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Cheap flights from Las Vegas to London from $214

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to London departing on 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Las Vegas to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:25 am - 6:55 amLAS-LHR
15h 30m1 stop
Delta Logo
4:00 pm - 6:50 pmLHR-LAS
10h 50mnonstop
$587Delta
Find Deal
Tue, Dec 2 - Tue, Dec 9
Delta Logo
9:00 am - 6:25 amLAS-LHR
13h 25m1 stop
Delta Logo
6:30 am - 2:15 pmLHR-LAS
15h 45m1 stop
$589Delta
Find Deal
Wed, Feb 11 - Thu, Feb 19
American Airlines Logo
8:00 pm - 2:00 pmLAS-LHR
10h 00mnonstop
American Airlines Logo
2:10 pm - 9:48 pmLHR-LAS
15h 38m1 stop
$592American Airlines
Find Deal
Mon, Jan 5 - Tue, Jan 20
Delta Logo
1:55 pm - 10:55 amLAS-LHR
13h 00m1 stop
Delta Logo
4:00 pm - 6:50 pmLHR-LAS
10h 50mnonstop
$593Delta
Find Deal
Sun, Feb 8 - Fri, Feb 20
Virgin Atlantic Logo
10:55 pm - 4:50 pmLAS-LHR
9h 55mnonstop
Virgin Atlantic Logo
8:40 am - 2:15 pmLHR-LAS
13h 35m1 stop
$594Virgin Atlantic
Find Deal
Mon, Jan 5 - Tue, Jan 20
American Airlines Logo
8:00 pm - 2:00 pmLAS-LHR
10h 00mnonstop
American Airlines Logo
9:55 am - 5:43 pmLHR-LAS
15h 48m1 stop
$595American Airlines
Find Deal
Mon, Jan 5 - Tue, Jan 20
Virgin Atlantic Logo
10:55 pm - 4:50 pmLAS-LHR
9h 55mnonstop
Virgin Atlantic Logo
6:30 am - 2:15 pmLHR-LAS
15h 45m1 stop
$596Virgin Atlantic
Find Deal
Mon, Jan 5 - Tue, Jan 20
United Airlines Logo
12:59 am - 7:30 amLAS-LHR
22h 31m1 stop
United Airlines Logo
10:25 am - 6:08 pmLHR-LAS
15h 43m1 stop
$597United Airlines
Find Deal
Sun, Dec 7 - Thu, Dec 18
Scandinavian Airlines Logo
9:40 am - 5:40 pmLAS-LHR
24h 00m2 stops
Scandinavian Airlines Logo
10:20 am - 11:13 pmLHR-LAS
20h 53m2 stops
$599Scandinavian Airlines
Find Deal
Wed, Feb 4 - Sun, Feb 22
United Airlines Logo
11:01 am - 7:55 amLAS-LHR
12h 54m1 stop
United Airlines Logo
6:50 am - 6:30 pmLHR-LAS
19h 40m2 stops
$600United Airlines
Find Deal
Wed, Jan 7 - Wed, Jan 14

Virgin Atlantic flights from Las Vegas to London Heathrow Airport

Our best Virgin Atlantic deals on Las Vegas to London Heathrow Airport flight tickets
Virgin Atlantic
Jan 5
LAS10:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR4:50 pmLondon Heathrow
Jan 20
LHR8:40 amLondon Heathrow
13h 35m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
$594
Find similar
Virgin Atlantic
Jan 5
LAS10:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR4:50 pmLondon Heathrow
Jan 20
LHR6:30 amLondon Heathrow
15h 45m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
$596
Find similar
Virgin Atlantic
Jan 1
LAS10:17 amLas Vegas Harry Reid Intl
12h 48m
1 stop
LHR7:05 amLondon Heathrow
Jan 8
LHR5:35 pmLondon Heathrow
27h 20m
1 stop
LAS12:55 pmLas Vegas Harry Reid Intl
$616
Find similar

American Airlines flights from Las Vegas to London Heathrow Airport

Our best American Airlines deals on Las Vegas to London Heathrow Airport flight tickets
American Airlines
Jan 5
LAS8:00 pmLas Vegas Harry Reid Intl
10h 00m
LHR2:00 pmLondon Heathrow
Jan 20
LHR2:10 pmLondon Heathrow
15h 38m
1 stop
LAS9:48 pmLas Vegas Harry Reid Intl
$592
Find similar
American Airlines
Jan 5
LAS8:00 pmLas Vegas Harry Reid Intl
10h 00m
LHR2:00 pmLondon Heathrow
Jan 20
LHR9:55 amLondon Heathrow
15h 48m
1 stop
LAS5:43 pmLas Vegas Harry Reid Intl
$595
Find similar
American Airlines
Dec 8
LAS8:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR2:50 pmLondon Heathrow
Jan 17
LHR4:05 pmLondon Heathrow
10h 45m
LAS6:50 pmLas Vegas Harry Reid Intl
$631
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated November 19, 2025.
Use the filters below to find and compare flights from Las Vegas to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 12/2

7:25 am-6:55 am

1 stop15h 30m

London Heathrow

Tue 12/9

4:00 pm-6:50 pm

Nonstop10h 50m

$587

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/11

9:00 am-6:25 am

1 stop13h 25m

London Heathrow

Thu 2/19

6:30 am-2:15 pm

1 stop15h 45m

$589

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/5

8:00 pm-2:00 pm

Nonstop10h 00m

London Heathrow

Tue 1/20

2:10 pm-9:48 pm

1 stop15h 38m

$592

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 2/8

1:55 pm-10:55 am

1 stop13h 00m

London Heathrow

Fri 2/20

4:00 pm-6:50 pm

Nonstop10h 50m

$593

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/5

10:55 pm-4:50 pm

Nonstop9h 55m

London Heathrow

Tue 1/20

8:40 am-2:15 pm

1 stop13h 35m

$594

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/5

8:00 pm-2:00 pm

Nonstop10h 00m

London Heathrow

Tue 1/20

9:55 am-5:43 pm

1 stop15h 48m

$595

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/5

10:55 pm-4:50 pm

Nonstop9h 55m

London Heathrow

Tue 1/20

6:30 am-2:15 pm

1 stop15h 45m

$596

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 12/7

12:59 am-7:30 am

1 stop22h 31m

London Heathrow

Thu 12/18

10:25 am-6:08 pm

1 stop15h 43m

$597

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/4

9:40 am-5:40 pm

2 stops24h 00m

London Heathrow

Sun 2/22

10:20 am-11:13 pm

2 stops20h 53m

$599

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 1/7

11:01 am-7:55 am

1 stop12h 54m

London Heathrow

Wed 1/14

6:50 am-6:30 pm

2 stops19h 40m

$600

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Las Vegas to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Las Vegas and London Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Las Vegas, with most prices found around $704. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Las Vegas to London Heathrow Airport during January average around $709.

What is the cheapest day to depart on your flight to London Heathrow Airport?

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $937. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,132.

What is the cheapest time of day to depart on your flight to London Heathrow Airport?

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the morning. momondo users have found flights departing from Las Vegas to London Heathrow Airport in the morning for as low as $783. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $1,008.

What is the cheapest Las Vegas Harry Reid Intl to London Heathrow flight route?

Fly from Las Vegas Harry Reid Intl to London Heathrow for the best Las Vegas Harry Reid Intl - London Heathrow flight prices

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

You are more likely to see cheaper flights to London Heathrow Airport from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $910 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Las Vegas for as low as $757 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to London Heathrow flights?

There are 3 cabin classes available to choose from on Las Vegas Harry Reid Intl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Las Vegas to London Heathrow Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Las Vegas to London Heathrow Airport flight.

How have Las Vegas to London Heathrow Airport flight prices changed over time?

As of November 2025, prices for Las Vegas to London Heathrow Airport flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to London Heathrow Airport (LAS to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to London Heathrow Airport

Best Price Found

$488

Fastest flight time

9h 50m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Las Vegas in the past 72 hours is $488. The best round-trip flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is $667.
The fastest flight from Las Vegas to London Heathrow Airport takes 9h 50m
Direct flights go from Las Vegas to London Heathrow Airport every day.
Search flight deals

  • How far is Las Vegas Harry Reid Intl to London Heathrow by plane?

    The distance between Las Vegas Harry Reid Intl and London Heathrow is about 5207.1 mi. Flights usually cover this in 9h 55m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to London Heathrow Airport?

    Prices for flights from Las Vegas Harry Reid Intl Airport to London Heathrow Airport are updated daily.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to London Heathrow Airport?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Las Vegas to London Heathrow Airport?

  • What is the most popular airline from Las Vegas to London Heathrow Airport?

Best airlines flying from Las Vegas to London Heathrow Airport

Compare and see reviews for airlines that fly from Las Vegas to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $502Free CancellationRating
7.1
10,462 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom $542Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $565Free CancellationRating
6.7
7,532 reviews
Search British Airways flights
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
DeltaPriceFrom $616Free CancellationRating
7.9
8,003 reviews
Search Delta flights
American AirlinesPriceFrom $639Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights
IberiaPriceFrom $661Free CancellationRating
7.0
3,025 reviews
Search Iberia flights
FinnairPriceFrom $685Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
JetBluePriceFrom $745Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
Aer LingusPriceFrom $1,099Free CancellationRating
7.2
1,376 reviews
Search Aer Lingus flights

  • Delta Flights From Las Vegas to London Heathrow Airport

    The lowest priced Delta flight from Las Vegas to London Heathrow Airport from the last 72 hours was $616. Generally, Delta has 5 flights on this route every week with an average price of $963. Delta is rated 7.9/10 by our users.

  • Finnair Flights From Las Vegas to London Heathrow Airport

    The best Finnair deal for Las Vegas to London Heathrow Airport flight tickets found on momondo in the last 72 hours was $685, round-trip. It should be noted that an average Finnair flight deal for this route in this time was higher, at $916 round-trip. Finnair operates 7 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 1,334 Finnair reviews by users on momondo have scored the airline at 7.6/10.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Folkestone
Romford
Ilford
Cobham
Swindon

Why use momondo?

Why should I use momondo to find a flight deal from Las Vegas to London?

It is quick and easy to find Las Vegas to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits you.

Can I find flights from Las Vegas to London with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Las Vegas to London flights to just show those with flexible booking policies.

How can momondo help me find flights from Las Vegas to London?

momondo helps you find the best flight between Las Vegas and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Las Vegas to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Las Vegas and alert you when they change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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