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Cheap flights from Las Vegas to London from $257

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 7/19. 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
0 bags

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Cheap round-trip flights

British Airways Logo
10:05 pm - 4:05 pmLAS-LHR
10h 00mnonstop
British Airways Logo
5:20 pm - 8:00 pmLHR-LAS
10h 40mnonstop
$546British Airways
Find Deal
Tue, Aug 19 - Tue, Aug 26
British Airways Logo
4:30 pm - 12:50 pmLAS-LHR
12h 20m1 stop
British Airways Logo
5:20 pm - 8:00 pmLHR-LAS
10h 40mnonstop
$551British Airways
Find Deal
Tue, Aug 19 - Tue, Aug 26
British Airways Logo
1:05 pm - 10:20 amLAS-LHR
13h 15m1 stop
British Airways Logo
5:20 pm - 8:00 pmLHR-LAS
10h 40mnonstop
$556British Airways
Find Deal
Tue, Aug 5 - Tue, Aug 12
Delta Logo
9:10 pm - 3:05 pmLAS-LHR
9h 55mnonstop
Delta Logo
9:55 am - 6:35 pmLHR-LAS
16h 40m1 stop
$562Delta
Find Deal
Mon, Aug 18 - Wed, Aug 27
KLM Logo
1:25 pm - 9:50 amLAS-LHR
12h 25m1 stop
KLM Logo
11:45 am - 6:35 pmLHR-LAS
14h 50m1 stop
$567KLM
Find Deal
Mon, Aug 18 - Wed, Aug 27
Delta Logo
9:10 pm - 3:05 pmLAS-LHR
9h 55mnonstop
Delta Logo
4:35 pm - 7:20 pmLHR-LAS
10h 45mnonstop
$569Delta
Find Deal
Wed, Aug 20 - Tue, Aug 26
 Logo
12:01 pm - 7:25 pmLAS-LHR
23h 24m2 stops
 Logo
12:00 pm - 9:53 pmLHR-LAS
17h 53m2 stops
Sat, Oct 4 - Wed, Oct 8
 Logo
5:45 pm - 6:30 amLAS-LHR
28h 45m2 stops
 Logo
8:05 pm - 9:28 pmLHR-LAS
33h 23m2 stops
Tue, Aug 19 - Mon, Sep 1
Virgin Atlantic Logo
9:10 pm - 3:05 pmLAS-LHR
9h 55mnonstop
Virgin Atlantic Logo
4:35 pm - 7:20 pmLHR-LAS
10h 45mnonstop
$650Virgin Atlantic
Find Deal
Sun, Aug 3 - Tue, Aug 19
Virgin Atlantic Logo
9:10 pm - 3:05 pmLAS-LHR
9h 55mnonstop
Virgin Atlantic Logo
4:35 pm - 7:20 pmLHR-LAS
10h 45mnonstop
$653Virgin Atlantic
Find Deal
Sun, Aug 3 - Tue, Aug 19

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
Aug 3
LAS9:10 pmLas Vegas Harry Reid Intl
9h 55m
LHR3:05 pmLondon Heathrow
Aug 19
LHR4:35 pmLondon Heathrow
10h 45m
LAS7:20 pmLas Vegas Harry Reid Intl
Virgin Atlantic
Aug 3
LAS9:10 pmLas Vegas Harry Reid Intl
9h 55m
LHR3:05 pmLondon Heathrow
Aug 19
LHR4:35 pmLondon Heathrow
10h 45m
LAS7:20 pmLas Vegas Harry Reid Intl

Scandinavian Airlines flights from Las Vegas to London Heathrow Airport

Our best Scandinavian Airlines deals on Las Vegas to London Heathrow Airport flight tickets
Scandinavian Airlines
Oct 15
LAS7:05 amLas Vegas Harry Reid Intl
18h 30m
2 stops
LHR9:35 amLondon Heathrow
Oct 22
LHR6:40 amLondon Heathrow
23h 15m
2 stops
LAS9:55 pmLas Vegas Harry Reid Intl
Scandinavian Airlines
Jul 8
LAS6:45 amLas Vegas Harry Reid Intl
23h 50m
2 stops
LHR2:35 pmLondon Heathrow
Jul 18
LHR7:05 amLondon Heathrow
23h 13m
2 stops
LAS10:18 pmLas Vegas Harry Reid Intl

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 cheapest month to fly to London Heathrow Airport?

The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Las Vegas, with most prices found around $696. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Las Vegas to London Heathrow Airport during February average around $725.

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 $971. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,168.

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 afternoon are often more expensive with an average ticket price of $1,048.

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 $906 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 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 33% 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 July 2025, prices for Las Vegas to London Heathrow Airport flights are approximately 21% 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

$257

Fastest flight time

9h 55m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Las Vegas in the past 72 hours is $257. The best round-trip flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is $546.
The fastest flight from Las Vegas to London Heathrow Airport takes 9h 55m
Direct flights go from Las Vegas to London Heathrow Airport every day.

  • 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
9,678 reviews
Search Air Canada flights
Virgin AtlanticPriceFrom $543Free CancellationRating
7.4
654 reviews
Search Virgin Atlantic flights
United AirlinesPriceFrom $580Free CancellationRating
7.4
8,861 reviews
Search United Airlines flights
American AirlinesPriceFrom $604Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
IberiaPriceFrom $608Free CancellationRating
7.0
2,819 reviews
Search Iberia flights
DeltaPriceFrom $609Free CancellationRating
8.0
7,983 reviews
Search Delta flights
British AirwaysPriceFrom $637Free CancellationRating
6.6
7,093 reviews
Search British Airways flights
JetBluePriceFrom $750Free CancellationRating
7.3
2,916 reviews
Search JetBlue flights
Aer LingusPriceFrom $880Free CancellationRating
7.1
1,144 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 $609. Generally, Delta has 7 flights on this route every week with an average price of $948. Delta is rated 8.0/10 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 $543, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at $1,007 round-trip. Virgin Atlantic operates 7 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 654 Virgin Atlantic reviews by users on momondo have scored the airline at 7.4/10.


Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Croydon
Luton
Slough
Dover
Dartford
Guildford
Stansted
Hayes
Milton Keynes
Salisbury
Swindon
Ilford
Colchester
Stratford-upon-Avon
Chelmsford
Canterbury
Watford
Richmond

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

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1 adult
Tue 7/8
Tue 7/15

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