Las Vegas

$365+ 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 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — LAS
Aug 17 — Aug 241
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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 Sunday or Tuesday and return on a Tuesday

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 August 12, 2025.

Round-trip from

$746
(The Travel House)

One-way from

$365
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$1,054

Good round-trip deal

$915 or less

Good one-way deal

$521 or less
From London (LON) to Las Vegas Harry Reid Intl
One-way flight from London (LON) to Las Vegas Harry Reid Intl
Highest demand for flights based on searches. 11% potential increase in price ($110 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT 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 August 12, 2025.

This Mytrip deal was found by Cheapflights users on 8/11. 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 10/1912:40 pmLGW - LAS
1 stop17h 15mMultiple Airlines
Fri 10/2412:20 pmLAS - LGW
1 stop14h 25mMultiple Airlines
Deal found 8/11$746
This Gotogate deal was found by Cheapflights users on 8/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1610:30 amLHR - LAS
2 stops19h 52mMultiple Airlines
Thu 10/237:25 amLAS - LHR
2 stops18h 10mMultiple Airlines
Deal found 8/11$746
This Travcart deal was found by Cheapflights users on 8/11. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/164:35 pmLHR - LAS
Nonstop10h 40mVirgin Atlantic
Tue 9/309:10 pmLAS - LHR
Nonstop9h 55mVirgin Atlantic
Deal found 8/11$747
This The Travel House deal was found by Cheapflights users on 8/12. 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.
Wed 9/106:30 amLHR - LAS
2 stops21h 54mLufthansa
Sat 9/206:28 pmLAS - LHR
1 stop28h 57mLufthansa
Deal found 8/12$748
This Mytrip deal was found by Cheapflights users on 8/11. 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 9/42:00 pmLGW - LAS
2 stops28h 41mMultiple Airlines
Sat 9/612:47 amLAS - LGW
2 stops21h 33mMultiple Airlines
Deal found 8/11$749
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Wed 9/108:15 amSTN - LAS
3 stops38h 46mMultiple Airlines
Sat 9/205:36 pmLAS - STN
3 stops33h 04mMultiple Airlines
Deal found 8/11$750
This The Travel House deal was found by Cheapflights users on 8/11. 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 9/168:15 amLHR - LAS
2 stops22h 34mIcelandair
Tue 9/307:00 amLAS - LHR
1 stop18h 30mIcelandair
Deal found 8/11$750
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Wed 9/1011:35 amLGW - LAS
3 stops35h 26mMultiple Airlines
Sat 9/206:20 pmLAS - LGW
3 stops31h 30mMultiple Airlines
Deal found 8/11$751
This Expedia deal was found by Cheapflights users on 8/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:50 pmLHR - LAS
1 stop14h 23mAir Canada
Sun 9/711:15 pmLAS - LHR
2 stops23h 15mAir Canada
Deal found 8/11$751
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:55 amLGW - LAS
1 stop16h 04mMultiple Airlines
Fri 10/311:00 pmLAS - LGW
2 stops23h 20mMultiple Airlines
Deal found 8/12$752
This Lufthansa deal was found by Cheapflights users on 8/11. 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.
Sat 9/206:00 amLHR - LAS
1 stop18h 35mMultiple Airlines
Sat 9/272:16 pmLAS - LHR
1 stop12h 54mMultiple Airlines
Deal found 8/11$752
This Mytrip deal was found by Cheapflights users on 8/11. 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.
Fri 10/34:00 pmSTN - LAS
2 stops32h 35mMultiple Airlines
Mon 10/67:05 pmLAS - STN
2 stops19h 05mMultiple Airlines
Deal found 8/11$753

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 August 12, 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

Fri 9/12

12:10 pm-3:50 pm

1 stop35h 40m

Las Vegas Harry Reid Intl

Mon 9/15

9:10 pm-9:35 am

1 stop28h 25m

$746

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Mon 9/22

12:10 pm-10:22 pm

1 stop18h 12m

Las Vegas Harry Reid Intl

Mon 9/29

9:10 pm-9:35 am

1 stop28h 25m

$746

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Sat 9/13

2:00 pm-9:10 am

1 stop27h 10m

Las Vegas Harry Reid Intl

Thu 9/18

12:47 am-6:20 am

2 stops21h 33m

$748

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 2/5

2:00 pm-10:35 am

1 stop28h 35m

Las Vegas Harry Reid Intl

Thu 2/19

8:25 am-10:00 am

1 stop17h 35m

$749

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 9/4

2:00 pm-10:41 am

2 stops28h 41m

Las Vegas Harry Reid Intl

Sat 9/6

12:47 am-6:20 am

2 stops21h 33m

$749

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 10/14

8:15 am-6:02 pm

1 stop17h 47m

Las Vegas Harry Reid Intl

Mon 10/20

11:59 pm-8:45 pm

1 stop12h 46m

$750

LondonLas Vegas

STN - LAS

STNLAS

London Stansted

Wed 9/10

8:15 am-3:01 pm

3 stops38h 46m

Las Vegas Harry Reid Intl

Sat 9/20

5:36 pm-10:40 am

3 stops33h 04m

$750

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 11/6

7:40 pm-10:35 pm

3 stops34h 55m

Las Vegas Harry Reid Intl

Sat 11/8

12:15 am-6:00 am

2 stops21h 45m

$751

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 10/14

8:15 am-6:02 pm

1 stop17h 47m

Las Vegas Harry Reid Intl

Mon 11/3

11:15 pm-8:45 pm

1 stop13h 30m

$752

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 10/13

8:15 am-9:12 pm

1 stop20h 57m

Las Vegas Harry Reid Intl

Mon 11/3

11:15 pm-8:45 pm

1 stop13h 30m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 60 results
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The best insider tips for London to Las Vegas flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your London to Las Vegas trip
Airports
LHR

Heathrow's security lines can be lengthy; ensure all liquids are in one bag to avoid delays.

Read more about LHRby Ramsey Qubein
LGW

For early flights, consider staying at a hotel at Gatwick to avoid costly morning taxis from London.

Read more about LGWby John Walton
LAS

At LAS, rideshare pickups are in the parking garage; wait to request your ride until nearby.

Read more about LASby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LHR and LAS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
John Walton

John Walton

Expert on LGW

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more

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 August 8, 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 August 12, 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 32% 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 August 12, 2025.

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

How much does it cost to fly round-trip from London to Las Vegas?

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

Share of 1-stop round-trip flights from London to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.

Dublin (DUB) – chosen by Cheapflights users on 50% of 1-stop itineraries from London to Las Vegas on Cheapflights.

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

Average round-trip fare for 1-stop flights from London to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.

San Francisco (SFO) is the most affordable 1-stop option, with an average round-trip price of $740.

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

Shortest average travel time for 1-stop one-way flights from London to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 13h 40m.

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

Average layover duration for 1-stop one-way flights from London to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average layover time of 1h 34m.

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 August 12, 2025.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and American Airlines from London to Las Vegas to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good
8.0
Very good

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
Norse Atlantic UK
7.2
Good
8.0
Very good

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others
8.0
Very good

Overall

8.0

Food

7.3

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Morgan Rae,Aug 2025

BRU - JFK

Typically I choose delta because they do a great job but this time the flight attendant in my zone was very rude and didnt offer the same treatment as she did to others

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 8 daily inbound flights from London from 5 different airlines.

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

    Currently priced at $746, Icelandair will fly you from London to Las Vegas and back. In addition to Icelandair, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on JetBlue for as low as $746. These flights start at 12% lower than the current average price 3 months from now.

  • What are the most popular routes 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: American Airlines (85%), Aer Lingus (85%), British Airways( 85%).

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

    While on average a flight from London to Las Vegas is generally $3,934, 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 $548 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 Las Vegas?

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

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Top 5 airlines flying from London to Las Vegas

Discover the top 5 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 August 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$616Average$1,070FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$687Average$907FlexibilityNo cancel feeOn-time70%
DeltaCheapest$693Average$901FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$740Average$984FlexibilityNo cancel feeOn-time72%
IberiaCheapest$763Average$1,136FlexibilityNo cancel feeOn-time77%

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