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$282+ Cheap flights from London (LON) to Las Vegas (LAS)

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 5/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAS
Mar 26 — Apr 21
Wed 3/26
Wed 4/2
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
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Cheapflights Tip: The best prices from London to Las Vegas Harry Reid Intl are usually found in February or January, booked 22 days in advance, depart on a Sunday or Tuesday and return on a Sunday

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 March 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$642
(Mytrip)

One-way from

$282
(Norse)

Popular in

August

Cheapest in

February

Average price

$713

Good round-trip deal

$574 or less

Good one-way deal

$303 or less
Provider with most accurate pricing for London (LON)-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Las Vegas Harry Reid Intl flights.
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From London (LON) to Las Vegas Harry Reid Intl
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One-way flight from London (LON) to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 15% potential increase in price ($155 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from London (LON) to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from London (LON) to Las Vegas Harry Reid Intl.
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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 March 21, 2025.

This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:55 amLGW - LAS
1 stop35h 26mMultiple Airlines
Thu 5/812:40 amLAS - LGW
3 stops34h 50mMultiple Airlines
Deal found 3/20$642
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/12:50 pmSTN - LAS
3 stops41h 05mMultiple Airlines
Tue 5/65:05 amLAS - STN
3 stops34h 25mMultiple Airlines
Deal found 3/20$642
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:55 amLHR - LAS
1 stop19h 16mMultiple Airlines
Mon 5/58:45 pmLAS - LHR
1 stop33h 50mMultiple Airlines
Deal found 3/20$642
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/112:35 pmLTN - LAS
3 stops43h 20mMultiple Airlines
Tue 5/65:05 amLAS - LTN
3 stops33h 50mMultiple Airlines
Deal found 3/20$652
This Lufthansa deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/224:15 pmLHR - LAS
2 stops33h 51mLufthansa
Sun 4/277:00 amLAS - LHR
1 stop17h 20mLufthansa
Deal found 3/21$654
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2511:25 amLHR - LAS
2 stops38h 36mUnited Airlines
Wed 5/211:39 pmLAS - LHR
1 stop33h 46mUnited Airlines
Deal found 3/20$655
This The Travel House deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/101:00 pmLHR - LAS
2 stops28h 22mAir Canada
Sat 11/1511:25 pmLAS - LHR
1 stop23h 45mAir Canada
Deal found 3/21$663
This The Travel House deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/127:30 amLHR - LAS
2 stops23h 57mFinnair
Fri 5/1611:54 amLAS - LHR
1 stop25h 46mFinnair
Deal found 3/21$676
This SWISS deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:40 pmLGW - LAS
1 stop30h 10mSWISS
Mon 5/52:20 pmLAS - LGW
1 stop19h 30mSWISS
Deal found 3/21$718
This SWISS deal was found by Cheapflights users on 3/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/278:45 amLHR - LAS
1 stop36h 05mSWISS
Mon 5/52:20 pmLAS - LHR
1 stop19h 30mSWISS
Deal found 3/21$722
This Mytrip deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/249:25 amLCY - LAS
2 stops19h 46mMultiple Airlines
Thu 5/812:42 pmLAS - LCY
2 stops22h 13mMultiple Airlines
Deal found 3/20$730
This The Travel House deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:20 pmLHR - LAS
Nonstop10h 40mIberia
Sun 5/182:30 pmLAS - LHR
1 stop17h 35mIberia
Deal found 3/20$731

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated March 21, 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

LGW - LAS

LGWLAS

London Gatwick

Sun 5/4

10:55 am-2:21 pm

1 stop35h 26m

Las Vegas Harry Reid Intl

Thu 5/8

12:40 am-7:30 pm

3 stops34h 50m

$642

LondonLas Vegas

STN - LAS

STNLAS

London Stansted

Thu 5/1

2:50 pm-11:55 pm

3 stops41h 05m

Las Vegas Harry Reid Intl

Tue 5/6

5:05 am-11:30 pm

3 stops34h 25m

$642

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 5/1

9:55 am-9:11 pm

1 stop19h 16m

Las Vegas Harry Reid Intl

Mon 5/5

8:45 pm-2:35 pm

1 stop33h 50m

$642

LondonLas Vegas

LTN - LAS

LTNLAS

London Luton

Thu 5/1

12:35 pm-11:55 pm

3 stops43h 20m

Las Vegas Harry Reid Intl

Tue 5/6

5:05 am-10:55 pm

3 stops33h 50m

$652

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 4/22

4:15 pm-6:06 pm

2 stops33h 51m

Las Vegas Harry Reid Intl

Sun 4/27

7:00 am-8:20 am

1 stop17h 20m

$654

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 4/25

11:25 am-6:01 pm

2 stops38h 36m

Las Vegas Harry Reid Intl

Wed 5/21

1:39 pm-7:25 am

1 stop33h 46m

$655

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 4/29

3:50 pm-10:12 am

1 stop26h 22m

Las Vegas Harry Reid Intl

Tue 5/6

6:00 am-1:20 pm

2 stops23h 20m

$661

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 5/12

7:30 am-11:27 pm

2 stops23h 57m

Las Vegas Harry Reid Intl

Fri 5/16

11:54 am-9:40 pm

1 stop25h 46m

$676

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 5/1

6:40 pm-4:50 pm

1 stop30h 10m

Las Vegas Harry Reid Intl

Mon 5/5

2:20 pm-5:50 pm

1 stop19h 30m

$718

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 4/27

8:45 am-12:50 pm

1 stop36h 05m

Las Vegas Harry Reid Intl

Mon 5/5

2:20 pm-5:50 pm

1 stop19h 30m

$722

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/20

Showing 1-10 of 58 results
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Compare providers for flights from London to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Las Vegas in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from London to Las Vegas. Price data was last updated on March 14, 2025.

The best time to book flights from London to Las Vegas is 22 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 to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from London to Las Vegas (average of $198). Flying from London to Las Vegas in March is currently the most expensive (average of $269). 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 March 21, 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 afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 31% on airfare.

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 March 21, 2025.

The most flights from LON to LAS are scheduled on a Tuesday (12 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (11 on average).

Rainfall in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

Plan your trip to Las Vegas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Las Vegas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 March 21, 2025.
Get a feel of what it's like to fly with Delta, KLM and Air Transat from London to Las Vegas by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,895 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,319 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Transat
7.8
Good
380 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
768 reviews
Delta
8.0
Very good
7,895 reviews

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    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. Booking flights from London to Harry Reid Intl (LAS) should be relatively easy as there are 11 daily inbound flights from London from 6 different airlines.

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

    Currently priced at $654, Lufthansa will fly you from London to Las Vegas and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Air Canada - these airlines can fly you to your destination from $655 and $661, respectively. These flights start at 20% lower than the current average price 3 months from now.

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

    $397 is the cheapest one-way deal found within the past few days, from Norse Atlantic UK. You may also be able to find cheap deals on WestJet and Air Transat, with prices starting from $413 and $498, respectively.

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

    While some choose either London Gatwick - Las Vegas Harry Reid Intl or London City - Las Vegas Harry Reid Intl, London Heathrow - Las Vegas Harry Reid Intl is the most popular route from London to Las Vegas.

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

    Before booking your flight to Las Vegas from London, check out the most reliable airlines to get you to your destination on time: KLM (88%), Air France (88%), Delta( 88%).

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

    While on average a flight from London to Las Vegas is generally $1,655, our data shows the cheapest flight currently is $521. When looking at the most popular route, (London Heathrow - Las Vegas Harry Reid Intl), you can expect to pay $454 for that flight.

  • 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 vacation 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, August is the cheapest month in which you can book a flight from London to Las Vegas (average of $198). Flying from London to Las Vegas in March is currently the most expensive (average of $269). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Henderson
Paradise
North Las Vegas
Sunrise Manor
Winchester
Kingman
Primm
Mesquite
Needles
Mount Charleston
Pahrump
Boulder City

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from London to Las Vegas

Discover the top 6 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 2,558,603 searches. Data last updated March 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$385Average$530FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$595Average$882FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$655Average$918FlexibilityNo cancel feeOn-time71%
IberiaCheapest$680Average$963FlexibilityNo cancel feeOn-time77%
DeltaCheapest$693Average$922FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$713Average$946FlexibilityNo cancel feeOn-time72%
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