Cheap flights from London Heathrow Airport to Las Vegas from £312

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
28 Feb — 7 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in January or February, booked 67 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Cheap flight deals from Heathrow to Las Vegas

Enter your travel dates to find the best prices.

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 29 January 2026.

Mon 11/508:40
LHR
-
LAS
2 stops20h 21m
SWISS
Tue 26/510:46
LAS
-
LHR
1 stop15h 24m
SWISS
Deal found 27/1£426
Fri 6/214:30
LHR
-
LAS
1 stop33h 29m
Air Canada
Sat 14/216:45
LAS
-
LHR
1 stop35h 05m
Air Canada
Deal found 27/1£426
Fri 6/214:30
LHR
-
LAS
1 stop15h 57m
Air Canada
Wed 11/210:44
LAS
-
LHR
2 stops17h 06m
Air Canada
Deal found 27/1£427
Tue 17/210:25
LHR
-
LAS
1 stop15h 29m
Multiple Airlines
Sat 28/208:41
LAS
-
LHR
1 stop13h 59m
Multiple Airlines
Deal found 28/1£428
Tue 28/412:00
LHR
-
LAS
1 stop13h 30m
British Airways
Wed 6/511:51
LAS
-
LHR
1 stop19h 34m
British Airways
Deal found 27/1£428
Tue 10/314:30
LHR
-
LAS
1 stop14h 57m
Air Canada
Sun 15/312:30
LAS
-
LHR
1 stop35h 40m
Air Canada
Deal found 27/1£429
Sun 15/213:45
LHR
-
LAS
2 stops18h 10m
United Airlines
Sat 21/207:45
LAS
-
LHR
1 stop15h 40m
United Airlines
Deal found 26/1£430
Thu 26/212:05
LHR
-
LAS
1 stop16h 18m
United Airlines
Mon 2/310:52
LAS
-
LHR
1 stop13h 03m
United Airlines
Deal found 27/1£431
Wed 11/213:25
LHR
-
LAS
2 stops34h 34m
Air Canada
Tue 17/209:00
LAS
-
LHR
1 stop14h 10m
Air Canada
Deal found 27/1£431
Mon 6/407:30
LHR
-
LAS
2 stops17h 53m
United Airlines
Thu 16/406:00
LAS
-
LHR
1 stop21h 35m
United Airlines
Deal found 27/1£432
Fri 6/214:30
LHR
-
LAS
1 stop15h 57m
Multiple Airlines
Wed 11/206:00
LAS
-
LHR
2 stops16h 30m
Multiple Airlines
Deal found 27/1£433
Tue 14/406:00
LHR
-
LAS
2 stops20h 27m
SWISS
Wed 13/521:10
LAS
-
LHR
2 stops16h 35m
SWISS
Deal found 26/1£434

Find 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 29 January 2026.

Round-trip from

£426

One-way from

£312

Popular in

August

Cheapest in

January

Average price

£550

Good round-trip deal

£456 or less

Good one-way deal

£534 or less
SWISS
  • SWISS
  • 11/5-26/5
  • 3 total stops
  • 35h 45m total
  • London to Las Vegas
8/4
  • 8/4
  • 2 total stops
  • 33h 32m total
  • London to Las Vegas
Highest demand for flights based on searches. 8% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in January 2026
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.

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 29 January 2026.
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

Sun 15/2

13:45-23:55

2 stops18h 10m

Las Vegas Harry Reid Intl

Sat 21/2

13:42-13:30

2 stops15h 48m

£430

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 14/4

06:00-18:27

2 stops20h 27m

Las Vegas Harry Reid Intl

Wed 13/5

21:10-21:45

2 stops16h 35m

£434

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 11/2

06:30-17:24

2 stops18h 54m

Las Vegas Harry Reid Intl

Wed 25/2

06:00-08:45

1 stop18h 45m

£439

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 3/3

16:00-18:50

Nonstop10h 50m

Las Vegas Harry Reid Intl

Mon 30/3

06:08-10:15

1 stop20h 07m

£445

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 11/2

16:00-18:50

Nonstop10h 50m

Las Vegas Harry Reid Intl

Wed 1/4

22:00-15:55

Nonstop9h 55m

£449

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 3/3

08:55-18:56

1 stop18h 01m

Las Vegas Harry Reid Intl

Tue 31/3

13:20-11:00

1 stop13h 40m

£449

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 2/3

16:35-00:30

1 stop15h 55m

Las Vegas Harry Reid Intl

Sun 29/3

23:35-08:50

1 stop25h 15m

£449

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 11/2

13:00-20:37

1 stop15h 37m

Las Vegas Harry Reid Intl

Mon 2/3

09:35-07:05

1 stop13h 30m

£451

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 2/3

16:35-00:30

1 stop15h 55m

Las Vegas Harry Reid Intl

Wed 1/4

22:00-15:55

Nonstop9h 55m

£457

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 10/3

16:00-19:50

Nonstop10h 50m

Las Vegas Harry Reid Intl

Mon 16/3

21:45-14:40

Nonstop9h 55m

£472

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 24 results
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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 23 January 2026.

The best time to book flights from London Heathrow Airport to Las Vegas is 67 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, December is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £426). Flying from London Heathrow Airport to Las Vegas in August is currently the most expensive (average of £508). 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 29 January 2026.

When flying from London Heathrow Airport to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from London Heathrow Airport to Las Vegas?

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 29 January 2026.
Check out reviews from past customers who have flown with KLM, Finnair, andVirgin Atlantic from London Heathrow Airport to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

Comfort

7.6

Entertainment

7.1

Overall

7.7

Boarding

7.8

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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 9 daily inbound flights from London Heathrow from 16 different airlines.

  • How long is the flight from London Heathrow Airport to Las Vegas?

    For as low as £430, United Airlines can have you in Las Vegas from London Heathrow Airport in 18h 10m. Airlines will cover a distance of 5213 mi. Both multi-stop and direct flights can be found to your destination and back.

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

    According to our current data, Air Canada (£343), Aer Lingus (£355), and Lufthansa (£409) offers the cheapest pricing from London Heathrow Airport to Las Vegas. Air Canada is priced at 45% 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?

    £293 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on JetBlue and Virgin Atlantic, with prices starting from £310 and £401, 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: Aer Lingus (83%), British Airways (83%), American Airlines (78%).

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

    Looking at all options, your cheapest flight can be booked for £392. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for £315 on average, our data indicates £1,273 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 Chicago?

    Most Chicago visitors opt to spend their time experiencing Grant Park, Magnificent Mile, and River North. Travelers on a layover in Chicago can visit Grant Park, Magnificent Mile, and River North, by traveling 16.2 mi, 15.5 mi, and 15.0 mi, respectively after landing at Chicago O'Hare Intl. Travellers can book a car hire at Chicago O'Hare Intl for about £37 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, December is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of £426). Flying from London Heathrow Airport to Las Vegas in August is currently the most expensive (average of £508). 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
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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 29 January 2026.

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 29 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£343Average£542FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Aer LingusCheapest£355Average£732FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£409Average£608FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£420Average£500FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£425Average£566FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£426Average£688FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£433Average£505FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£438Average£551FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£462Average£630FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
American AirlinesCheapest£469Average£627FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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