Cheap flights from London Heathrow Airport to Las Vegas from £424

LHR — LAS
7 Dec — 14 Dec1
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 21 days in advance, depart on a Thursday or Tuesday 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

Fri 4/1214:45 -
1 stop16h 09m
Thu 10/1209:34 -
1 stop18h 46m
Deal found 2/11£461
Thu 12/1114:45 -
1 stop15h 52m
Sun 15/1107:20 -
1 stop21h 00m
Deal found 3/11£461
Fri 4/1214:45 -
1 stop14h 48m
Fri 25/1213:48 -
1 stop14h 32m
Deal found 5/11£464
Tue 24/1114:45 -
1 stop17h 12m
Tue 1/1206:00 -
1 stop22h 20m
Deal found 6/11£464
Sat 5/1214:45 -
1 stop15h 18m
Thu 10/1214:03 -
1 stop14h 17m
Deal found 3/11£465
Mon 16/1114:45 -
1 stop14h 45m
Mon 23/1120:54 -
1 stop31h 26m
Deal found 3/11£466
Tue 17/1114:45 -
1 stop14h 45m
Tue 24/1107:00 -
1 stop21h 20m
Deal found 5/11£467
Wed 11/1114:45 -
1 stop14h 45m
Sun 15/1107:20 -
1 stop21h 00m
Deal found 4/11£468
Sun 22/1114:45 -
1 stop14h 15m
Wed 17/208:00 -
1 stop20h 20m
Deal found 4/11£469
Fri 20/1114:45 -
1 stop14h 15m
Sat 16/113:44 -
1 stop14h 36m
Deal found 3/11£470
Sat 21/1114:45 -
1 stop14h 15m
Thu 11/212:00 -
1 stop16h 20m
Deal found 4/11£470
Fri 4/1214:45 -
1 stop27h 05m
Tue 8/1208:30 -
1 stop19h 50m
Deal found 5/11£472

Find flight deals from Heathrow to Las Vegas

Round-trip from

£456

One-way from

£424

Popular in

May

Cheapest in

January

Average price

£604

Good round-trip deal

£623 or less

Good one-way deal

£512 or less
Alaska Airlines
  • Alaska Airlines
  • 5/2-12/2
  • 2 total stops
  • 50h 09m total
  • London to Las Vegas
27/2-31/12
  • 27/2-31/12
  • 2 total stops
  • 19h 09m total
  • London to Las Vegas
Highest demand for flights based on searches. 8% potential increase in price (£47 potential increase over avg. return price).
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in November 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

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Mon 16/11

18:30-15:50

3 stops53h 20m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£468

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Wed 13/1

14:45-21:00

1 stop14h 15m

Las Vegas Harry Reid Intl

Wed 20/1

12:01-12:20

1 stop16h 19m

£488
Fastest return journey

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Sun 24/1

16:05-18:50

Nonstop10h 45m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£513

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Thu 12/11

19:55-21:44

3 stops33h 49m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£541

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Wed 16/12

10:25-18:32

1 stop16h 07m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-09:00

Nonstop0h 00m

£561

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Wed 2/12

09:00-20:39

2 stops19h 39m

Las Vegas Harry Reid Intl

Mon 7/12

08:00-09:40

2 stops17h 40m

£588

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Sun 31/1

10:20-20:09

2 stops17h 49m

Las Vegas Harry Reid Intl

Wed 3/2

14:00-21:40

2 stops23h 40m

£588

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Sun 24/1

06:40-23:37

2 stops24h 57m

Las Vegas Harry Reid Intl

Sun 14/2

13:57-21:40

2 stops23h 43m

£590

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Mon 11/1

06:40-23:37

2 stops24h 57m

Las Vegas Harry Reid Intl

Sat 16/1

10:15-18:30

2 stops24h 15m

£591

LondonLas Vegas

LHR London Heathrow - LAS Las Vegas Harry Reid Intl

LHRLAS

London Heathrow

Tue 26/1

06:40-21:58

2 stops23h 18m

Las Vegas Harry Reid Intl

Tue 2/2

07:07-16:25

3 stops25h 18m

£593

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 22 resultsSorted by cheapest first
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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

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?

The best time to book flights from London Heathrow Airport to Las Vegas is 20 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 £547). Flying from London Heathrow Airport to Las Vegas in May is currently the most expensive (average of £747). 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?

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?

Airfare is below average for this route at the moment.

London Heathrow Airport to Las Vegas flights typically cost between £508 and £721 in February.
The cheapest return price found within the last 5 days was £456 on Alaska Airlines (5 Feb–12 Feb).

Reviews of airlines servicing Las Vegas

Check out reviews from past customers who have flown with KLM,Air France, 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.

Food

7.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Food

7.4

Boarding

7.8

Entertainment

7.2

Overall

7.8

Crew

8.4

Comfort

7.7

Reviews

1 / 20
8.0
Excellent

Kushal,Sept 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

  • 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 14 different airlines.

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

    For as low as £488, Alaska Airlines can have you in Las Vegas from London Heathrow Airport in 14h 15m. 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 (£224), Aer Lingus (£360), and Lufthansa (£411) offers the cheapest pricing from London Heathrow Airport to Las Vegas. Air Canada is priced at 66% 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?

    £264 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 British Airways, with prices starting from £319 and £368, 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 (82%), Air France (78%), Delta (78%).

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

    Looking at all options, your cheapest flight can be booked for £441. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for £476 on average, our data indicates £1,554 when flying from London Heathrow Airport to Las Vegas.

  • 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 £547). Flying from London Heathrow Airport to Las Vegas in May is currently the most expensive (average of £747). 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
Paradise
Furnace Creek
Henderson

Browse thousands of different options on Cheapflights for your next trip

Fly from Heathrow to Las Vegas on these airlines

Top 10 airlines flying from Heathrow to Las Vegas

AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£224Average£493FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Aer LingusCheapest£360Average£774FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£411Average£555FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£424Average£631FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Alaska AirlinesCheapest£426Average£513FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Virgin AtlanticCheapest£434Average£635FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapest£438Average£573FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£439Average£616FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest£457Average£702FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air FranceCheapest£466Average£697FlexibilityNo cancel feeOn-time77%
Search Air France flights

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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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