Cheap flights from London to Las Vegas from £315

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAS
20 Nov — 27 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London to Las Vegas Harry Reid Intl are usually found in February or March, 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 21 October 2025.

Round-trip from

£497

One-way from

£315

Popular in

August

Cheapest in

February

Average price

£673

Good round-trip deal

£506 or less

Good one-way deal

£515 or less
8/11-15/11
  • 8/11-15/11
  • 5 total stops
  • 46h 14m total
  • London to Las Vegas
12/11
  • 12/11
  • 3 total stops
  • 55h 33m total
  • London to Las Vegas
Highest demand for flights based on searches. 8% potential increase in price (£45 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 October 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

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 21 October 2025.

Sat 8/1111:55LGW - LAS
3 stops28h 58mMultiple Airlines
Sat 15/1109:39LAS - LGW
2 stops17h 16mMultiple Airlines
Deal found 19/10£497
Thu 4/1214:00LGW - LAS
2 stops25h 19mMultiple Airlines
Thu 11/1221:59LAS - LGW
2 stops28h 01mMultiple Airlines
Deal found 20/10£498
Thu 27/1106:30LHR - LAS
1 stop15h 45mVirgin Atlantic
Thu 11/1220:06LAS - LHR
1 stop12h 44mVirgin Atlantic
Deal found 20/10£498
Thu 4/1209:00LTN - LAS
1 stop16h 50mMultiple Airlines
Thu 11/1219:35LAS - LTN
1 stop12h 25mMultiple Airlines
Deal found 20/10£500
Tue 18/1109:20LHR - LAS
1 stop23h 12mJetBlue
Tue 25/1123:59LAS - LHR
1 stop13h 41mJetBlue
Deal found 19/10£501
Sun 9/1109:20LHR - LAS
1 stop23h 12mIcelandair
Mon 17/1114:30LAS - LHR
1 stop32h 25mIcelandair
Deal found 19/10£502
Thu 27/1114:00LGW - LAS
1 stop28h 03mMultiple Airlines
Thu 11/1207:00LAS - LGW
2 stops19h 00mMultiple Airlines
Deal found 20/10£503
Tue 4/1107:25LHR - LAS
1 stop33h 18mIcelandair
Tue 11/1107:00LAS - LHR
1 stop18h 30mIcelandair
Deal found 20/10£503
Mon 17/1114:00LGW - LAS
2 stops30h 43mMultiple Airlines
Thu 27/1107:00LAS - LGW
1 stop19h 00mMultiple Airlines
Deal found 19/10£504
Tue 4/1107:25LHR - LAS
1 stop25h 00mIcelandair
Sat 8/1110:33LAS - LHR
2 stops26h 12mIcelandair
Deal found 20/10£504
Fri 5/1214:00LGW - LAS
2 stops25h 19mMultiple Airlines
Sun 7/1222:07LAS - LGW
2 stops27h 53mMultiple Airlines
Deal found 19/10£505
Wed 3/1213:20LHR - LAS
Nonstop10h 50mVirgin Atlantic
Wed 10/1207:25LAS - LHR
1 stop15h 30mVirgin Atlantic
Deal found 20/10£505

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 21 October 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

LTN - LAS

LTNLAS

London Luton

Thu 4/12

09:00-17:50

1 stop16h 50m

Las Vegas Harry Reid Intl

Thu 11/12

19:35-16:00

1 stop12h 25m

£500

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 8/1

14:00-10:35

1 stop28h 35m

Las Vegas Harry Reid Intl

Mon 12/1

11:30-10:00

1 stop14h 30m

£506

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 9/12

06:30-14:15

1 stop15h 45m

Las Vegas Harry Reid Intl

Sun 14/12

10:00-10:15

1 stop16h 15m

£526

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 27/11

08:40-14:15

1 stop13h 35m

Las Vegas Harry Reid Intl

Tue 9/12

20:45-14:40

Nonstop9h 55m

£530

LondonLas Vegas

LTN - LAS

LTNLAS

London Luton

Thu 8/1

09:00-17:50

1 stop16h 50m

Las Vegas Harry Reid Intl

Thu 15/1

23:38-08:55

2 stops25h 17m

£533

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Fri 14/11

14:00-08:53

2 stops26h 53m

Las Vegas Harry Reid Intl

Mon 17/11

08:34-20:35

3 stops28h 01m

£537

LondonLas Vegas

STN - LAS

STNLAS

London Stansted

Thu 9/4

06:30-17:35

1 stop19h 05m

Las Vegas Harry Reid Intl

Thu 16/4

19:20-22:25

1 stop19h 05m

£539

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 4/12

16:00-18:50

Nonstop10h 50m

Las Vegas Harry Reid Intl

Wed 10/12

00:44-06:25

1 stop21h 41m

£543

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 24/12

12:30-22:10

1 stop17h 40m

Las Vegas Harry Reid Intl

Sun 28/12

09:55-09:00

1 stop15h 05m

£543

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 1/12

08:55-17:20

1 stop16h 25m

Las Vegas Harry Reid Intl

Tue 9/12

12:01-09:20

1 stop13h 19m

£547

Flights are sorted by cheapest return flights first.

Deals found on 20/10

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 17 October 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, November is the cheapest month in which you can book a flight from London to Las Vegas (average of £296). Flying from London to Las Vegas in June is currently the most expensive (average of £542). 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 21 October 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 in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 28% 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 Saturday mornings 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 21 October 2025.

The most flights from LON to LAS are scheduled on a Friday (12 on average). You will have fewer flight options on Monday, 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 20% 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 £509.

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 Salt Lake City (SLC) 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 Salt Lake City (SLC) offer the fastest connection on this route, with an average stopover time of 1h 23m.

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 21 October 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.

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Norse Atlantic UK
7.2
Good

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Food

7.3

Entertainment

7.1

Comfort

7.6

Boarding

7.8

Crew

8.4

Overall

7.7

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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 7 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 Delta and Virgin Atlantic fly from London to Las Vegas in about 15h 45m. The time it takes to get you to your destination can typically vary by up to 4h 02m. 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 £311. Other airlines that can offer you cheap pricing are Air Transat, from £330, and WestJet, from £386. You may be able to fly from London to Las Vegas for 52% 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 (65%), Air France (65%) and Delta (65%).

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

    The cheapest flight price from London to Las Vegas is £335. On average you can expect to pay £1,195. The most popular route, (London Heathrow - Las Vegas Harry Reid Intl), can usually be booked for £475.

  • 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 £33 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, November is the cheapest month in which you can book a flight from London to Las Vegas (average of £296). Flying from London to Las Vegas in June is currently the most expensive (average of £542). 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 21 October 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 21 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest£311Average£415FlexibilityNo cancel feeOn-timeN/A
Search Norse Atlantic UK flights
Air TransatCheapest£330Average£582FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
WestJetCheapest£386Average£497FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£438Average£568FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£445Average£604FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
United AirlinesCheapest£446Average£590FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapest£455Average£570FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£469Average£626FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
DeltaCheapest£477Average£796FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
FinnairCheapest£489Average£630FlexibilityNo cancel feeOn-time76%
Search Finnair 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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