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Cheap flights from Las Vegas to London from $238

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 9/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Las Vegas to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:25 pm - 3:05 pm
LAS
-
LHR
17h 40m
1 stop
Multiple Airlines Logo
12:00 pm - 11:49 pm
LHR
-
LAS
19h 49m
2 stops
$817Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
11:35 pm - 5:30 pm
LAS
-
LHR
9h 55mnonstop
Multiple Airlines Logo
12:00 pm - 11:49 pm
LHR
-
LAS
19h 49m
2 stops
$820Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
11:35 pm - 5:30 pm
LAS
-
LHR
9h 55mnonstop
Multiple Airlines Logo
5:15 pm - 8:00 pm
LHR
-
LAS
10h 45mnonstop
$837Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
1:22 pm - 10:15 am
LAS
-
LHR
12h 53m
1 stop
Multiple Airlines Logo
5:15 pm - 8:00 pm
LHR
-
LAS
10h 45mnonstop
$840Multiple Airlines
Wed, Sep 30 - Tue, Oct 6
Multiple Airlines Logo
10:56 am - 11:55 am
LAS
-
LHR
16h 59m
2 stops
Multiple Airlines Logo
8:50 pm - 10:23 pm
LHR
-
LAS
33h 33m
3 stops
$844Multiple Airlines
Sat, Aug 22 - Thu, Sep 10
Multiple Airlines Logo
6:50 am - 10:00 am
LAS
-
LHR
19h 10m
2 stops
Multiple Airlines Logo
5:15 pm - 8:00 pm
LHR
-
LAS
10h 45mnonstop
$848Multiple Airlines
Tue, Sep 29 - Wed, Oct 7
Multiple Airlines Logo
11:25 pm - 6:30 am
LAS
-
LHR
23h 05m
1 stop
Multiple Airlines Logo
9:50 am - 5:30 pm
LHR
-
LAS
15h 40m
1 stop
$850Multiple Airlines
Sat, Sep 26 - Sun, Oct 4
Multiple Airlines Logo
6:50 am - 10:00 am
LAS
-
LHR
19h 10m
2 stops
Multiple Airlines Logo
1:00 pm - 8:47 pm
LHR
-
LAS
15h 47m
1 stop
$858Multiple Airlines
Tue, Sep 29 - Wed, Oct 7
Multiple Airlines Logo
11:25 pm - 6:30 am
LAS
-
LHR
23h 05m
1 stop
Multiple Airlines Logo
8:50 pm - 10:23 pm
LHR
-
LAS
33h 33m
3 stops
$867Multiple Airlines
Sat, Aug 22 - Thu, Sep 10
Multiple Airlines Logo
6:10 pm - 11:10 am
LAS
-
LHR
33h 00m
3 stops
Multiple Airlines Logo
7:40 am - 10:23 pm
LHR
-
LAS
22h 43m
3 stops
$868Multiple Airlines
Tue, Sep 15 - Tue, Sep 29

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Aer Lingus flights from Las Vegas to London Heathrow Airport

Our best Aer Lingus deals on Las Vegas to London Heathrow Airport flight tickets
Aer Lingus
Jul 6
LAS10:04 amLas Vegas Harry Reid Intl
24h 51m
2 stops
LHR6:55 pmLondon Heathrow
Jul 21
LHR8:50 amLondon Heathrow
21h 57m
2 stops
LAS10:47 pmLas Vegas Harry Reid Intl
$1,224
Aer Lingus
Jul 7
LAS7:20 amLas Vegas Harry Reid Intl
17h 45m
2 stops
LHR9:05 amLondon Heathrow
Jul 21
LHR7:40 amLondon Heathrow
23h 07m
2 stops
LAS10:47 pmLas Vegas Harry Reid Intl
$1,230

JetBlue flights from Las Vegas to London Heathrow Airport

Our best JetBlue deals on Las Vegas to London Heathrow Airport flight tickets
JetBlue
Jul 14
LAS11:59 pmLas Vegas Harry Reid Intl
12h 46m
1 stop
LHR8:45 pmLondon Heathrow
Jul 21
LHR8:40 amLondon Heathrow
22h 07m
1 stop
LAS10:47 pmLas Vegas Harry Reid Intl
$1,066
JetBlue
Jul 16
LAS8:50 pmLas Vegas Harry Reid Intl
25h 40m
1 stop
LHR6:30 amLondon Heathrow
Jul 28
LHR8:40 amLondon Heathrow
22h 07m
1 stop
LAS10:47 pmLas Vegas Harry Reid Intl
$1,074
JetBlue
Jul 15
LAS11:59 pmLas Vegas Harry Reid Intl
12h 46m
1 stop
LHR8:45 pmLondon Heathrow
Jul 21
LHR8:40 amLondon Heathrow
22h 07m
1 stop
LAS10:47 pmLas Vegas Harry Reid Intl
$1,081

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 July 2, 2026.
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

Cheapest round-trip

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/30

1:25 pm-3:05 pm

1 stop17h 40m

London Heathrow

Tue 10/6

12:00 pm-11:49 pm

2 stops19h 49m

$817

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/30

11:35 pm-5:30 pm

Nonstop9h 55m

London Heathrow

Tue 10/6

12:00 pm-11:49 pm

2 stops19h 49m

$820
Quickest round-trip

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/30

11:35 pm-5:30 pm

Nonstop9h 55m

London Heathrow

Tue 10/6

5:15 pm-8:00 pm

Nonstop10h 45m

$837

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/30

1:22 pm-10:15 am

1 stop12h 53m

London Heathrow

Tue 10/6

5:15 pm-8:00 pm

Nonstop10h 45m

$840

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 8/22

10:56 am-11:55 am

2 stops16h 59m

London Heathrow

Thu 9/10

8:50 pm-10:23 pm

3 stops33h 33m

$844

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 9/29

6:50 am-10:00 am

2 stops19h 10m

London Heathrow

Wed 10/7

5:15 pm-8:00 pm

Nonstop10h 45m

$848

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 9/26

11:25 pm-6:30 am

1 stop23h 05m

London Heathrow

Sun 10/4

9:50 am-5:30 pm

1 stop15h 40m

$850

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 9/29

6:50 am-10:00 am

2 stops19h 10m

London Heathrow

Wed 10/7

1:00 pm-8:47 pm

1 stop15h 47m

$858

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 8/22

11:25 pm-6:30 am

1 stop23h 05m

London Heathrow

Thu 9/10

8:50 pm-10:23 pm

3 stops33h 33m

$867

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 9/15

6:10 pm-11:10 am

3 stops33h 00m

London Heathrow

Tue 9/29

7:40 am-10:23 pm

3 stops22h 43m

$868

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 $687. If you’re not able to fly to London Heathrow Airport in February, then November is your next best option. Flight prices from Las Vegas to London Heathrow Airport during November average around $709.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $922. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,067.

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 evening. momondo users have found flights departing from Las Vegas to London Heathrow Airport in the evening for as low as $963. 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 afternoon are often more expensive with an average ticket price of $1,007.

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 from Las Vegas 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 $963 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 $782 on momondo.

What cabin class options are available on Las Vegas to London Heathrow Airport flights?

There are 4 cabin classes available to choose from on Las Vegas to London Heathrow Airport 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?

No. A direct flight is the cheapest option for a flight between Las Vegas to London Heathrow Airport.

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

As of July 2026, prices for Las Vegas to London Heathrow Airport flights are approximately 5% more expensive 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

$509

Fastest flight time

9h 55m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sat
The best one-way flight to London Heathrow Airport from Las Vegas in the past 72 hours is $509. The best round-trip flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is $976.
The fastest flight from Las Vegas to London Heathrow Airport takes 9h 55m
Direct flights go from Las Vegas to London Heathrow Airport on Monday, Tuesday, Wednesday, Thursday, Friday and Saturday. The only airline offering direct flights is British Airways.
Search flight deals

Frequently asked questions about flying from Las Vegas to London Heathrow Airport

  • 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
British AirwaysPriceFrom $561Free CancellationRating
6.7
8,091 reviews
Search British Airways flights
American AirlinesPriceFrom $564Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights
Virgin AtlanticPriceFrom $575Free CancellationRating
7.5
690 reviews
Search Virgin Atlantic flights
DeltaPriceFrom $590Free CancellationRating
7.8
8,453 reviews
Search Delta flights
JetBluePriceFrom $638Free CancellationRating
7.1
3,009 reviews
Search JetBlue flights
Air FrancePriceFrom $728Free CancellationRating
7.5
1,616 reviews
Search Air France 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 $590. Generally, Delta has 6 flights on this route every week with an average price of $913. Delta is rated 7.8/10 by our users.

  • Virgin Atlantic Flights From Las Vegas to London Heathrow Airport

    The best Virgin Atlantic deal for Las Vegas to London Heathrow Airport flight tickets found on momondo in the last 72 hours was $575, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at $991 round-trip. Virgin Atlantic operates 6 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 690 Virgin Atlantic reviews by users on momondo have scored the airline at 7.5/10.

Traveling to a place near London?

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

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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