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Cheap flights from London to Las Vegas from £343

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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAS
18 May — 25 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 Thursday

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 18 April 2026.

Fri 15/511:45
LHR
-
LAS
1 stop14h 50m
Multiple Airlines
Fri 29/509:59
LAS
-
LHR
1 stop13h 11m
Multiple Airlines
Deal found 15/4£633
Thu 26/1108:40
LHR
-
LAS
1 stop13h 35m
Delta
Mon 30/1106:00
LAS
-
LHR
1 stop16h 25m
Delta
Deal found 14/4£634
Sat 18/710:25
LGW
-
LAS
1 stop13h 10m
Virgin Atlantic
Wed 22/717:50
LAS
-
LGW
1 stop14h 10m
Virgin Atlantic
Deal found 13/4£635
Tue 21/414:10
LHR
-
LAS
1 stop15h 23m
WestJet
Wed 6/513:45
LAS
-
LHR
1 stop14h 20m
WestJet
Deal found 14/4£635
Thu 28/510:25
LGW
-
LAS
2 stops29h 16m
Multiple Airlines
Thu 4/609:53
LAS
-
LGW
2 stops22h 07m
Multiple Airlines
Deal found 13/4£636
Thu 4/606:30
STN
-
LAS
3 stops44h 05m
Multiple Airlines
Mon 8/617:50
LAS
-
STN
2 stops19h 05m
Multiple Airlines
Deal found 15/4£636
Thu 26/1116:00
LHR
-
LAS
Nonstop10h 50m
Delta
Thu 3/1220:45
LAS
-
LHR
Nonstop9h 55m
Delta
Deal found 14/4£636
Sat 2/506:35
STN
-
LAS
3 stops47h 05m
Multiple Airlines
Tue 5/509:53
LAS
-
STN
3 stops30h 17m
Multiple Airlines
Deal found 14/4£637
Wed 29/409:55
LHR
-
LAS
1 stop16h 33m
Multiple Airlines
Wed 6/509:53
LAS
-
LHR
1 stop16h 22m
Multiple Airlines
Deal found 15/4£637
Tue 25/818:30
LHR
-
LAS
Nonstop10h 45m
KLM
Tue 1/922:00
LAS
-
LHR
Nonstop9h 55m
KLM
Deal found 14/4£638
Mon 1/612:20
LGW
-
LAS
1 stop19h 03m
JetBlue
Wed 3/606:00
LAS
-
LGW
1 stop19h 35m
JetBlue
Deal found 13/4£638
Tue 28/406:30
LHR
-
LAS
2 stops19h 58m
Multiple Airlines
Tue 5/507:45
LAS
-
LHR
1 stop18h 30m
Multiple Airlines
Deal found 14/4£638

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 18 April 2026.

Round-trip from

£633

One-way from

£343

Popular in

July

Cheapest in

January

Average price

£631

Good round-trip deal

£750 or less

Good one-way deal

£603 or less
Air France
  • Air France
  • 15/5-29/5
  • 2 total stops
  • 28h 01m total
  • London to Las Vegas
Search Deals
1/5
  • 1/5
  • 2 total stops
  • 51h 01m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 18 April 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

LGW - LAS

LGWLAS

London Gatwick

Thu 13/8

10:25-00:02

2 stops21h 37m

Las Vegas Harry Reid Intl

Mon 17/8

17:55-16:00

1 stop14h 05m

£660

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 13/10

10:20-22:33

2 stops20h 13m

Las Vegas Harry Reid Intl

Wed 4/11

11:00-12:00

1 stop17h 00m

£662
Fastest return journey

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 2/10

18:25-21:10

Nonstop10h 45m

Las Vegas Harry Reid Intl

Mon 5/10

22:00-15:55

Nonstop9h 55m

£670

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 3/9

11:45-18:35

1 stop14h 50m

Las Vegas Harry Reid Intl

Tue 8/9

22:00-15:55

Nonstop9h 55m

£670

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 1/10

17:25-20:10

Nonstop10h 45m

Las Vegas Harry Reid Intl

Sun 4/10

22:00-15:55

Nonstop9h 55m

£678

LondonLas Vegas

LCY - LAS

LCYLAS

London City

Wed 8/7

10:00-18:35

1 stop16h 35m

Las Vegas Harry Reid Intl

Sun 12/7

07:05-09:30

2 stops18h 25m

£679

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 25/6

17:25-20:10

Nonstop10h 45m

Las Vegas Harry Reid Intl

Thu 9/7

11:44-13:05

1 stop17h 21m

£679

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 15/5

17:15-20:00

Nonstop10h 45m

Las Vegas Harry Reid Intl

Fri 29/5

22:10-16:05

Nonstop9h 55m

£707

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 9/7

17:25-20:10

Nonstop10h 45m

Las Vegas Harry Reid Intl

Sun 12/7

14:40-15:35

1 stop16h 55m

£712

LondonLas Vegas

LTN - LAS

LTNLAS

London Luton

Thu 25/6

07:05-21:40

2 stops22h 35m

Las Vegas Harry Reid Intl

Tue 7/7

06:50-18:30

3 stops27h 40m

£713

Flights are sorted by cheapest return flights first.

Deals found on 14/4

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 10 April 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, January is the cheapest month in which you can book a flight from London to Las Vegas (average of £529). Flying from London to Las Vegas in July is currently the most expensive (average of £727). 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 18 April 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.

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 18 April 2026.

The most flights from LON to LAS are scheduled on a Monday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 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.

New York (JFK) – 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.

Zurich (ZRH) is the most affordable one-stop option, with an average return flight price of £456.

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 Paris (CDG) have the shortest average one-way travel time for one-stop routes: 13h 10m.

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 127 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 Monday 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 18 April 2026.
Get a feel of what it's like to fly with KLM,Virgin Atlantic, andAir France 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
1,502 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.8

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
1,502 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.8

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
687 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.8

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
1,572 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.8

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
Lufthansa
6.8
Okay
7,930 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.8

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
7,891 reviews
KLM
7.8
Good
1,502 reviews
Check prices

Boarding

7.8

Crew

8.4

Entertainment

7.1

Comfort

7.7

Food

7.3

Overall

7.8

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 11 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 Virgin Atlantic, Finnair, and Delta fly from London to Las Vegas in about 10h 45m. The time it takes to get you to your destination can typically vary by up to 10h 52m. 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 £327. Other airlines that can offer you cheap pricing are Aer Lingus, from £362, and Air Canada, from £386. 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 £268. JetBlue flights start at £316 while deals on Air France start at £348 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 (84%), Air France (82%) and Delta (82%).

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

    The cheapest flight price from London to Las Vegas is £486. 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 £418.

  • 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 £529). Flying from London to Las Vegas in July is currently the most expensive (average of £727). 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

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 18 April 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 18 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£327Average£635FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapest£362Average£776FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£386Average£550FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapest£405Average£488FlexibilityNo cancel feeOn-time60%
Search WestJet flights
LufthansaCheapest£407Average£561FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
JetBlueCheapest£429Average£570FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
United AirlinesCheapest£433Average£566FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest£434Average£696FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£441Average£587FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£462Average£646FlexibilityNo 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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