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$333+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
Apr 20 — Apr 271
Sun 4/20
Sun 4/27
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”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from London Heathrow to Las Vegas Harry Reid Intl are usually found in February or January, booked 53 days in advance, depart on a Wednesday or Friday and return on a Sunday

Cheap 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 April 15, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$678
(Global Flight Catchers)

One-way from

$333
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$928

Good round-trip deal

$951 or less

Good one-way deal

$521 or less
Provider with most accurate pricing for London Heathrow-Las Vegas Harry Reid Intl flight deals.
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Provider most trusted by Cheapflights users for London Heathrow-Las Vegas Harry Reid Intl flights.
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From London Heathrow to Las Vegas Harry Reid Intl
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One-way flight from London Heathrow to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 10% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from London Heathrow to Las Vegas Harry Reid Intl.
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Price to beat on a one-way flight from London Heathrow to Las Vegas Harry Reid Intl.
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Find 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 April 15, 2025.

This Global Flight Catchers 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 Global Flight Catchers is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/3011:25 amLHR - LAS
1 stop13h 49mLufthansa
Mon 5/1910:46 amLAS - LHR
1 stop16h 24mLufthansa
Deal found 4/14$678
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2911:40 amLHR - LAS
1 stop17h 31mMultiple Airlines
Wed 5/712:42 pmLAS - LHR
1 stop17h 53mMultiple Airlines
Deal found 4/13$681
This The Travel House deal was found by Cheapflights users on 4/15. 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.
Thu 9/42:10 pmLHR - LAS
1 stop17h 38mAir Canada
Mon 9/86:00 amLAS - LHR
2 stops18h 35mAir Canada
Deal found 4/15$684
This United Airlines 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/911:25 amLHR - LAS
2 stops20h 34mUnited Airlines
Sat 5/1012:59 amLAS - LHR
1 stop22h 41mUnited Airlines
Deal found 4/14$704
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/122:45 pmLHR - LAS
1 stop16h 42mFinnair
Fri 5/1611:54 amLAS - LHR
1 stop25h 46mFinnair
Deal found 4/14$709
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.
Thu 5/18:05 pmLHR - LAS
1 stop28h 45mSWISS
Mon 5/197:20 pmLAS - LHR
1 stop14h 30mSWISS
Deal found 4/14$731
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.
Mon 4/2111:40 amLHR - LAS
1 stop14h 41mBritish Airways
Fri 5/210:18 amLAS - LHR
1 stop13h 02mBritish Airways
Deal found 4/14$732
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/145:20 pmLHR - LAS
Nonstop10h 40mIberia
Wed 5/212:30 pmLAS - LHR
1 stop17h 35mIberia
Deal found 4/14$736
This EaseMyTrip 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/64:35 pmLHR - LAS
Nonstop10h 45mVirgin Atlantic
Sun 5/1111:20 pmLAS - LHR
1 stop23h 05mVirgin Atlantic
Deal found 4/14$739
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/144:35 pmLHR - LAS
Nonstop10h 45mAir France
Wed 5/219:10 pmLAS - LHR
Nonstop9h 55mAir France
Deal found 4/14$752
This Austrian Airlines 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/294:40 pmLHR - LAS
1 stop35h 34mAustrian Airlines
Thu 5/87:00 amLAS - LHR
1 stop17h 20mAustrian Airlines
Deal found 4/14$769
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/138:15 amLHR - LAS
1 stop22h 30mIcelandair
Fri 5/1611:55 pmLAS - LHR
2 stops46h 35mIcelandair
Deal found 4/14$784

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 April 15, 2025.
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

Wed 4/30

11:25 am-5:14 pm

1 stop13h 49m

Las Vegas Harry Reid Intl

Mon 5/19

10:46 am-11:10 am

1 stop16h 24m

$678

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 4/29

11:40 am-9:11 pm

1 stop17h 31m

Las Vegas Harry Reid Intl

Wed 5/7

12:42 pm-2:35 pm

1 stop17h 53m

$681

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 9/4

9:30 am-10:27 am

1 stop32h 57m

Las Vegas Harry Reid Intl

Mon 9/8

6:00 am-9:35 am

2 stops19h 35m

$684

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 5/9

11:25 am-11:59 pm

2 stops20h 34m

Las Vegas Harry Reid Intl

Sat 5/10

12:59 am-7:40 am

1 stop22h 41m

$704

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 5/12

2:45 pm-11:27 pm

1 stop16h 42m

Las Vegas Harry Reid Intl

Fri 5/16

11:54 am-9:40 pm

1 stop25h 46m

$709

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 5/1

8:05 pm-4:50 pm

1 stop28h 45m

Las Vegas Harry Reid Intl

Mon 5/19

7:20 pm-5:50 pm

1 stop14h 30m

$731

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 5/14

5:20 pm-8:00 pm

Nonstop10h 40m

Las Vegas Harry Reid Intl

Wed 5/21

2:30 pm-4:05 pm

1 stop17h 35m

$736

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 4/28

7:30 pm-8:14 pm

2 stops32h 44m

Las Vegas Harry Reid Intl

Wed 5/7

8:25 am-6:55 am

1 stop14h 30m

$737

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 5/6

4:35 pm-7:20 pm

Nonstop10h 45m

Las Vegas Harry Reid Intl

Sun 5/11

11:20 pm-6:25 am

1 stop23h 05m

$739

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 5/14

4:35 pm-7:20 pm

Nonstop10h 45m

Las Vegas Harry Reid Intl

Wed 5/21

9:10 pm-3:05 pm

Nonstop9h 55m

$752

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/14

Showing 1-10 of 24 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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
MytripPrice 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 London Heathrow Airport-Las Vegas flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on London Heathrow Airport-Las Vegas flight deals on Cheapflights vs. AranGrant >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 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 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 April 11, 2025.

The best time to book flights from London Heathrow Airport to Las Vegas is 53 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of $198). Flying from London Heathrow Airport to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from 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 April 15, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 9% on flights from London Heathrow Airport to Las Vegas by exploring options for tickets at noon.

Weekly flight availability from London Heathrow Airport to Las Vegas

Explore weekly flight availability from Heathrow to Las Vegas. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 15, 2025.

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

Rainfall in Las Vegas by month

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

In terms of precipitation, rainfall in Las Vegas ranges from 0.1 - 0.8 inches per month. February is typically the wettest month, when rainfall can reach 0.8 in. May is typically the driest time to visit Las Vegas when rainfall is around 0.1 in.

Temperature in Las Vegas by month

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

If weather is an important factor for your trip to Las Vegas, 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 93.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

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 April 15, 2025.
Read through reviews of airlines operating flights from London to Las Vegas, such as Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,323 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,433 reviews
Delta
8.0
Very good
7,917 reviews

Crew

8.5

Food

7.3

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 5 different airlines.

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

    Lufthansa, at $678, was found to be the cheapest airline from London Heathrow Airport to Las Vegas.Alternate airlines to your destination round-trip include Air Canada and United Airlines. Lufthansa is priced at 24% 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 $508. Aer Lingus flights start at $639 while deals on Lufthansa start at $718 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 KLM (94%), Air France (88%) and Delta (88%).

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

    Looking at all options, your cheapest flight can be booked for $521. While the most popular route (London Heathrow - Las Vegas Harry Reid Intl) can be booked for $524 on average our data indicates $1,751 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, August is the cheapest month in which you can book a flight from London Heathrow Airport to Las Vegas (average of $198). Flying from London Heathrow Airport to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London Heathrow Airport?

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

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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
Luton to Las Vegas flights
Stansted to Las Vegas flights
Heathrow to Reno flights

Top 5 airlines flying from Heathrow to Las Vegas

Discover the top 5 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 April 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$616Average$898FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$667Average$839FlexibilityNo cancel feeOn-time70%
IberiaCheapest$680Average$985FlexibilityNo cancel feeOn-time77%
DeltaCheapest$693Average$921FlexibilityNo cancel feeOn-timeN/A
Virgin AtlanticCheapest$714Average$936FlexibilityNo cancel feeOn-time72%

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