Cheap flights from London to Las Vegas from £267

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 8/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAS
2 Sep — 9 Sep1
1 adult

Cheapflights Tip: The best prices from London to Las Vegas Harry Reid Intl are usually found in January or February, booked 22 days in advance, depart on a Tuesday or Thursday and return on a Thursday

Cheap 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 28 August 2025.

Round-trip from

£541

One-way from

£267

Popular in

August

Cheapest in

January

Average price

£779

Good round-trip deal

£589 or less

Good one-way deal

£624 or less
British Airways
  • British Airways
  • 6/2-8/2
  • 1 total stop
  • 23h 54m total
  • London to Las Vegas
8/9
  • 8/9
  • 3 total stops
  • 35h 05m total
  • London to Las Vegas
Highest demand for flights based on searches. 11% potential increase in price (£59 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in August 2025
Price to beat on a round-trip flight from London (LON) to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from London (LON) to Las Vegas Harry Reid Intl.

Find flight deals from London to Las Vegas

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 28 August 2025.

Sat 11/1006:40LHR - LAS
3 stops46h 15mMultiple Airlines
Sat 18/1021:10LAS - LHR
3 stops30h 55mMultiple Airlines
Deal found 27/8£541
Tue 16/908:15STN - LAS
2 stops21h 58mMultiple Airlines
Thu 18/912:05LAS - STN
2 stops18h 15mMultiple Airlines
Deal found 27/8£541
Sat 15/1111:45LHR - LAS
1 stop16h 53mBritish Airways
Sun 16/1122:49LAS - LHR
1 stop24h 31mBritish Airways
Deal found 27/8£541
Thu 25/913:10LGW - LAS
3 stops41h 16mMultiple Airlines
Sat 4/1000:49LAS - LGW
2 stops21h 31mMultiple Airlines
Deal found 26/8£542
Tue 9/908:15STN - LAS
3 stops36h 17mMultiple Airlines
Tue 16/907:25LAS - STN
3 stops22h 55mMultiple Airlines
Deal found 26/8£542
Tue 23/911:45LHR - LAS
1 stop14h 50mVirgin Atlantic
Wed 1/1015:40LAS - LHR
1 stop14h 35mVirgin Atlantic
Deal found 27/8£542
Sat 20/912:10LGW - LAS
1 stop17h 27mIcelandair
Sat 4/1021:39LAS - LGW
1 stop27h 56mIcelandair
Deal found 27/8£543
Thu 2/1007:35STN - LAS
3 stops46h 51mMultiple Airlines
Thu 16/1012:35LAS - STN
2 stops25h 50mMultiple Airlines
Deal found 27/8£543
Fri 17/1014:10LHR - LAS
1 stop17h 04mAir Canada
Mon 20/1011:10LAS - LHR
1 stop14h 25mAir Canada
Deal found 26/8£543
Tue 16/908:50LHR - LAS
3 stops34h 16mMultiple Airlines
Sat 20/922:09LAS - LHR
3 stops25h 51mMultiple Airlines
Deal found 26/8£544
Mon 15/914:00LGW - LAS
1 stop39h 02mMultiple Airlines
Thu 18/918:31LAS - LGW
1 stop32h 24mMultiple Airlines
Deal found 26/8£544
Mon 22/910:00LCY - LAS
1 stop16h 35mDelta
Mon 29/920:25LAS - LCY
1 stop12h 15mDelta
Deal found 27/8£544

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 28 August 2025.
Use the filters below to find and compare flights from London to Las Vegas that are best for you.

Fly from

London

Fly to

Las Vegas

Route

Depart

Return

Price

LondonLas Vegas

STN - LAS

STNLAS

London Stansted

Tue 16/9

08:15-22:13

2 stops21h 58m

Las Vegas Harry Reid Intl

Thu 18/9

12:05-14:20

2 stops18h 15m

£541

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 15/11

14:10-22:59

1 stop16h 49m

Las Vegas Harry Reid Intl

Mon 17/11

17:15-14:00

1 stop12h 45m

£541

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 15/11

15:45-22:59

1 stop15h 14m

Las Vegas Harry Reid Intl

Tue 18/11

15:58-13:15

1 stop13h 17m

£541

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 16/11

11:55-21:42

1 stop17h 47m

Las Vegas Harry Reid Intl

Sun 23/11

17:15-12:20

1 stop35h 05m

£541

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 14/11

12:35-19:14

1 stop14h 39m

Las Vegas Harry Reid Intl

Sun 16/11

22:49-07:20

1 stop24h 31m

£541

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Tue 7/10

21:20-20:55

3 stops31h 35m

Las Vegas Harry Reid Intl

Sun 12/10

23:59-09:45

3 stops25h 46m

£542

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 25/9

13:10-22:26

3 stops41h 16m

Las Vegas Harry Reid Intl

Sat 4/10

00:49-06:20

2 stops21h 31m

£542

LondonLas Vegas

STN - LAS

STNLAS

London Stansted

Tue 9/9

08:15-12:32

3 stops36h 17m

Las Vegas Harry Reid Intl

Tue 16/9

07:25-14:20

3 stops22h 55m

£542

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 25/11

14:50-21:31

1 stop14h 41m

Las Vegas Harry Reid Intl

Sun 7/12

06:00-12:50

2 stops22h 50m

£542

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Sat 20/9

12:10-21:37

1 stop17h 27m

Las Vegas Harry Reid Intl

Sat 4/10

21:39-09:35

1 stop27h 56m

£543

Flights are sorted by cheapest return flights first.

Deals found on 27/8

Showing 1-10 of 60 results
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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 22 August 2025.

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 22 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, January is the cheapest month in which you can book a flight from London to Las Vegas (average of £689). Flying from London 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 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 28 August 2025.

One of the essential ways to save on airfare from London to Las Vegas is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 20% on airfare.

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

Use this chart to determine the cheapest time to fly return from London to Las Vegas. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Las Vegas flight should consider departing on Thursday 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 to Las Vegas

Explore weekly flight availability from London 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 28 August 2025.

The most flights from LON to LAS are scheduled on a Tuesday (13 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (4 on average).

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 18% 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.

Calgary (YYC) is the most affordable one-stop option, with an average return flight price of £412.

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 Detroit (DTW) offer the fastest connection on this route, with an average stopover time of 1h 27m.

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 28 August 2025.
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.

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Norse Atlantic UK
7.2
Good

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Entertainment

7.1

Crew

8.4

Food

7.3

Boarding

7.8

Overall

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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 8 inbound flights from London per day. 19 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 British Airways, Icelandair, and American Airlines fly from London to Las Vegas in about 16h 49m. The time it takes to get you to your destination can typically vary by up to 14h 55m. The distance between London and Las Vegas is about 5213 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 £243. Other airlines that can offer you cheap pricing are Air Transat, from £328, and WestJet, from £386. You may be able to fly from London to Las Vegas for 61% less than the average price by searching for these airlines.

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

  • 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 (80%), Air France (80%) and Delta (80%).

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

    The cheapest flight price from London to Las Vegas is £498. On average you can expect to pay £1,473. The most popular route, (London Heathrow - Las Vegas Harry Reid Intl), can usually be booked for £394.

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

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

    Los Angeles travellers tend to visit Hollywood Walk of Fame, Hollywood Bowl, and Hollywood Boulevard more than anywhere else. Travelers on a layover in Los Angeles can visit Hollywood Walk of Fame, Hollywood Bowl, and Hollywood Boulevard, by traveling 11.7 mi, 12.5 mi, and 11.8 mi, respectively after landing at Los Angeles. Travellers can rent a car at Los Angeles for an average daily rate of £36 to make sightseeing during their stopover a little easier.

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

  • 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, January is the cheapest month in which you can book a flight from London to Las Vegas (average of £689). Flying from London 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 Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Kingman
Henderson
Paradise

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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 28 August 2025.

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 28 August 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£243Average£407FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air TransatCheapest£328Average£580FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapest£386Average£436FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapest£432Average£596FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
IcelandairCheapest£448Average£626FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air CanadaCheapest£451Average£566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£464Average£615FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£485Average£627FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Aer LingusCheapest£489Average£649FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
British AirwaysCheapest£493Average£649FlexibilityNo cancel feeOn-time70%
Search British Airways 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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