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

United Airlines, at $652, was found to be the cheapest airline from London Heathrow Airport to Las Vegas.Alternate airlines to your destination round-trip include Finnair and Lufthansa. United Airlines is priced at 27% 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 $507. Aer Lingus flights start at $643 while deals on Lufthansa start at $745 one-way.

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

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

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 $552 on average our data indicates $1,766 when flying from London Heathrow Airport to Las Vegas.

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 most popular airlines that fly from London Heathrow Airport to Las Vegas?

American Airlines, British Airways and Delta are the most popular airlines when flying from London Heathrow Airport to Las Vegas.

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

Departing on a Monday is a good option for securing a great price. You can expect to save up to 15% when planning your travel around this day of the week.

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

To save up to 31% on this flight, we recommend booking at least 23 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Las Vegas from $744 1-2 weeks out and tickets from $907 for flights departing within the next 72 hours.

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

February is one of the best times of the year to fly to Las Vegas from London Heathrow Airport. Prices for February average $820 per person but you can even find prices for as low as $375. The most expensive prices can be found in the month of August. Opting for a February flight can save you 41% on your journey compared to booking in August

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.

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 8 flights from London Heathrow to Harry Reid Intl per day from 5 different airlines.

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.

$306+ Flights from London Heathrow Airport to Las Vegas

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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

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

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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 Tuesday or Wednesday and return on a Sunday

Cheap flight deals from Heathrow to Las Vegas

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$652 (United Airlines)
One-way from	$306 (Mytrip)
Popular in	August
Cheapest in	February
Average price	$797
Good round-trip deal	$928 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

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($107 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 March 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 March 26, 2025.

Fri 4/2511:25 amLHR - LAS

2 stops38h 36mUnited Airlines

Thu 5/811:30 amLAS - LHR

1 stop16h 50mUnited Airlines

Deal found 3/25

$652

Thu 5/18:05 pmLHR - LAS

2 stops34h 15mMultiple Airlines

Thu 5/158:14 amLAS - LHR

2 stops19h 36mMultiple Airlines

Deal found 3/25

$654

Mon 11/101:00 pmLHR - LAS

2 stops28h 22mAir Canada

Sat 11/1511:45 pmLAS - LHR

2 stops23h 25mAir Canada

Deal found 3/25

$670

Sun 5/1110:20 amLHR - LAS

2 stops19h 45mFinnair

Sat 5/1711:54 amLAS - LHR

1 stop25h 46mFinnair

Deal found 3/25

$680

Wed 4/236:30 amLHR - LAS

2 stops19h 36mLufthansa

Wed 4/301:00 pmLAS - LHR

1 stop12h 40mLufthansa

Deal found 3/25

$713

Fri 5/28:40 amLHR - LAS

1 stop16h 10mSWISS

Mon 5/122:20 pmLAS - LHR

1 stop14h 40mSWISS

Deal found 3/25

$720

Thu 5/17:30 pmLHR - LAS

2 stops30h 58mAustrian Airlines

Thu 5/87:00 amLAS - LHR

1 stop15h 20mAustrian Airlines

Deal found 3/25

$728

Tue 4/2912:25 pmLHR - LAS

1 stop18h 20mVirgin Atlantic

Tue 5/209:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 3/25

$736

Wed 4/232:25 pmLHR - LAS

1 stop14h 33mBritish Airways

Wed 4/301:55 pmLAS - LHR

1 stop12h 35mBritish Airways

Deal found 3/25

$752

Wed 12/38:25 amLHR - LAS

1 stop22h 04mJetBlue

Wed 12/107:00 amLAS - LHR

1 stop18h 30mJetBlue

Deal found 3/24

$763

Tue 4/225:20 pmLHR - LAS

Nonstop10h 40mAmerican Airlines

Tue 4/2910:06 amLAS - LHR

1 stop13h 59mAmerican Airlines

Deal found 3/26

$768

Mon 11/107:25 amLHR - LAS

1 stop25h 30mIcelandair

Sat 11/151:00 pmLAS - LHR

1 stop23h 45mIcelandair

Deal found 3/25

$780

Best flights from Heathrow to Las Vegas
Discover carefully curated flight deals from Heathrow to Las Vegas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 26, 2025.

Fri 4/2511:25 amLHR - LAS

2 stops38h 36mUnited Airlines

Wed 5/217:04 pmLAS - LHR

1 stop30h 36mUnited Airlines

Deal found 3/25

$652

Thu 5/18:05 pmLHR - LAS

2 stops34h 15mMultiple Airlines

Thu 5/158:14 amLAS - LHR

2 stops19h 36mMultiple Airlines

Deal found 3/25

$654

Sun 5/1110:20 amLHR - LAS

2 stops19h 45mFinnair

Sat 5/1711:54 amLAS - LHR

1 stop25h 46mFinnair

Deal found 3/25

$680

Wed 4/236:30 amLHR - LAS

2 stops19h 36mLufthansa

Wed 4/301:00 pmLAS - LHR

1 stop12h 40mLufthansa

Deal found 3/25

$713

Fri 5/28:40 amLHR - LAS

1 stop16h 10mSWISS

Mon 5/122:20 pmLAS - LHR

1 stop14h 40mSWISS

Deal found 3/25

$720

Thu 5/17:30 pmLHR - LAS

2 stops30h 58mAustrian Airlines

Thu 5/87:00 amLAS - LHR

1 stop15h 20mAustrian Airlines

Deal found 3/25

$728

Tue 4/2912:25 pmLHR - LAS

1 stop18h 20mVirgin Atlantic

Tue 5/209:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 3/25

$736

Tue 4/156:00 amLHR - LAS

2 stops24h 07mAir Canada

Wed 4/2311:10 pmLAS - LHR

2 stops26h 50mAir Canada

Deal found 3/25

$744

Wed 4/232:25 pmLHR - LAS

1 stop14h 33mBritish Airways

Wed 4/301:55 pmLAS - LHR

1 stop12h 35mBritish Airways

Deal found 3/25

$752

Tue 4/225:20 pmLHR - LAS

Nonstop10h 40mAmerican Airlines

Tue 4/2910:06 amLAS - LHR

1 stop13h 59mAmerican Airlines

Deal found 3/26

$768

Fri 5/25:30 pmLHR - LAS

Nonstop10h 40mIberia

Mon 5/1910:00 pmLAS - LHR

Nonstop10h 00mIberia

Deal found 3/25

$804

Last-minute flights from Heathrow to Las Vegas
Discover last-minute flight deals from Heathrow to Las Vegas. Data last updated March 26, 2025 and is based on user searches.

Mon 3/318:30 amLHR - LAS

1 stop21h 30mAir Canada

Mon 4/79:55 amLAS - LHR

3 stops27h 05mAir Canada

Deal found 3/25

$700

Mon 3/318:15 amLHR - LAS

1 stop20h 17mJetBlue

Mon 5/196:35 amLAS - LHR

1 stop18h 55mJetBlue

Deal found 3/25

$1,111

Mon 3/314:35 pmLHR - LAS

Nonstop10h 45mAir France

Sun 4/69:10 pmLAS - LHR

Nonstop9h 55mAir France

Deal found 3/25

$1,301

Tue 4/18:30 amLHR - LAS

1 stop21h 37mMultiple Airlines

Tue 4/87:00 amLAS - LHR

2 stops20h 50mMultiple Airlines

Deal found 3/26

$698

Tue 4/14:35 pmLHR - LAS

Nonstop10h 45mVirgin Atlantic

Mon 4/79:10 pmLAS - LHR

Nonstop9h 55mVirgin Atlantic

Deal found 3/25

$808

Tue 4/18:25 amLHR - LAS

2 stops24h 34mIcelandair

Sat 4/511:59 pmLAS - LHR

2 stops36h 46mIcelandair

Deal found 3/25

$1,003

Tue 4/15:20 pmLHR - LAS

Nonstop10h 40mBritish Airways

Tue 4/81:56 pmLAS - LHR

1 stop12h 34mBritish Airways

Deal found 3/26

$1,069

Tue 4/17:05 amLHR - LAS

3 stops22h 49mScandinavian Airlines

Mon 4/77:25 amLAS - LHR

2 stops25h 00mScandinavian Airlines

Deal found 3/25

$1,110

Thu 4/32:45 pmLHR - LAS

1 stop15h 00mFinnair

Mon 4/71:56 pmLAS - LHR

1 stop14h 19mFinnair

Deal found 3/25

$757

Fri 4/410:35 amLHR - LAS

2 stops21h 40mUnited Airlines

Fri 4/1111:43 amLAS - LHR

1 stop13h 57mUnited Airlines

Deal found 3/25

$755

Fri 4/412:25 pmLHR - LAS

1 stop17h 45mKLM

Wed 4/99:10 pmLAS - LHR

Nonstop9h 55mKLM

Deal found 3/25

$1,159

Sat 4/59:40 amLHR - LAS

1 stop21h 51mDelta

Sun 5/412:35 amLAS - LHR

1 stop22h 10mDelta

Deal found 3/25

$1,051

One-way flights from Heathrow to Las Vegas
Search for one-way flight options from Heathrow to Las Vegas. Find affordable one-way fares based on user searches. Data last updated March 26, 2025.

Sat 5/109:10 pmLHR - LAS

2 stops28h 25mMultiple Airlines

Deal found 3/25

$306

Tue 9/92:10 pmLHR - LAS

2 stops37h 27mWestJet

Deal found 3/25

$507

Thu 5/19:10 pmLHR - LAS

2 stops34h 33mAer Lingus

Deal found 3/25

$643

Wed 8/2711:25 amLHR - LAS

1 stop13h 24mLufthansa

Deal found 3/25

$745

Tue 4/152:25 pmLHR - LAS

1 stop14h 33mBritish Airways

Deal found 3/25

$784

Sun 4/2711:05 amLHR - LAS

1 stop15h 28mBrussels Airlines

Deal found 3/25

$828

Fri 4/1110:30 pmLHR - LAS

1 stop31h 50mAeromexico

Deal found 3/25

$846

Wed 5/285:20 pmLHR - LAS

Nonstop10h 40mIberia

Deal found 3/24

$848

Fri 4/185:30 pmLHR - LAS

Nonstop10h 40mFinnair

Deal found 3/25

$859

Tue 4/156:00 amLHR - LAS

2 stops20h 33mAustrian Airlines

Deal found 3/25

$911

Wed 8/271:45 pmLHR - LAS

2 stops27h 16mTAP AIR PORTUGAL

Deal found 3/25

$935

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 4/25

11:25 am-6:01 pm

2 stops38h 36m

Las Vegas Harry Reid Intl

Thu 5/8

11:30 am-12:20 pm

1 stop16h 50m

$652

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 5/1

8:05 pm-10:20 pm

2 stops34h 15m

Las Vegas Harry Reid Intl

Thu 5/15

8:14 am-11:50 am

2 stops19h 36m

$654

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 5/11

10:20 am-10:05 pm

2 stops19h 45m

Las Vegas Harry Reid Intl

Sat 5/17

11:54 am-9:40 pm

1 stop25h 46m

$680

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 4/23

6:30 am-6:06 pm

2 stops19h 36m

Las Vegas Harry Reid Intl

Wed 4/30

1:00 pm-9:40 am

1 stop12h 40m

$713

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 5/2

8:40 am-4:50 pm

1 stop16h 10m

Las Vegas Harry Reid Intl

Mon 5/12

2:20 pm-1:00 pm

1 stop14h 40m

$720

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 5/1

7:30 pm-6:28 pm

2 stops30h 58m

Las Vegas Harry Reid Intl

Thu 5/8

7:00 am-6:20 am

1 stop15h 20m

$728

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 4/29

12:25 pm-10:45 pm

1 stop18h 20m

Las Vegas Harry Reid Intl

Tue 5/20

9:10 pm-3:05 pm

Nonstop9h 55m

$736

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 4/15

6:00 am-10:07 pm

2 stops24h 07m

Las Vegas Harry Reid Intl

Wed 4/23

11:10 pm-10:00 am

2 stops26h 50m

$744

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 4/23

2:25 pm-8:58 pm

1 stop14h 33m

Las Vegas Harry Reid Intl

Wed 4/30

1:55 pm-10:30 am

1 stop12h 35m

$752

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 4/22

5:20 pm-8:00 pm

Nonstop10h 40m

Las Vegas Harry Reid Intl

Tue 4/29

10:06 am-8:05 am

1 stop13h 59m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 22 results

Compare providers for flights from Heathrow to Las Vegas

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
oojo	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
Mytrip	Price Accuracy3 stars	Trust 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 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?

The best time to book flights from London Heathrow Airport to Las Vegas is 10 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?

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.

Rainfall in Las Vegas 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

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

Read through reviews of airlines operating flights from London to Las Vegas, such as Finnair, Austrian Airlines and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Finnair

7.6

Good

1,266 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Finnair

7.6

Good

1,266 reviews

Finnair

7.6

Good

1,266 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Austrian Airlines

7.5

Good

769 reviews

Finnair

7.6

Good

1,266 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

SWISS

7.5

Good

1,569 reviews

Finnair

7.6

Good

1,266 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Aeromexico

7.5

Good

1,701 reviews

Finnair

7.6

Good

1,266 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

United Airlines

7.4

Good

8,608 reviews

Finnair

7.6

Good

1,266 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Sep 2023

BRU - HEL

Seats were small, but comfortable enough. It was only a smaller plane for the short flight to Tromsö.

Related info for your journey

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 8 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?
United Airlines, at $652, was found to be the cheapest airline from London Heathrow Airport to Las Vegas.Alternate airlines to your destination round-trip include Finnair and Lufthansa. United Airlines is priced at 27% 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 $507. Aer Lingus flights start at $643 while deals on Lufthansa start at $745 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 $552 on average our data indicates $1,766 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

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Other flights to Las Vegas

Top 5 airlines flying from Heathrow to Las Vegas

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$616	Average$898	FlexibilityNo cancel fee	On-time71%
British Airways	Cheapest$667	Average$831	FlexibilityNo cancel fee	On-time70%
Iberia	Cheapest$680	Average$985	FlexibilityNo cancel fee	On-time77%
Delta	Cheapest$693	Average$910	FlexibilityNo cancel fee	On-timeN/A
Virgin Atlantic	Cheapest$713	Average$946	FlexibilityNo cancel fee	On-time72%

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$306+ 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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Heathrow to Las Vegas with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

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 Tuesday or Wednesday and return on a Sunday

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Find flight deals from Heathrow to Las Vegas

Cheapest flights from Heathrow to Las VegasExplore 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 March 26, 2025.

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 March 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

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 March.

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.

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 March 21, 2025.

What is the cheapest month to book a flight from London Heathrow Airport to Las Vegas?

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 March 26, 2025.

Rainfall in Las Vegas by month

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

Temperature in Las Vegas by month

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

Reviews of airlines servicing Las Vegas

Read through reviews of airlines operating flights from London to Las Vegas, such as Finnair, Austrian Airlines and SWISS. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

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

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

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

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

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

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

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

What is the cheapest month to book a flight from London Heathrow Airport to Las Vegas?

Traveling to a place near London Heathrow Airport?

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Alternative routes for Heathrow to Las Vegas

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Top 5 airlines flying from Heathrow to Las Vegas

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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 March 26, 2025.