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Cheap flights from Las Vegas to London from $202

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 1/29. 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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Scandinavian Airlines Logo
1:10 pm - 6:30 pmLAS-LHR
21h 20m2 stops
Scandinavian Airlines Logo
10:20 am - 11:13 pmLHR-LAS
20h 53m2 stops
$597Scandinavian Airlines
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Wed, Feb 4 - Wed, Feb 18
SWISS Logo
4:05 pm - 5:50 pmLAS-LHR
17h 45m2 stops
SWISS Logo
9:00 am - 8:52 pmLHR-LAS
19h 52m2 stops
$598SWISS
Find Deal
Fri, Feb 6 - Mon, Feb 9
Scandinavian Airlines Logo
9:40 am - 6:30 pmLAS-LHR
24h 50m2 stops
Scandinavian Airlines Logo
7:05 am - 8:55 pmLHR-LAS
21h 50m3 stops
$600Scandinavian Airlines
Find Deal
Wed, Feb 4 - Mon, Feb 9
Scandinavian Airlines Logo
1:10 pm - 9:35 pmLAS-LHR
24h 25m3 stops
Scandinavian Airlines Logo
10:20 am - 10:53 pmLHR-LAS
20h 33m2 stops
$601Scandinavian Airlines
Find Deal
Tue, Jan 20 - Fri, Jan 30
Lufthansa Logo
1:10 pm - 9:40 amLAS-LHR
12h 30m1 stop
Lufthansa Logo
1:45 pm - 8:52 pmLHR-LAS
15h 07m1 stop
$602Lufthansa
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Thu, Jan 8 - Fri, Jan 23
Multiple Airlines Logo
1:43 pm - 9:40 amLAS-LHR
11h 57m1 stop
Multiple Airlines Logo
6:50 am - 8:39 pmLHR-LAS
21h 49m2 stops
$603Multiple Airlines
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Tue, Dec 30 - Tue, Jan 27
Iberia Logo
10:00 am - 8:35 amLAS-LHR
14h 35m1 stop
Iberia Logo
2:10 pm - 9:13 pmLHR-LAS
15h 03m1 stop
$605Iberia
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Thu, Dec 4 - Wed, Dec 10
Air Canada Logo
5:30 am - 7:10 amLAS-LHR
17h 40m2 stops
Air Canada Logo
6:50 am - 8:39 pmLHR-LAS
21h 49m2 stops
$606Air Canada
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Wed, Dec 31 - Mon, Jan 26
Delta Logo
6:15 am - 10:00 amLAS-LHR
19h 45m1 stop
Delta Logo
11:45 am - 2:15 pmLHR-LAS
34h 30m1 stop
$607Delta
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Wed, Dec 31 - Mon, Jan 26
Multiple Airlines Logo
9:55 am - 7:25 amLAS-LHR
13h 30m1 stop
Multiple Airlines Logo
12:05 pm - 8:52 pmLHR-LAS
40h 47m2 stops
$608Multiple Airlines
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Tue, Dec 30 - Mon, Jan 12

Lufthansa flights from Las Vegas to London Heathrow Airport

Our best Lufthansa deals on Las Vegas to London Heathrow Airport flight tickets
Lufthansa
Jan 8
LAS1:10 pmLas Vegas Harry Reid Intl
12h 30m
1 stop
LHR9:40 amLondon Heathrow
Jan 23
LHR1:45 pmLondon Heathrow
15h 07m
1 stop
LAS8:52 pmLas Vegas Harry Reid Intl
$602
Find similar
Lufthansa
Jan 8
LAS1:10 pmLas Vegas Harry Reid Intl
12h 30m
1 stop
LHR9:40 amLondon Heathrow
Jan 11
LHR11:35 amLondon Heathrow
15h 27m
1 stop
LAS7:02 pmLas Vegas Harry Reid Intl
$637
Find similar
Lufthansa
Dec 8
LAS10:47 amLas Vegas Harry Reid Intl
18h 43m
1 stop
LHR1:30 pmLondon Heathrow
Dec 15
LHR6:30 amLondon Heathrow
20h 05m
2 stops
LAS6:35 pmLas Vegas Harry Reid Intl
$802
Find similar

British Airways flights from Las Vegas to London Heathrow Airport

Our best British Airways deals on Las Vegas to London Heathrow Airport flight tickets
British Airways
Jan 9
LAS8:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR2:50 pmLondon Heathrow
Jan 23
LHR9:55 amLondon Heathrow
15h 48m
1 stop
LAS5:43 pmLas Vegas Harry Reid Intl
$609
Find similar
British Airways
Feb 4
LAS5:55 pmLas Vegas Harry Reid Intl
13h 35m
1 stop
LHR3:30 pmLondon Heathrow
Feb 9
LHR10:35 amLondon Heathrow
16h 47m
1 stop
LAS7:22 pmLas Vegas Harry Reid Intl
$614
Find similar
British Airways
Feb 4
LAS8:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR2:50 pmLondon Heathrow
Feb 22
LHR4:05 pmLondon Heathrow
10h 45m
LAS6:50 pmLas Vegas Harry Reid Intl
$624
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 26, 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

Wed 2/4

1:10 pm-6:30 pm

2 stops21h 20m

London Heathrow

Wed 2/18

10:20 am-11:13 pm

2 stops20h 53m

$597

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 2/6

4:05 pm-5:50 pm

2 stops17h 45m

London Heathrow

Mon 2/9

9:00 am-8:52 pm

2 stops19h 52m

$598

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/4

9:40 am-6:30 pm

2 stops24h 50m

London Heathrow

Mon 2/9

7:05 am-8:55 pm

3 stops21h 50m

$600

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 1/20

1:10 pm-9:35 pm

3 stops24h 25m

London Heathrow

Fri 1/30

10:20 am-10:53 pm

2 stops20h 33m

$601

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 1/8

1:10 pm-9:40 am

1 stop12h 30m

London Heathrow

Fri 1/23

1:45 pm-8:52 pm

1 stop15h 07m

$602

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 12/30

1:43 pm-9:40 am

1 stop11h 57m

London Heathrow

Tue 1/27

6:50 am-8:39 pm

2 stops21h 49m

$603

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 12/4

10:00 am-8:35 am

1 stop14h 35m

London Heathrow

Wed 12/10

2:10 pm-9:13 pm

1 stop15h 03m

$605

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 12/31

5:30 am-7:10 am

2 stops17h 40m

London Heathrow

Mon 1/26

6:50 am-8:39 pm

2 stops21h 49m

$606

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 12/31

6:15 am-10:00 am

1 stop19h 45m

London Heathrow

Mon 1/26

11:45 am-2:15 pm

1 stop34h 30m

$607

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 12/30

9:55 am-7:25 am

1 stop13h 30m

London Heathrow

Mon 1/12

12:05 pm-8:52 pm

2 stops40h 47m

$608

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 $929. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,130.

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 $994.

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 $913 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 18% 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

$494

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 $494. The best round-trip flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is $629.
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 50m, 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
10,481 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom $542Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $565Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,050 reviews
Search United Airlines flights
DeltaPriceFrom $616Free CancellationRating
7.9
8,004 reviews
Search Delta flights
American AirlinesPriceFrom $639Free CancellationRating
7.2
11,037 reviews
Search American Airlines flights
IberiaPriceFrom $653Free CancellationRating
7.0
3,036 reviews
Search Iberia flights
FinnairPriceFrom $685Free CancellationRating
7.6
1,334 reviews
Search Finnair flights
JetBluePriceFrom $687Free CancellationRating
7.2
2,904 reviews
Search JetBlue flights
Aer LingusPriceFrom $1,099Free CancellationRating
7.2
1,382 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 $959. 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
Romford
Watford
Ilford
Swindon
Cobham

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.
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