London

$234+ Cheap flights from Las Vegas (LAS) to London (LON)

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LON
Apr 20 — Apr 271
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Find cheap flights from Las Vegas to London with Cheapflights

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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3. Compare prices and book

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London are usually found in January or February, booked 15 days in advance, depart on a Tuesday or Sunday and return on a Sunday

Cheap flight deals from Las Vegas to London

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to London (LON). 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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$631
(Mytrip)

One-way from

$234
(Norse)

Popular in

June

Cheapest in

January

Average price

$755

Good round-trip deal

$713 or less

Good one-way deal

$181 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-London (LON) flights.
From Las Vegas Harry Reid Intl to London (LON)
One-way flight from Las Vegas Harry Reid Intl to London (LON)
Highest demand for flights based on searches. 27% potential increase in price ($299 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London (LON).
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London (LON).

Find flight deals from Las Vegas to London

Cheapest flights from Las Vegas to London
Explore the most affordable flight options available from Las Vegas to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 15, 2025.

This Mytrip deal was found by Cheapflights users on 4/13. 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.
Sat 5/37:37 pmLAS - LGW
2 stops26h 43mMultiple Airlines
Fri 5/1610:05 amLGW - LAS
2 stops29h 41mMultiple Airlines
Deal found 4/13$631
This Delta deal was found by Cheapflights users on 4/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/279:05 amLAS - LHR
1 stop16h 55mDelta
Tue 5/1310:55 amLHR - LAS
1 stop13h 08mDelta
Deal found 4/13$631
This United deal was found by Cheapflights users on 4/14. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/912:59 amLAS - LHR
3 stops21h 31mUnited Airlines
Tue 9/210:35 amLHR - LAS
1 stop18h 06mUnited Airlines
Deal found 4/14$634
This Air Canada deal was found by Cheapflights users on 4/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/277:00 amLAS - LHR
1 stop15h 30mMultiple Airlines
Tue 5/139:30 amLHR - LAS
2 stops16h 58mMultiple Airlines
Deal found 4/13$635
This SWISS deal was found by Cheapflights users on 4/14. 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.
Wed 4/233:30 pmLAS - LHR
2 stops35h 55mSWISS
Tue 5/66:00 amLHR - LAS
2 stops24h 12mSWISS
Deal found 4/14$639
This oojo deal was found by Cheapflights users on 4/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2312:59 amLAS - LHR
1 stop21h 56mBritish Airways
Fri 10/1011:40 amLHR - LAS
1 stop14h 50mBritish Airways
Deal found 4/14$640
This Gotogate deal was found by Cheapflights users on 4/14. 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.
Sun 4/274:05 pmLAS - LCY
1 stop31h 10mVirgin Atlantic
Tue 5/139:20 amLCY - LAS
1 stop12h 55mVirgin Atlantic
Deal found 4/14$642
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/109:25 amLAS - LGW
1 stop16h 35mDelta
Tue 9/212:00 pmLGW - LAS
1 stop17h 54mDelta
Deal found 4/14$643
This Iberia deal was found by Cheapflights users on 4/13. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/310:00 pmLAS - LHR
Nonstop10h 00mIberia
Fri 5/165:30 pmLHR - LAS
Nonstop10h 40mIberia
Deal found 4/13$643
This SWISS deal was found by Cheapflights users on 4/13. 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.
Wed 5/710:59 amLAS - LCY
2 stops37h 51mSWISS
Wed 5/147:20 pmLCY - LAS
1 stop29h 15mSWISS
Deal found 4/13$652
This Air Canada deal was found by Cheapflights users on 4/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/227:25 amLAS - LHR
1 stop21h 55mAir Canada
Tue 5/69:30 amLHR - LAS
2 stops21h 00mAir Canada
Deal found 4/14$653
This Mytrip deal was found by Cheapflights users on 4/14. 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 5/210:15 pmLAS - STN
2 stops28h 25mMultiple Airlines
Fri 5/911:40 amSTN - LAS
2 stops29h 45mMultiple Airlines
Deal found 4/14$656

Cheapflights Fare Finder

Customize your flight search to find flights from Las Vegas to London 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 April 15, 2025.
Use the filters below to find and compare flights from Las Vegas to London that are best for you.

Fly from

Las Vegas

Fly to

London

Route

Depart

Return

Price

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sat 5/3

7:37 pm-6:20 am

2 stops26h 43m

London Gatwick

Fri 5/16

10:05 am-7:46 am

2 stops29h 41m

$631

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 7/29

9:10 pm-3:05 pm

Nonstop9h 55m

London Heathrow

Wed 9/3

11:45 am-9:19 pm

1 stop17h 34m

$631

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 8/9

12:59 am-6:30 am

3 stops21h 31m

London Heathrow

Tue 9/2

10:35 am-8:41 pm

1 stop18h 06m

$634

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 9/20

11:15 pm-6:30 am

1 stop23h 15m

London Heathrow

Mon 10/20

8:40 am-6:08 pm

2 stops41h 28m

$639

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 9/23

12:59 am-6:55 am

1 stop21h 56m

London Heathrow

Fri 10/10

11:40 am-6:30 pm

1 stop14h 50m

$640

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 4/25

7:20 pm-5:50 pm

1 stop14h 30m

London Heathrow

Fri 5/9

8:40 am-4:50 pm

1 stop16h 10m

$641

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Sun 4/27

4:05 pm-7:15 am

1 stop31h 10m

London City

Tue 5/13

9:20 am-2:15 pm

1 stop12h 55m

$642

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 9/20

9:37 am-7:20 am

1 stop13h 43m

London Heathrow

Wed 10/8

5:20 pm-8:00 pm

Nonstop10h 40m

$642

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 5/2

12:10 pm-11:50 am

1 stop15h 40m

London Heathrow

Fri 5/9

2:05 pm-10:19 pm

1 stop16h 14m

$649

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Wed 5/7

10:59 am-8:50 am

2 stops37h 51m

London City

Wed 5/14

7:20 pm-4:35 pm

1 stop29h 15m

$652

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/13

Showing 1-10 of 60 results
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Compare providers for flights from Las Vegas to London

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 Las Vegas to London in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*2 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 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 Las Vegas-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Las Vegas-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Las Vegas-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-London flights, Cheapflights users trust AranGrant the most. AranGrant 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 Las Vegas-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Las Vegas to London 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 Las Vegas to London trip
Airports
LAS

Enjoy the Centurion Lounge at LAS with a buffet, craft cocktails, and showers for a relaxing pre-flight experience.

Read more about LASby Ramsey Qubein
LHR

Take the Heathrow Express for the fastest route to central London from LHR, arriving at Paddington Station.

Read more about LHRby Ramsey Qubein
LGW

Use the Gatwick Express or Southern trains for a quick trip to London Victoria from LGW's South Terminal.

Read more about LGWby John Walton
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 Las Vegas to London

Have a flexible travel schedule? Discover the best time to fly to London from Las Vegas 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 Las Vegas to London

How far ahead should I book a flight from Las Vegas to London?

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to London. Price data was last updated on April 11, 2025.

Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from Las Vegas to London. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Las Vegas to London?

Currently, November is the cheapest month in which you can book a flight from Las Vegas to London (average of $661). Flying from Las Vegas to London in June is currently the most expensive (average of $1,110). 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 LAS to LON?

Find hourly flight availability from Las Vegas to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 15, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 28% on flights from Las Vegas to London by exploring options for tickets in the afternoon.

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

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

Travelers seeking maximum savings on their Las Vegas to London flight should consider departing on Thursday afternoons when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Las Vegas to London

Explore weekly flight availability from Las Vegas to London. 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 April 15, 2025.

The most flights from LAS to LON are scheduled on a Tuesday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated April 15, 2025.
Read through reviews of airlines operating flights from Las Vegas to London, such as Delta, Porter Airlines and KLM. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Comfort

7.9

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Las Vegas to London. 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 from for flights from Las Vegas to London?

    Las Vegas Harry Reid Intl (LAS), located 6.2 mi from the city center, is the airport you fly out of when you book flights from Las Vegas to London. 11 airlines have flights from Harry Reid Intl to London on a regular basis. Booking flights from Las Vegas Harry Reid Intl to London should not be difficult; the airport handles an average of 9 outbound flights to London per day.

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

    Flying on Delta is currently your cheapest option to London, with prices starting at $631. Additional round-trip tickets that might be worth considering are offered by SWISS and Virgin Atlantic, with the lowest prices starting at $639 and $642, respectively. Users have found that Delta is 19% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $344. Iberia flights start at $384 while deals on Lufthansa start at $389 one-way.

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

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

    Consider KLM (93%), Air France (86%) or Delta (86%) when booking your flight. These represent the most reliable airlines when flying from Las Vegas to London.

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

    Looking at all options, your cheapest flight can be booked for $458. While the most popular route (Las Vegas Harry Reid Intl - London Heathrow) can be booked for $579 on average our data indicates $2,028 when flying from Las Vegas to London.

  • Can I find deals for flights from Las Vegas to London that include hotel bookings?

    Yes. In addition to deals on Las Vegas to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Las Vegas to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Las Vegas to London.

  • Can I find deals for business class flights from Las Vegas to London?

    Yes. Cheapflights offers flight deals from Las Vegas to London 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 Las Vegas to London?

    Currently, November is the cheapest month in which you can book a flight from Las Vegas to London (average of $661). Flying from Las Vegas to London in June is currently the most expensive (average of $1,110). 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
Hounslow
Hayes
Thornton Heath
Luton
Horley
Wembley
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Milton Keynes
Croydon
Borehamwood
Folkestone
Ilford
Aylesbury
Chelmsford
Sutton

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Top 10 airlines flying from Las Vegas to London

Discover the top 10 airlines that operate flights from Las Vegas to London. 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Norse Atlantic UKCheapest$334Average$456FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$502Average$675FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$505Average$704FlexibilityNo cancel feeOn-time69%
Virgin AtlanticCheapest$543Average$1,005FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$558Average$910FlexibilityNo cancel feeOn-time71%
IberiaCheapest$559Average$755FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$572Average$878FlexibilityNo cancel feeOn-time70%
DeltaCheapest$595Average$927FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$688Average$1,070FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$750Average$987FlexibilityNo cancel feeOn-time62%

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