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Cheap flights from Las Vegas to London from £220

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 3/12. 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

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Aer Lingus Logo
19:35 - 19:50LAS-LHR
16h 15m1 stop
Aer Lingus Logo
12:10 - 17:50LHR-LAS
13h 40m1 stop
£430Aer Lingus
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Tue, 13 Jan - Tue, 20 Jan
Virgin Atlantic Logo
21:05 - 14:55LAS-LHR
9h 50mdirect
Virgin Atlantic Logo
16:00 - 18:50LHR-LAS
10h 50mdirect
£431Virgin Atlantic
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Sun, 16 Nov - Tue, 2 Dec
Multiple Airlines Logo
20:45 - 14:40LAS-LHR
9h 55mdirect
Multiple Airlines Logo
08:40 - 14:15LHR-LAS
13h 35m1 stop
£438Multiple Airlines
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Wed, 3 Dec - Tue, 9 Dec
Delta Logo
20:45 - 14:40LAS-LHR
9h 55mdirect
Delta Logo
08:40 - 14:15LHR-LAS
13h 35m1 stop
£439Delta
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Wed, 3 Dec - Tue, 9 Dec
British Airways Logo
20:55 - 14:50LAS-LHR
9h 55mdirect
British Airways Logo
16:05 - 18:50LHR-LAS
10h 45mdirect
£439British Airways
Find Deal
Tue, 18 Nov - Tue, 25 Nov
Finnair Logo
11:46 - 09:40LAS-LHR
13h 54m1 stop
Finnair Logo
16:05 - 18:50LHR-LAS
10h 45mdirect
£441Finnair
Find Deal
Wed, 10 Dec - Fri, 9 Jan
Delta Logo
11:05 - 10:30LAS-LHR
15h 25m1 stop
Delta Logo
06:20 - 12:55LHR-LAS
14h 35m1 stop
£442Delta
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Wed, 10 Dec - Fri, 9 Jan
British Airways Logo
20:55 - 14:50LAS-LHR
9h 55mdirect
British Airways Logo
12:30 - 15:15LHR-LAS
10h 45mdirect
£449British Airways
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Wed, 21 Jan - Wed, 28 Jan
Finnair Logo
15:20 - 14:00LAS-LHR
14h 40m1 stop
Finnair Logo
12:30 - 21:00LHR-LAS
16h 30m1 stop
£452Finnair
Find Deal
Sun, 8 Feb - Tue, 17 Feb
Multiple Airlines Logo
22:14 - 09:20LAS-LHR
27h 06m1 stop
Multiple Airlines Logo
14:45 - 09:45LHR-LAS
27h 00m2 stops
£461Multiple Airlines
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Thu, 27 Nov - Wed, 10 Dec

Delta flights from Las Vegas to London Heathrow Airport

Our best Delta deals on Las Vegas to London Heathrow Airport flight tickets
Delta
3 Dec
LAS20:45Las Vegas Harry Reid Intl
9h 55m
LHR14:40London Heathrow
9 Dec
LHR08:40London Heathrow
13h 35m
1 stop
LAS14:15Las Vegas Harry Reid Intl
£439
Find similar
Delta
10 Dec
LAS11:05Las Vegas Harry Reid Intl
15h 25m
1 stop
LHR10:30London Heathrow
9 Jan
LHR06:20London Heathrow
14h 35m
1 stop
LAS12:55Las Vegas Harry Reid Intl
£442
Find similar
Delta
3 Dec
LAS17:55Las Vegas Harry Reid Intl
14h 55m
1 stop
LHR16:50London Heathrow
9 Dec
LHR06:30London Heathrow
15h 45m
1 stop
LAS14:15Las Vegas Harry Reid Intl
£442
Find similar

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
27 Nov
LAS13:49Las Vegas Harry Reid Intl
20h 41m
2 stops
LHR18:30London Heathrow
10 Dec
LHR06:40London Heathrow
23h 34m
2 stops
LAS22:14Las Vegas Harry Reid Intl
£448
Find similar
Scandinavian Airlines
27 Nov
LAS13:49Las Vegas Harry Reid Intl
19h 51m
2 stops
LHR17:40London Heathrow
10 Dec
LHR06:40London Heathrow
23h 34m
2 stops
LAS22:14Las Vegas Harry Reid Intl
£449
Find similar
Scandinavian Airlines
28 Jan
LAS07:02Las Vegas Harry Reid Intl
24h 58m
2 stops
LHR16:00London Heathrow
4 Feb
LHR06:40London Heathrow
22h 15m
2 stops
LAS20:55Las Vegas Harry Reid Intl
£456
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 31 October 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 13/1

19:35-19:50

1 stop16h 15m

London Heathrow

Tue 20/1

12:10-17:50

1 stop13h 40m

£430

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 16/11

21:05-14:55

Nonstop9h 50m

London Heathrow

Tue 2/12

16:00-18:50

Nonstop10h 50m

£431

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 3/12

20:45-14:40

Nonstop9h 55m

London Heathrow

Tue 9/12

08:40-14:15

1 stop13h 35m

£438

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 3/12

20:45-14:40

Nonstop9h 55m

London Heathrow

Tue 9/12

08:40-14:15

1 stop13h 35m

£439

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 18/11

20:55-14:50

Nonstop9h 55m

London Heathrow

Tue 25/11

16:05-18:50

Nonstop10h 45m

£439

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/12

11:46-09:40

1 stop13h 54m

London Heathrow

Fri 9/1

16:05-18:50

Nonstop10h 45m

£441

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 10/12

11:05-10:30

1 stop15h 25m

London Heathrow

Fri 9/1

06:20-12:55

1 stop14h 35m

£442

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 21/1

20:55-14:50

Nonstop9h 55m

London Heathrow

Wed 28/1

12:30-15:15

Nonstop10h 45m

£449

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 8/2

15:20-14:00

1 stop14h 40m

London Heathrow

Tue 17/2

12:30-21:00

1 stop16h 30m

£452

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 27/11

22:14-09:20

1 stop27h 06m

London Heathrow

Wed 10/12

14:45-09:45

2 stops27h 00m

£461

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 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 £534. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Las Vegas averaging around £536.

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 £586. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Thursday is £728.

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 £603. 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 £794 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 £691 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 £555 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?

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 October 2025, prices for Las Vegas to London Heathrow Airport flights are approximately 16% 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

£403

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 £403. The best return flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is £550.
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?

    There are 5207.1 mi between Las Vegas Harry Reid Intl and London Heathrow. A reasonable flight in good conditions will take 9h 50m.

  • 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
Virgin AtlanticPriceFrom £422Free CancellationRating
7.5
671 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £474Free CancellationRating
6.7
7,488 reviews
Search British Airways flights

  • Virgin Atlantic Flights From Las Vegas to London Heathrow Airport

    Virgin Atlantic flight deals from Las Vegas to London Heathrow Airport start from £422 round-trip. Over the 3 Virgin Atlantic flights for this route in a normal week, average airfare is usually £706 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 £474, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at £654 round-trip. British Airways operates 4 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 7,488 British Airways reviews by users on momondo have scored the airline at 6.7/10.

Travelling to a place near London?

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

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.

An easier way to manage your London Heathrow Airport trip

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