Las Vegas

$399+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — LAS
Jul 6 — Jul 131
We work with more than 300 partners to bring you better travel deals

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Tuesday and return on a Monday

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 July 1, 2025.

Round-trip from

$720
(Kiwi.com)

One-way from

$399
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$1,021

Good round-trip deal

$872 or less

Good one-way deal

$521 or less
From London Heathrow to Las Vegas Harry Reid Intl
One-way flight from London Heathrow to Las Vegas Harry Reid Intl
Highest demand for flights based on searches. 10% potential increase in price ($102 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from London Heathrow to Las Vegas Harry Reid Intl.
Price to beat on a one-way flight from London Heathrow to Las Vegas Harry Reid Intl.

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 July 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/29. 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 9/1710:45 amLHR - LAS
1 stop16h 13mMultiple Airlines
Sun 9/286:10 amLAS - LHR
1 stop20h 45mMultiple Airlines
Deal found 6/29$720
This JetBlue deal was found by Cheapflights users on 6/30. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:15 amLHR - LAS
1 stop20h 57mJetBlue
Wed 9/247:00 amLAS - LHR
1 stop18h 30mJetBlue
Deal found 6/30$734
This The Travel House deal was found by Cheapflights users on 7/1. 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.
Sat 9/68:30 amLHR - LAS
2 stops19h 54mLufthansa
Sat 9/203:50 pmLAS - LHR
1 stop31h 35mLufthansa
Deal found 7/1$735
This Booking.com deal was found by Cheapflights users on 6/30. 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.
Fri 9/199:30 amLHR - LAS
1 stop33h 07mAir Canada
Mon 9/227:25 amLAS - LHR
2 stops18h 10mAir Canada
Deal found 6/30$743
This The Travel House deal was found by Cheapflights users on 6/30. 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 9/158:15 amLHR - LAS
2 stops46h 13mIcelandair
Mon 9/2911:59 pmLAS - LHR
1 stop12h 46mIcelandair
Deal found 6/30$744
This Trip.com deal was found by Cheapflights users on 7/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:55 amLHR - LAS
2 stops20h 00mDelta
Sat 10/119:25 amLAS - LHR
1 stop15h 25mDelta
Deal found 7/1$759
This SWISS deal was found by Cheapflights users on 6/30. 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.
Sun 8/248:05 pmLHR - LAS
1 stop28h 30mSWISS
Sat 9/137:05 pmLAS - LHR
1 stop28h 50mSWISS
Deal found 6/30$771

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 July 1, 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 9/17

10:45 am-6:58 pm

1 stop16h 13m

Las Vegas Harry Reid Intl

Sun 9/28

6:10 am-10:55 am

1 stop20h 45m

$720

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 9/17

8:15 am-9:12 pm

1 stop20h 57m

Las Vegas Harry Reid Intl

Wed 9/24

7:00 am-9:30 am

1 stop18h 30m

$734

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 9/6

8:30 am-8:24 pm

2 stops19h 54m

Las Vegas Harry Reid Intl

Sat 9/20

3:50 pm-7:25 am

1 stop31h 35m

$735

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 9/19

9:30 am-10:37 am

1 stop33h 07m

Las Vegas Harry Reid Intl

Mon 9/22

7:25 am-9:35 am

2 stops18h 10m

$743

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 9/15

8:15 am-10:28 pm

2 stops46h 13m

Las Vegas Harry Reid Intl

Mon 9/29

11:59 pm-8:45 pm

1 stop12h 46m

$744

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 10/8

9:55 am-9:55 pm

2 stops20h 00m

Las Vegas Harry Reid Intl

Sat 10/11

9:25 am-8:50 am

1 stop15h 25m

$759

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 8/24

8:05 pm-4:35 pm

1 stop28h 30m

Las Vegas Harry Reid Intl

Thu 9/11

7:05 pm-9:45 pm

1 stop18h 40m

$771

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 12/6

8:50 pm-5:16 pm

3 stops52h 26m

$399

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 12/3

2:50 pm-8:19 pm

2 stops37h 29m

$519

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 9/11

8:15 am-6:02 pm

1 stop17h 47m

$535

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 11 results
1
2

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

At Heathrow, allow extra time for strict security checks. Ensure all liquids are in one small bag to avoid delays.

Read more about LHRby Ramsey Qubein
LAS

For a quick exit from LAS, wait to request rideshare until near the parking garage, avoiding a long, hot walk.

Read more about LASby 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

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 June 27, 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 July 1, 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 July 1, 2025.

The most flights from LHR to LAS are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (5 on average).

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 July 1, 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Las Vegas, such as Delta, SWISS, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 7 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?

    JetBlue, at $730, was found to be the cheapest airline from London Heathrow Airport to Las Vegas.Alternate airlines to your destination round-trip include Lufthansa and Air Canada. JetBlue is priced at 18% 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 $519. JetBlue flights start at $528 while deals on Icelandair start at $557 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 (88%), 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 $625 on average our data indicates $1,085 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
Sunrise Manor
North Las Vegas
Winchester
Primm
Mount Charleston
Kingman
Mesquite
Needles
Boulder City

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Las Vegas

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

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 July 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$616Average$879FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$667Average$859FlexibilityNo cancel feeOn-time70%
DeltaCheapest$693Average$874FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$706Average$1,337FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$707Average$931FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.