Travellers can book a car hire at Los Angeles for about £38 per day to make their sightseeing more efficient.

  • Where are the least popular stopover locations for London Heathrow Airport to Las Vegas flights?

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £689). Flying from London Heathrow Airport to Las Vegas in July is currently the most expensive (average of £1,020). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Kingman
Henderson
Primm
Paradise

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Fly from Heathrow to Las Vegas on these airlines

Choose from the following airlines for your flight from Heathrow to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 20 March 2025.

Top 10 airlines flying from Heathrow to Las Vegas

Discover the top 10 airlines that operate flights from Heathrow to Las Vegas. 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 20 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£295Average£412FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
WestJetCheapest£408Average£469FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapest£465Average£678FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£488Average£665FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£490Average£616FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£495Average£622FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£500Average£654FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Aer LingusCheapest£508Average£572FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
FinnairCheapest£508Average£619FlexibilityNo cancel feeOn-time76%
Search Finnair flights
JetBlueCheapest£514Average£681FlexibilityNo cancel feeOn-time62%
Search JetBlue flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Las Vegas. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Las Vegas for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Las Vegas with no change fees.

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

Yes! Start tracking prices for Heathrow to Las Vegas flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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