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$286+ 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 11/20. Fares are subject to change and may not be available on all flights or dates of travel.
LAS — LHR
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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Find cheap flights from Las Vegas to Heathrow with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Las Vegas Harry Reid Intl to London Heathrow are usually found in January or February, booked 64 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap 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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(eDestinos)

One-way from

$286
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$759

Good round-trip deal

$700 or less

Good one-way deal

$526 or less
Provider with most accurate pricing for Las Vegas Harry Reid Intl-London Heathrow flight deals.
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Provider most trusted by Cheapflights users for Las Vegas Harry Reid Intl-London Heathrow flights.
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From Las Vegas Harry Reid Intl to London Heathrow
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One-way flight from Las Vegas Harry Reid Intl to London Heathrow
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Highest demand for flights based on searches. 24% potential increase in price ($290 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Las Vegas Harry Reid Intl to London Heathrow.
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Price to beat on a one-way flight from Las Vegas Harry Reid Intl to London Heathrow.
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Find 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 October 20, 2025.

This Rumbo deal was found by Cheapflights users on 10/19. 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 Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:10 pmLAS - LHR
Nonstop9h 55mVirgin Atlantic
Tue 11/44:00 pmLHR - LAS
Nonstop10h 50mVirgin Atlantic
Deal found 10/19$561
This Booking.com deal was found by Cheapflights users on 10/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/209:10 pmLAS - LHR
Nonstop9h 55mVirgin Atlantic
Mon 11/311:45 amLHR - LAS
1 stop34h 30mVirgin Atlantic
Deal found 10/20$562
This CheapOair deal was found by Cheapflights users on 10/19. 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.
Tue 10/288:35 pmLAS - LHR
1 stop13h 15mAer Lingus
Tue 11/48:50 amLHR - LAS
1 stop17h 00mAer Lingus
Deal found 10/19$563
This Booking.com deal was found by Cheapflights users on 10/18. 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.
Tue 12/28:45 pmLAS - LHR
Nonstop9h 55mVirgin Atlantic
Tue 12/94:00 pmLHR - LAS
Nonstop10h 50mVirgin Atlantic
Deal found 10/18$564
This Gotogate deal was found by Cheapflights users on 10/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/199:10 amLAS - LHR
1 stop14h 00mAir Canada
Wed 11/266:50 amLHR - LAS
2 stops21h 59mAir Canada
Deal found 10/20$574
This lastminute.com deal was found by Cheapflights users on 10/18. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:00 pmLAS - LHR
1 stop14h 15mVirgin Atlantic
Wed 10/2912:30 pmLHR - LAS
1 stop15h 30mVirgin Atlantic
Deal found 10/18$575
This Booking.com deal was found by Cheapflights users on 10/18. 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.
Sun 10/199:10 pmLAS - LHR
Nonstop9h 55mVirgin Atlantic
Tue 11/44:00 pmLHR - LAS
Nonstop10h 50mVirgin Atlantic
Deal found 10/18$578
This Delta deal was found by Cheapflights users on 10/18. 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.
Wed 12/38:45 pmLAS - LHR
Nonstop9h 55mDelta
Tue 12/96:30 amLHR - LAS
1 stop15h 45mDelta
Deal found 10/18$579
This Delta deal was found by Cheapflights users on 10/19. 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.
Tue 11/188:45 pmLAS - LHR
Nonstop9h 55mDelta
Thu 11/278:40 amLHR - LAS
1 stop13h 35mDelta
Deal found 10/19$580
This KLM deal was found by Cheapflights users on 10/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:35 amLAS - LHR
1 stop12h 30mKLM
Tue 11/46:30 amLHR - LAS
1 stop15h 45mKLM
Deal found 10/19$581

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 October 20, 2025.
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 12/3

8:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Tue 12/9

6:30 am-2:15 pm

1 stop15h 45m

$579

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 11/18

11:59 am-10:15 am

1 stop14h 16m

London Heathrow

Tue 11/25

6:30 am-2:15 pm

1 stop15h 45m

$583

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 11/5

11:35 am-8:45 am

1 stop13h 10m

London Heathrow

Thu 2/5

6:30 am-2:15 pm

1 stop15h 45m

$584

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 11/4

12:35 am-7:05 am

1 stop22h 30m

London Heathrow

Thu 2/5

8:40 am-2:15 pm

1 stop13h 35m

$584

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 11/18

8:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Tue 12/9

4:00 pm-6:50 pm

Nonstop10h 50m

$586

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 1/22

9:10 am-9:40 pm

2 stops28h 30m

London Heathrow

Tue 1/27

6:40 am-9:13 pm

2 stops22h 33m

$594

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 2/8

3:20 pm-2:00 pm

1 stop14h 40m

London Heathrow

Tue 2/17

4:05 pm-6:50 pm

Nonstop10h 45m

$594

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 2/8

11:36 pm-9:20 am

2 stops25h 44m

London Heathrow

Tue 2/17

6:40 am-9:13 pm

2 stops22h 33m

$595

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 3/10

7:05 am-6:50 pm

3 stops28h 45m

London Heathrow

Tue 3/17

10:20 am-10:44 pm

2 stops19h 24m

$606

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 4/18

7:05 pm-12:05 pm

1 stop33h 00m

$293

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Showing 1-10 of 16 results
1
2

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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
oojoPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 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 October 17, 2025.

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 64 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, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $461). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,027). 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 October 20, 2025.

It’s typically best to fly out from Las Vegas to London Heathrow Airport in the morning. Doing so could potentially save you 22% on the flight price compared to flying in the evening, which is usually more expensive.

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

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

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

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

Las Vegas Airport offers a self-service TSA screening trial, simplifying security with video instructions. Ideal for frequent travelers familiar with the process.

Read more about LASby Ramsey Qubein
LHR

For quick access to London, take the Heathrow Express to Paddington Station. It's the fastest way into the city from Heathrow.

Read more about LHRby 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

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 October 20, 2025.
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.
Delta
7.9
Good
7,977 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,977 reviews
Delta
7.9
Good
7,977 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Virgin Atlantic
7.5
Good
670 reviews
Delta
7.9
Good
7,977 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,024 reviews
Delta
7.9
Good
7,977 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Iberia
7.0
Good
2,996 reviews
Delta
7.9
Good
7,977 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,461 reviews
Delta
7.9
Good
7,977 reviews

Overall

7.9

Food

7.3

Boarding

8.2

Entertainment

7.9

Crew

8.5

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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. 10 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 8 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, Air Canada ($502), Virgin Atlantic ($543), and British Airways ($566) offers the cheapest pricing from Las Vegas to London Heathrow Airport. Air Canada is currently priced 44% below the average price you’ll pay for this route.

  • 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 Finnair (78%), Iberia (78%) or KLM (73%) 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 $1,382, our data indicates the cheapest price to be $433. The most popular route (Las Vegas Harry Reid Intl - London Heathrow), is priced around $512.

  • 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, January is the cheapest month in which you can book a flight from Las Vegas to London Heathrow Airport (average of $461). Flying from Las Vegas to London Heathrow Airport in June is currently the most expensive (average of $1,027). 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
Hounslow
Hayes
Ilford
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Northampton
Gatwick
Borehamwood
Broadway
Aylesbury
Bedford
Chipping Norton
Wembley

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.
Las Vegas to Gatwick flights
Las Vegas to London City flights
Las Vegas to Stansted flights
Reno to Heathrow flights
Reno to Gatwick flights
Las Vegas to Luton flights
Reno to London City flights

Top 10 airlines flying from Las Vegas to Heathrow

Discover the top 10 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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$502Average$698FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$543Average$980FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$566Average$887FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$581Average$746FlexibilityNo cancel feeOn-time69%
DeltaCheapest$616Average$961FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$661Average$1,091FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$671Average$922FlexibilityNo cancel feeOn-time71%
FinnairCheapest$685Average$916FlexibilityNo cancel feeOn-time76%
JetBlueCheapest$745Average$1,052FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$962Average$1,310FlexibilityNo cancel feeOn-timeN/A

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