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$431+ Cheap flights from Heathrow (LHR) 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Find cheap flights from Heathrow to Las Vegas 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”

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Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in January or February, booked 67 days in advance, depart on a Wednesday or Monday and return on a Wednesday

Cheap flight deals from Heathrow to Las Vegas

Cheapest flights from Heathrow to Las Vegas
Explore the most affordable flight options available from Heathrow to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/118:40 am
LHR
-
LAS
2 stops20h 21m
SWISS
Tue 5/2610:46 am
LAS
-
LHR
1 stop15h 24m
SWISS
Deal found 1/27$587
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.
Fri 2/62:30 pm
LHR
-
LAS
1 stop33h 29m
Air Canada
Sat 2/144:45 pm
LAS
-
LHR
1 stop35h 05m
Air Canada
Deal found 1/27$588
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.
Fri 2/62:30 pm
LHR
-
LAS
1 stop15h 57m
Air Canada
Wed 2/1110:44 am
LAS
-
LHR
2 stops17h 06m
Air Canada
Deal found 1/27$589
This Kiwi.com deal was found by Cheapflights users on 1/28. 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.
Tue 2/1710:25 am
LHR
-
LAS
1 stop15h 29m
Multiple Airlines
Sat 2/288:41 am
LAS
-
LHR
1 stop13h 59m
Multiple Airlines
Deal found 1/28$590
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2812:00 pm
LHR
-
LAS
1 stop13h 30m
British Airways
Wed 5/611:51 am
LAS
-
LHR
1 stop19h 34m
British Airways
Deal found 1/27$591
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.
Tue 3/102:30 pm
LHR
-
LAS
1 stop14h 57m
Air Canada
Sun 3/1512:30 pm
LAS
-
LHR
1 stop35h 40m
Air Canada
Deal found 1/27$592
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.
Sun 2/151:45 pm
LHR
-
LAS
2 stops18h 10m
United Airlines
Sat 2/217:45 am
LAS
-
LHR
1 stop15h 40m
United Airlines
Deal found 1/26$593
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:05 pm
LHR
-
LAS
1 stop16h 18m
United Airlines
Mon 3/210:52 am
LAS
-
LHR
1 stop13h 03m
United Airlines
Deal found 1/27$594
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 2/111:25 pm
LHR
-
LAS
2 stops34h 34m
Air Canada
Tue 2/179:00 am
LAS
-
LHR
1 stop14h 10m
Air Canada
Deal found 1/27$595
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:30 am
LHR
-
LAS
2 stops17h 53m
United Airlines
Thu 4/166:00 am
LAS
-
LHR
1 stop21h 35m
United Airlines
Deal found 1/27$596
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.
Fri 2/62:30 pm
LHR
-
LAS
1 stop15h 57m
Multiple Airlines
Sat 2/147:05 am
LAS
-
LHR
2 stops15h 25m
Multiple Airlines
Deal found 1/27$597
This Kiwi.com deal was found by Cheapflights users on 1/29. 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.
Wed 3/1110:15 am
LHR
-
LAS
1 stop15h 43m
Finnair
Wed 3/2512:39 pm
LAS
-
LHR
1 stop14h 01m
Finnair
Deal found 1/29$598

Find flight deals from Heathrow to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$587
(The Travel House)

One-way from

$431
(Kiwi.com)

Popular in

August

Cheapest in

January

Average price

$759

Good round-trip deal

$568 or less

Good one-way deal

$726 or less
Provider with most accurate pricing for London Heathrow-Las Vegas Harry Reid Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Las Vegas Harry Reid Intl flights.
Search Deals
From London Heathrow to Las Vegas Harry Reid Intl
Search Deals
One-way flight from London Heathrow to Las Vegas Harry Reid Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Las Vegas Harry Reid Intl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Las Vegas Harry Reid Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow 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 January 29, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

Fly from

Heathrow

Fly to

Las Vegas

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 2/20

10:25 am-10:02 pm

1 stop19h 37m

Las Vegas Harry Reid Intl

Fri 3/6

6:40 pm-9:40 am

1 stop31h 00m

$594

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 3/11

4:00 pm-7:50 pm

Nonstop10h 50m

Las Vegas Harry Reid Intl

Wed 3/25

9:45 pm-2:40 pm

Nonstop9h 55m

$613

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 3/3

8:55 am-6:56 pm

1 stop18h 01m

Las Vegas Harry Reid Intl

Tue 3/31

1:20 pm-11:00 am

1 stop13h 40m

$620

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 3/4

8:55 am-5:37 pm

1 stop16h 42m

Las Vegas Harry Reid Intl

Tue 3/31

5:56 pm-3:00 pm

1 stop13h 04m

$620

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 2/11

1:00 pm-8:37 pm

1 stop15h 37m

Las Vegas Harry Reid Intl

Mon 3/2

9:35 am-7:05 am

1 stop13h 30m

$622

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 5/22

11:25 am-8:19 pm

1 stop16h 54m

Las Vegas Harry Reid Intl

Tue 5/26

7:10 am-5:55 am

1 stop14h 45m

$628

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 4/14

2:30 pm-11:06 pm

1 stop16h 36m

Las Vegas Harry Reid Intl

Tue 4/21

11:35 am-10:20 am

1 stop14h 45m

$636

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 3/2

4:00 pm-6:50 pm

Nonstop10h 50m

Las Vegas Harry Reid Intl

Mon 3/16

9:45 pm-2:40 pm

Nonstop9h 55m

$651

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 5/16

5:25 pm-8:10 pm

Nonstop10h 45m

Las Vegas Harry Reid Intl

Wed 5/20

10:00 pm-3:55 pm

Nonstop9h 55m

$660

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 5/16

5:25 pm-8:10 pm

Nonstop10h 45m

Las Vegas Harry Reid Intl

Wed 5/20

7:50 pm-5:35 pm

1 stop13h 45m

$660

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 22 results
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Compare providers for flights from Heathrow to Las Vegas

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Las Vegas in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
CheapflightsfaresPrice Accuracy1 starTrust Score*2 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Thrive TravelPrice 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 London Heathrow Airport-Las Vegas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Las Vegas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Las Vegas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Las Vegas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Las Vegas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Las Vegas

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

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

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

The best time to book flights from London Heathrow Airport to Las Vegas is 67 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 Heathrow Airport to Las Vegas?

Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of $588). Flying from London Heathrow Airport to Las Vegas in August is currently the most expensive (average of $701). 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 LHR to LAS?

Find hourly flight availability from Heathrow 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 January 29, 2026.

When flying from London Heathrow Airport to Las Vegas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

Read more

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 January 29, 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Las Vegas, such as Delta, Virgin Atlantic, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

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.
Delta
7.9
Good
8,127 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

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.
Virgin Atlantic
7.5
Good
678 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

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.
American Airlines
7.2
Good
11,206 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

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.
British Airways
6.7
Okay
7,705 reviews
Delta
7.9
Good
8,127 reviews

Food

7.2

Boarding

8.1

Comfort

7.9

Overall

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 Heathrow 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 Heathrow?

    If you book a flight to Las Vegas from London Heathrow, you will be flying to Harry Reid Intl, which is the city’s only airport. Las Vegas Harry Reid Intl (LAS) is located 6.2 mi from the center of Las Vegas. There are 9 flights from London Heathrow to Harry Reid Intl per day from 4 different airlines.

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

    There are many flights that can get you from London Heathrow Airport to Las Vegas in 10h 50m. Fly via United Airlines, KLM, or Delta to get the fastest option. Airlines will cover a distance of 5213 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Delta, at $600, was found to be the cheapest airline from London Heathrow Airport to Las Vegas.Alternate airlines to your destination round-trip include Virgin Atlantic and American Airlines. Delta is priced at 31% lower than the current average price of a flight leaving 3 months from now.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $445. Aer Lingus flights start at $499 while deals on American Airlines start at $606 one-way.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Las Vegas are Aer Lingus (83%), British Airways (83%) and American Airlines (78%).

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

    Looking at all options, your cheapest flight can be booked for $528. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for $434 on average, our data indicates $1,461 when flying from London Heathrow Airport to Las Vegas.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of $588). Flying from London Heathrow Airport to Las Vegas in August is currently the most expensive (average of $701). 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
Paradise
Henderson
North Las Vegas
Kingman
Winchester
Primm
Mesquite
Boulder City
Needles
Sunrise Manor

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Las Vegas

See prices for flight routes from nearby airports that may be better suited for you.
Gatwick to Las Vegas flights
London City to Las Vegas flights
Stansted to Las Vegas flights
Luton to Las Vegas flights
Heathrow to Reno flights

Top 4 airlines flying from Heathrow to Las Vegas

Discover the top 4 airlines that operate flights from Heathrow 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$600Average$930FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$651Average$1,056FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$652Average$1,072FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$692Average$1,048FlexibilityNo cancel feeOn-time70%

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