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Cheap flights from London to Las Vegas from £324

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAS
26 Apr — 3 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Las Vegas Harry Reid Intl are usually found in January or February, booked 58 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

Cheap flight deals from London to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from London to Las Vegas
Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 March 2026.

Sat 18/414:10
LHR
-
LAS
2 stops38h 28m
Lufthansa
Mon 20/409:00
LAS
-
LHR
1 stop13h 45m
Lufthansa
Deal found 22/3£494
Fri 1/516:15
LHR
-
LAS
2 stops57h 44m
Lufthansa
Mon 4/507:15
LAS
-
LHR
1 stop19h 55m
Lufthansa
Deal found 22/3£497
Thu 9/710:00
LHR
-
LAS
1 stop37h 37m
United Airlines
Sat 11/714:15
LAS
-
LHR
1 stop35h 55m
United Airlines
Deal found 23/3£502
Mon 1/610:05
LGW
-
LAS
1 stop19h 41m
Multiple Airlines
Sun 16/808:06
LAS
-
LGW
1 stop18h 49m
Multiple Airlines
Deal found 24/3£509
Tue 2/614:00
LGW
-
LAS
2 stops30h 53m
Multiple Airlines
Mon 17/808:06
LAS
-
LGW
1 stop18h 49m
Multiple Airlines
Deal found 24/3£510
Thu 4/610:20
LGW
-
LAS
1 stop19h 26m
Multiple Airlines
Sun 16/808:06
LAS
-
LGW
1 stop18h 49m
Multiple Airlines
Deal found 24/3£511
Sat 6/610:05
LGW
-
LAS
1 stop19h 41m
Multiple Airlines
Tue 14/700:09
LAS
-
LGW
2 stops25h 51m
Multiple Airlines
Deal found 24/3£512
Thu 16/414:10
LHR
-
LAS
1 stop15h 23m
WestJet
Wed 22/411:20
LAS
-
LHR
1 stop16h 45m
WestJet
Deal found 26/3£513
Sun 7/610:20
LGW
-
LAS
1 stop16h 52m
Multiple Airlines
Sun 16/808:06
LAS
-
LGW
1 stop18h 49m
Multiple Airlines
Deal found 24/3£515
Tue 21/406:30
STN
-
LAS
1 stop19h 00m
Multiple Airlines
Tue 28/419:15
LAS
-
STN
1 stop16h 20m
Multiple Airlines
Deal found 25/3£515
Tue 21/409:40
LGW
-
LAS
1 stop15h 50m
Multiple Airlines
Tue 28/419:15
LAS
-
LGW
1 stop18h 00m
Multiple Airlines
Deal found 25/3£515
Wed 10/610:50
LGW
-
LAS
1 stop18h 45m
Multiple Airlines
Thu 16/718:02
LAS
-
LGW
1 stop32h 53m
Multiple Airlines
Deal found 24/3£517

Find flight deals from London to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 27 March 2026.

Round-trip from

£494

One-way from

£324

Popular in

August

Cheapest in

January

Average price

£614

Good round-trip deal

£782 or less

Good one-way deal

£662 or less
Lufthansa
  • Lufthansa
  • 18/4-20/4
  • 3 total stops
  • 52h 13m total
  • London to Las Vegas
Search Deals
19/4
  • 19/4
  • 2 total stops
  • 23h 08m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from London (LON) to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 27 March 2026.
Use the filters below to find and compare flights from London to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonLas Vegas

LTN - LAS

LTNLAS

London Luton

Sat 18/4

18:15-23:59

3 stops37h 44m

Las Vegas Harry Reid Intl

Tue 21/4

08:05-14:40

2 stops22h 35m

£658

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Sun 10/5

10:20-17:50

1 stop15h 30m

Las Vegas Harry Reid Intl

Sun 17/5

20:20-18:50

1 stop14h 30m

£660

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 21/9

08:15-21:22

1 stop21h 07m

Las Vegas Harry Reid Intl

Wed 30/9

23:59-20:45

1 stop12h 46m

£670

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 2/5

06:40-23:06

3 stops24h 26m

Las Vegas Harry Reid Intl

Fri 8/5

23:59-09:35

2 stops25h 36m

£690

LondonLas Vegas

LTN - LAS

LTNLAS

London Luton

Thu 11/6

09:25-22:17

2 stops20h 52m

Las Vegas Harry Reid Intl

Mon 22/6

06:50-22:50

3 stops32h 00m

£697

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 12/5

07:05-21:03

3 stops21h 58m

Las Vegas Harry Reid Intl

Tue 13/10

09:10-18:30

2 stops25h 20m

£707

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 10/5

06:40-22:21

3 stops23h 41m

Las Vegas Harry Reid Intl

Sat 23/5

07:10-14:35

2 stops23h 25m

£720

LondonLas Vegas

LTN - LAS

LTNLAS

London Luton

Thu 21/5

21:40-10:45

3 stops45h 05m

Las Vegas Harry Reid Intl

Tue 26/5

12:45-22:50

2 stops26h 05m

£732

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 19/9

06:40-21:56

3 stops23h 16m

Las Vegas Harry Reid Intl

Sat 26/9

06:00-16:00

2 stops26h 00m

£735

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Mon 1/6

12:20-20:03

1 stop15h 43m

Las Vegas Harry Reid Intl

Sat 13/6

12:12-09:35

1 stop13h 23m

£744

Flights are sorted by cheapest return flights first.

Deals found on 23/3

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from London to Las Vegas

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

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

Use this chart to determine the optimal time to book a return flight from London to Las Vegas. Price data was last updated on 13 March 2026.

The price you pay for your flight from London to Las Vegas may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, July is the cheapest month in which you can book a flight from London to Las Vegas (average of £351). Flying from London to Las Vegas in August is currently the most expensive (average of £516). 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 LON to LAS?

Find hourly flight availability from London 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 27 March 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Las Vegas as you normally would.

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

What’s the top stopover airport for flights from London to Las Vegas?

Share of one-stop return flights from London to Las Vegas chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Denver (DEN) – chosen by Cheapflights users on 22% of one-stop itineraries from London to Las Vegas on Cheapflights.

What’s the cheapest stopover airport for flights from London to Las Vegas?

Average return fare for one-stop flights from London to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Zurich (ZRH) is the most affordable one-stop option, with an average return flight price of £371.

What’s the fastest stopover option from London to Las Vegas?

Shortest average travel time for one-stop one-way flights from London to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Denver (DEN) have the shortest average one-way travel time for one-stop routes: 13h 22m.

Which airport typically offers the quickest stopover for flights from London to Las Vegas?

Average stopover duration for one-stop one-way flights from London to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Charlotte (CLT) offer the fastest connection on this route, with an average stopover time of 1h 19m.

How often are flights from London to Las Vegas delayed?

About 15% of weekly flights between London and Las Vegas have experienced delays in the past year, with the average delay time being 125 minutes.

What is the most punctual flight time for London to Las Vegas flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Las Vegas flights?

Over the past year, Virgin Atlantic have had the lowest number of delays on this route, with just 11% of flights being delayed.

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 27 March 2026.
Get a feel of what it's like to fly with KLM,Finnair, andVirgin Atlantic from London to Las Vegas by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
KLM
7.8
Good
1,478 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Finnair
7.7
Good
1,374 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Virgin Atlantic
7.5
Good
685 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
Air France
7.4
Good
1,553 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas
British Airways
6.7
Okay
7,822 reviews
KLM
7.8
Good
1,478 reviews
Check prices

Comfort

7.6

Food

7.3

Crew

8.4

Boarding

7.8

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

EZE - SCL

It was a short trip The aeroplane was delay I arrived in Chile late and I lost my fly with Qantas

Related info for your journey

Find useful and relevant information for your journey from London 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 airport do you fly into for flights to Las Vegas from London?

    For a flight from London to Las Vegas, you will be flying into Harry Reid Intl. Las Vegas Harry Reid Intl (LAS) is just 6.2 mi from the center of the city. Harry Reid Intl is the only Las Vegas airport and it handles 4 inbound flights from London per day. 18 airlines have flights to Las Vegas Harry Reid Intl from London on a regular basis.

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

    Airlines like Condor, JetBlue, and Scandinavian Airlines fly from London to Las Vegas in about 15h 30m. The time it takes to get you to your destination can typically vary by up to 8h 56m. The distance between London and Las Vegas is about 5236 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from London to Las Vegas round-trip from £331. Other airlines that can offer you cheap pricing are Aer Lingus, from £367, and Air Canada, from £392. You may be able to fly from London to Las Vegas for 49% less than the average price by searching for these airlines.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £294. JetBlue flights start at £320 while deals on Air France start at £353 one-way.

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

    The most popular route from London to Las Vegas is London Heathrow - Las Vegas Harry Reid Intl. You may also consider London Gatwick - Las Vegas Harry Reid Intl or London City - Las Vegas Harry Reid Intl.

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

    The top 3 most reliable airlines when flying from London to Las Vegas are KLM (90%), Air France (90%) and Delta (90%).

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

    The cheapest flight price from London to Las Vegas is £484. On average you can expect to pay £1,088. The most popular route, (London Heathrow - Las Vegas Harry Reid Intl), can usually be booked for £479.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from London to Las Vegas (average of £351). Flying from London to Las Vegas in August is currently the most expensive (average of £516). 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
Furnace Creek
Henderson
Kingman

Browse thousands of different options on Cheapflights for your next trip

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Fly from London to Las Vegas on these airlines

Choose from the following airlines for your flight from London to Las Vegas. Flights are based on user searches made on Cheapflights and were last updated on 27 March 2026.
Virgin Atlantic flights from London to Las Vegas Harry Reid Intl
British Airways flights from London to Las Vegas Harry Reid Intl
Finnair flights from London to Las Vegas Harry Reid Intl

Top 10 airlines flying from London to Las Vegas

Discover the top 10 airlines that operate flights from London 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 27 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£331Average£619FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapest£367Average£787FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£392Average£558FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapest£411Average£494FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£419Average£625FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£434Average£558FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£436Average£579FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£440Average£705FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£447Average£586FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£470Average£656FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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 London to Las Vegas?

Deals for London to Las Vegas 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 London to Las Vegas?

Cheapflights helps you find that perfect flight to Las Vegas from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Certainly. Search results for flights to Las Vegas from London 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 London to Las Vegas become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from London today and book when prices fit your budget.

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