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Cheap flights from Las Vegas to London from £162

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 5/10. 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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Cheap return flights

Logo
11:15 - 06:30LAS-LHR
35h 15m1 stop
Logo
06:00 - 16:35LHR-LAS
18h 35m1 stop
£392
Find Deal
Sat, 20 Sep - Thu, 2 Oct
Logo
06:15 - 11:50LAS-LHR
21h 35m1 stop
Logo
06:50 - 20:39LHR-LAS
21h 49m2 stops
£395
Find Deal
Mon, 17 Nov - Wed, 26 Nov
Virgin Atlantic Logo
21:10 - 15:05LAS-LHR
9h 55mdirect
Virgin Atlantic Logo
16:35 - 19:15LHR-LAS
10h 40mdirect
£404Virgin Atlantic
Find Deal
Mon, 1 Sep - Wed, 17 Sep
SWISS Logo
19:05 - 17:50LAS-LHR
14h 45m1 stop
SWISS Logo
13:45 - 16:35LHR-LAS
34h 50m1 stop
£406SWISS
Find Deal
Mon, 1 Sep - Wed, 17 Sep
Virgin Atlantic Logo
21:10 - 15:05LAS-LHR
9h 55mdirect
Virgin Atlantic Logo
11:00 - 16:09LHR-LAS
13h 09m1 stop
£409Virgin Atlantic
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Mon, 1 Sep - Wed, 17 Sep
British Airways Logo
20:55 - 14:50LAS-LHR
9h 55mdirect
British Airways Logo
16:05 - 18:50LHR-LAS
10h 45mdirect
£410British Airways
Find Deal
Tue, 18 Nov - Tue, 9 Dec
British Airways Logo
22:05 - 16:05LAS-LHR
10h 00mdirect
British Airways Logo
17:15 - 19:55LHR-LAS
10h 40mdirect
£411British Airways
Find Deal
Wed, 24 Sep - Thu, 9 Oct
SWISS Logo
19:05 - 16:25LAS-LHR
13h 20m1 stop
SWISS Logo
08:45 - 20:36LHR-LAS
19h 51m2 stops
£416SWISS
Find Deal
Mon, 1 Sep - Tue, 16 Sep
American Airlines Logo
22:00 - 16:00LAS-LHR
10h 00mdirect
American Airlines Logo
17:20 - 20:00LHR-LAS
10h 40mdirect
£423American Airlines
Find Deal
Mon, 1 Sep - Wed, 17 Sep
American Airlines Logo
22:00 - 16:00LAS-LHR
10h 00mdirect
American Airlines Logo
10:30 - 17:35LHR-LAS
15h 05m1 stop
£431American Airlines
Find Deal
Mon, 1 Sep - Wed, 17 Sep

United Airlines flights from Las Vegas to London Heathrow Airport

Our best United Airlines deals on Las Vegas to London Heathrow Airport flight tickets
United Airlines
10 Aug
LAS06:10Las Vegas Harry Reid Intl
21h 00m
1 stop
LHR11:10London Heathrow
10 Sept
LHR07:25London Heathrow
17h 45m
2 stops
LAS17:10Las Vegas Harry Reid Intl
£425
Find similar
United Airlines
31 Dec
LAS09:05Las Vegas Harry Reid Intl
16h 35m
1 stop
LHR09:40London Heathrow
9 Jan
LHR06:50London Heathrow
20h 01m
2 stops
LAS18:51Las Vegas Harry Reid Intl
£430
Find similar
United Airlines
20 Sept
LAS23:59Las Vegas Harry Reid Intl
24h 21m
1 stop
LHR08:20London Heathrow
8 Oct
LHR06:50London Heathrow
17h 28m
2 stops
LAS16:18Las Vegas Harry Reid Intl
£434
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
18 Nov
LAS20:55Las Vegas Harry Reid Intl
9h 55m
LHR14:50London Heathrow
9 Dec
LHR16:05London Heathrow
10h 45m
LAS18:50Las Vegas Harry Reid Intl
£410
Find similar
British Airways
24 Sept
LAS22:05Las Vegas Harry Reid Intl
10h 00m
LHR16:05London Heathrow
9 Oct
LHR17:15London Heathrow
10h 40m
LAS19:55Las Vegas Harry Reid Intl
£411
Find similar
British Airways
24 Sept
LAS17:05Las Vegas Harry Reid Intl
13h 35m
1 stop
LHR14:40London Heathrow
1 Oct
LHR17:20London Heathrow
10h 40m
LAS20:00Las Vegas Harry Reid Intl
£413
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 1 August 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

Sat 20/9

11:15-06:30

1 stop35h 15m

London Heathrow

Thu 2/10

06:00-16:35

1 stop18h 35m

£392

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 17/11

06:15-11:50

1 stop21h 35m

London Heathrow

Wed 26/11

06:50-20:39

2 stops21h 49m

£395

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

21:10-15:05

Nonstop9h 55m

London Heathrow

Wed 17/9

16:35-19:15

Nonstop10h 40m

£404

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

19:05-17:50

1 stop14h 45m

London Heathrow

Wed 17/9

13:45-16:35

1 stop34h 50m

£406

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

21:10-15:05

Nonstop9h 55m

London Heathrow

Wed 17/9

11:00-16:09

1 stop13h 09m

£409

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 18/11

20:55-14:50

Nonstop9h 55m

London Heathrow

Tue 9/12

16:05-18:50

Nonstop10h 45m

£410

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 24/9

22:05-16:05

Nonstop10h 00m

London Heathrow

Thu 9/10

17:15-19:55

Nonstop10h 40m

£411

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

19:05-16:25

1 stop13h 20m

London Heathrow

Tue 16/9

08:45-20:36

2 stops19h 51m

£416

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

22:00-16:00

Nonstop10h 00m

London Heathrow

Wed 17/9

17:20-20:00

Nonstop10h 40m

£423

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 1/9

22:00-16:00

Nonstop10h 00m

London Heathrow

Wed 17/9

10:30-17:35

1 stop15h 05m

£431

Flights are sorted by cheapest return 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?

In general, January is the cheapest month to fly from Las Vegas to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £529. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Las Vegas averaging around £533.

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

On average, the least expensive day to fly to London Heathrow Airport from Las Vegas is on a Saturday. momondo users have found tickets for Saturday departures for as low as £551. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £703.

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 afternoon. momondo users have found flights departing from Las Vegas to London Heathrow Airport in the afternoon for as low as £600. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £790 on average. Flights to London Heathrow Airport from Las Vegas at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 £679 when searching weeks before you fly. 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 £564 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 5% 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 August 2025, prices for Las Vegas to London Heathrow Airport flights are approximately 7% 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 return 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

£162

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 £162. The best return flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is £392.
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.
Search flight deals

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

    There are 5207.1 mi between Las Vegas Harry Reid Intl and London Heathrow. A reasonable flight in good conditions will take 9h 55m.

  • 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 offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your London Heathrow Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Heathrow Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 £472Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
Virgin AtlanticPriceFrom £481Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights

  • Virgin Atlantic Flights From Las Vegas to London Heathrow Airport

    Virgin Atlantic flight deals from Las Vegas to London Heathrow Airport start from £636 round-trip. Over the 7 Virgin Atlantic flights for this route in a normal week, average airfare is usually £930 round-trip - but some users have found much cheaper deals with momondo.

  • British Airways Flights From Las Vegas to London Heathrow Airport

    The best British Airways deal for Las Vegas to London Heathrow Airport flight tickets found on momondo in the last 72 hours was £624, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at £916 round-trip. British Airways operates 7 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 7,222 British Airways reviews by users on momondo have scored the airline at 6.6/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Northampton
Southend-on-Sea
Maidstone
Swindon
Canterbury
Gatwick
Stratford-upon-Avon
Ipswich
Ilford
Dartford
Guildford
Colchester
Worthing
Hounslow
Swanage
Salisbury

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to London for you.

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

All flight searches from Las Vegas to London on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Las Vegas to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 not ready to book a flight from Las Vegas to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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