Heathrow

$349+ Cheap flights from Las Vegas (LAS) to Heathrow (LHR)

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 4/21. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LHR
Feb 26 — Mar 51
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Find cheap flights from Las Vegas to Heathrow 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 Heathrow are usually found in February or October, booked 57 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Las Vegas to Heathrow

Cheapest flights from Las Vegas to Heathrow
Explore the most affordable flight options available from Las Vegas to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:10 pm
LAS
-
LHR
2 stops23h 40m
Lufthansa
Sun 3/16:30 am
LHR
-
LAS
2 stops22h 25m
Lufthansa
Deal found 1/26$629
This United Airlines deal was found by Cheapflights users on 1/26. 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 3/67:30 am
LAS
-
LHR
1 stop20h 30m
United Airlines
Fri 3/136:50 am
LHR
-
LAS
2 stops18h 20m
United Airlines
Deal found 1/26$630
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2310:41 am
LAS
-
LHR
2 stops17h 09m
Multiple Airlines
Sun 3/16:00 am
LHR
-
LAS
2 stops22h 55m
Multiple Airlines
Deal found 1/25$631
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/134:45 pm
LAS
-
LHR
2 stops35h 05m
Multiple Airlines
Tue 4/288:45 am
LHR
-
LAS
1 stop15h 40m
Multiple Airlines
Deal found 1/26$632
This FlightHub deal was found by Cheapflights users on 1/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1812:10 pm
LAS
-
LHR
1 stop13h 20m
Multiple Airlines
Wed 3/256:00 am
LHR
-
LAS
2 stops23h 33m
Multiple Airlines
Deal found 1/25$634
This United Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 3/91:30 pm
LAS
-
LHR
2 stops15h 30m
United Airlines
Mon 3/167:40 am
LHR
-
LAS
2 stops20h 15m
United Airlines
Deal found 1/25$635
This CheapOair deal was found by Cheapflights users on 1/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/19:10 am
LAS
-
LHR
1 stop13h 20m
Multiple Airlines
Tue 4/148:45 am
LHR
-
LAS
1 stop15h 40m
Multiple Airlines
Deal found 1/26$636
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/109:55 pm
LAS
-
LHR
Nonstop9h 55m
British Airways
Tue 3/174:05 pm
LHR
-
LAS
Nonstop10h 45m
British Airways
Deal found 1/27$637
This Booking.com deal was found by Cheapflights users on 1/25. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/119:45 pm
LAS
-
LHR
Nonstop9h 55m
Virgin Atlantic
Wed 3/184:00 pm
LHR
-
LAS
Nonstop10h 50m
Virgin Atlantic
Deal found 1/25$638
This Air Canada deal was found by Cheapflights users on 1/27. 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.
Wed 4/112:30 pm
LAS
-
LHR
1 stop13h 30m
Multiple Airlines
Wed 4/88:40 am
LHR
-
LAS
2 stops19h 55m
Multiple Airlines
Deal found 1/27$639
This SWISS deal was found by Cheapflights users on 1/26. 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 3/410:52 am
LAS
-
LHR
2 stops18h 08m
SWISS
Wed 3/119:00 am
LHR
-
LAS
2 stops20h 33m
SWISS
Deal found 1/26$640
This United Airlines deal was found by Cheapflights users on 1/26. 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.
Tue 3/32:25 pm
LAS
-
LHR
1 stop13h 35m
United Airlines
Thu 3/128:30 am
LHR
-
LAS
2 stops19h 31m
United Airlines
Deal found 1/26$641

Find flight deals from Las Vegas to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Las Vegas (LAS) to Heathrow (LHR). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(Cheapflightsfares)

One-way from

$349
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$806

Good round-trip deal

$656 or less

Good one-way deal

$472 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-London Heathrow flight deals.
Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-London Heathrow flights.
From Las Vegas Harry Reid Intl to London Heathrow
One-way flight from Las Vegas Harry Reid Intl to London Heathrow
Highest demand for flights based on searches. 24% potential increase in price ($289 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
Average for round-trip flights in January 2026
Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London Heathrow.
Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London Heathrow.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Las Vegas to Heathrow 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 January 27, 2026.
Use the filters below to find and compare flights from Las Vegas to London Heathrow Airport that are best for you.

Fly from

Las Vegas

Fly to

Heathrow

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 3/4

10:52 am-1:00 pm

2 stops18h 08m

London Heathrow

Tue 3/10

9:00 am-10:30 pm

2 stops20h 30m

$640

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 2/24

8:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Sun 3/1

4:35 pm-7:15 pm

Nonstop10h 40m

$644

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 3/11

9:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Tue 3/17

4:00 pm-7:50 pm

Nonstop10h 50m

$644

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 3/11

9:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Tue 3/17

4:00 pm-7:50 pm

Nonstop10h 50m

$644

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 2/23

1:20 pm-10:00 am

1 stop12h 40m

London Heathrow

Mon 3/2

4:00 pm-6:50 pm

Nonstop10h 50m

$649

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 2/23

9:35 am-7:05 am

1 stop13h 30m

London Heathrow

Sun 3/1

4:35 pm-7:15 pm

Nonstop10h 40m

$649

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 3/11

11:38 am-10:15 am

1 stop15h 37m

London Heathrow

Mon 3/16

4:00 pm-7:50 pm

Nonstop10h 50m

$649

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 3/12

1:55 pm-11:55 am

1 stop15h 00m

London Heathrow

Mon 3/16

4:00 pm-7:50 pm

Nonstop10h 50m

$649

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 2/28

8:30 pm-2:20 pm

Nonstop9h 50m

London Heathrow

Fri 3/13

4:00 pm-7:50 pm

Nonstop10h 50m

$651

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 3/9

9:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Sun 3/15

11:20 am-11:12 pm

1 stop18h 52m

$654

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 19 results
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Compare providers for flights from Las Vegas to Heathrow

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 Heathrow in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust 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 Las Vegas-London Heathrow Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Las Vegas-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Las Vegas-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Las Vegas-London Heathrow Airport 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 Las Vegas-London Heathrow Airport 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 Las Vegas to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Las Vegas to Heathrow. Price data was last updated on January 23, 2026.

The price you pay for your flight from Las Vegas to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 57 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 Las Vegas to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $539). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,022). 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 LHR?

Find hourly flight availability from Las Vegas to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 27, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Las Vegas to London Heathrow Airport as you normally would.

The best insider tips for Las Vegas to London Heathrow Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Las Vegas to London Heathrow Airport trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LHR and LAS

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.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with Delta, Virgin Atlantic, and American Airlines from Las Vegas to London Heathrow Airport 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.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Food

7.2

Boarding

8.1

Overall

7.9

Comfort

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    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 Heathrow. 9 airlines have flights from Harry Reid Intl to London Heathrow on a regular basis. Booking flights from Las Vegas Harry Reid Intl to London Heathrow should not be difficult; the airport handles an average of 7 outbound flights to London Heathrow per day.

  • How long is the flight from Las Vegas to London Heathrow Airport?

    Departing from Las Vegas to London Heathrow Airport will take you 9h 55m. There are 5213 mi between Las Vegas and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    According to our current data, Virgin Atlantic ($542), British Airways ($562), and American Airlines ($566) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Virgin Atlantic is currently priced 40% below the average price you’ll pay for this route.

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

    The cheapest airlines for a one-way flight from Las Vegas to London Heathrow Airport are United Airlines ($398), British Airways ($424), and Virgin Atlantic ($429).

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

    No one likes to see their flight delayed. When booking a flight from Las Vegas to London Heathrow Airport consider choosing KLM (95%), Delta (95%) or Virgin Atlantic (95%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Las Vegas to London Heathrow Airport? While on average our users pay $1,430, our data indicates the cheapest price to be $297. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $593.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Las Vegas to Heathrow 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 Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $539). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,022). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Northampton
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Las Vegas to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 9 airlines flying from Las Vegas to Heathrow

Discover the top 9 airlines that operate flights from Las Vegas to Heathrow. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$542Average$985FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$562Average$816FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$566Average$888FlexibilityNo cancel feeOn-time71%
IberiaCheapest$596Average$1,182FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$598Average$776FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$610Average$698FlexibilityNo cancel feeOn-time67%
DeltaCheapest$615Average$957FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$638Average$1,015FlexibilityNo cancel feeOn-time62%
FinnairCheapest$685Average$916FlexibilityNo cancel feeOn-time76%

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