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Cheap flights from Las Vegas to London from £254

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 27/2. 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

Enter your travel dates to find the best prices.
Air Canada Logo
23:30 - 11:20
LAS
-
LHR
28h 50m
1 stop
Air Canada Logo
06:50 - 11:18
LHR
-
LAS
35h 28m
2 stops
£457Air Canada
Tue, 10 Mar - Tue, 17 Mar
Air Canada Logo
16:45 - 11:50
LAS
-
LHR
35h 05m
1 stop
Air Canada Logo
18:00 - 22:31
LHR
-
LAS
35h 31m
1 stop
£457Air Canada
Sat, 28 Feb - Fri, 13 Mar
Multiple Airlines Logo
09:00 - 07:10
LAS
-
LHR
15h 10m
1 stop
Multiple Airlines Logo
06:00 - 22:33
LHR
-
LAS
23h 33m
2 stops
£458Multiple Airlines
Wed, 18 Mar - Wed, 25 Mar
Virgin Atlantic Logo
20:30 - 14:20
LAS
-
LHR
9h 50mdirect
Virgin Atlantic Logo
16:00 - 19:50
LHR
-
LAS
10h 50mdirect
£460Virgin Atlantic
Sat, 28 Feb - Fri, 13 Mar
Multiple Airlines Logo
06:15 - 13:20
LAS
-
LHR
23h 05m
1 stop
Multiple Airlines Logo
06:00 - 16:25
LHR
-
LAS
18h 25m
1 stop
£460Multiple Airlines
Mon, 13 Apr - Tue, 28 Apr
JetBlue Logo
06:45 - 09:30
LAS
-
LHR
18h 45m
1 stop
JetBlue Logo
12:20 - 00:45
LHR
-
LAS
19h 25m
1 stop
£461JetBlue
Sat, 28 Feb - Fri, 13 Mar
British Airways Logo
21:55 - 14:50
LAS
-
LHR
9h 55mdirect
British Airways Logo
16:05 - 19:50
LHR
-
LAS
10h 45mdirect
£462British Airways
Tue, 10 Mar - Tue, 17 Mar
Virgin Atlantic Logo
20:30 - 14:20
LAS
-
LHR
9h 50mdirect
Virgin Atlantic Logo
16:00 - 19:50
LHR
-
LAS
10h 50mdirect
£463Virgin Atlantic
Sat, 28 Feb - Fri, 13 Mar
Multiple Airlines Logo
12:30 - 10:00
LAS
-
LHR
13h 30m
1 stop
Multiple Airlines Logo
08:45 - 16:25
LHR
-
LAS
15h 40m
1 stop
£464Multiple Airlines
Wed, 1 Apr - Tue, 14 Apr
British Airways Logo
11:39 - 14:00
LAS
-
LHR
19h 21m
1 stop
British Airways Logo
16:05 - 19:50
LHR
-
LAS
10h 45mdirect
£465British Airways
Wed, 11 Mar - Tue, 17 Mar

Air Canada flights from Las Vegas to London Heathrow Airport

Our best Air Canada deals on Las Vegas to London Heathrow Airport flight tickets
Air Canada
10 Mar
LAS23:30Las Vegas Harry Reid Intl
28h 50m
1 stop
LHR11:20London Heathrow
17 Mar
LHR06:50London Heathrow
35h 28m
2 stops
LAS11:18Las Vegas Harry Reid Intl
£457
Air Canada
28 Feb
LAS16:45Las Vegas Harry Reid Intl
35h 05m
1 stop
LHR11:50London Heathrow
13 Mar
LHR18:00London Heathrow
35h 31m
1 stop
LAS22:31Las Vegas Harry Reid Intl
£457
Air Canada
1 Apr
LAS06:15Las Vegas Harry Reid Intl
19h 45m
2 stops
LHR10:00London Heathrow
15 Apr
LHR08:40London Heathrow
19h 55m
2 stops
LAS20:35Las Vegas Harry Reid Intl
£465

JetBlue flights from Las Vegas to London Heathrow Airport

Our best JetBlue deals on Las Vegas to London Heathrow Airport flight tickets
JetBlue
28 Feb
LAS06:45Las Vegas Harry Reid Intl
18h 45m
1 stop
LHR09:30London Heathrow
13 Mar
LHR12:20London Heathrow
19h 25m
1 stop
LAS00:45Las Vegas Harry Reid Intl
£461
JetBlue
3 Feb
LAS23:59Las Vegas Harry Reid Intl
13h 41m
1 stop
LHR21:40London Heathrow
9 Mar
LHR09:20London Heathrow
18h 57m
1 stop
LAS21:17Las Vegas Harry Reid Intl
£474
JetBlue
2 Feb
LAS09:58Las Vegas Harry Reid Intl
15h 32m
1 stop
LHR09:30London Heathrow
9 Feb
LHR09:20London Heathrow
22h 39m
1 stop
LAS23:59Las Vegas Harry Reid Intl
£478

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 29 January 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

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 10/3

23:30-11:20

1 stop28h 50m

London Heathrow

Tue 17/3

06:50-11:18

2 stops35h 28m

£457

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 28/2

16:45-11:50

1 stop35h 05m

London Heathrow

Fri 13/3

18:00-22:31

1 stop35h 31m

£457

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 18/3

09:00-07:10

1 stop15h 10m

London Heathrow

Wed 25/3

06:00-22:33

2 stops23h 33m

£458

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 28/2

20:30-14:20

Nonstop9h 50m

London Heathrow

Fri 13/3

16:00-19:50

Nonstop10h 50m

£460

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 13/4

06:15-13:20

1 stop23h 05m

London Heathrow

Tue 28/4

06:00-16:25

1 stop18h 25m

£460

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 28/2

06:45-09:30

1 stop18h 45m

London Heathrow

Fri 13/3

12:20-00:45

1 stop19h 25m

£461

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 10/3

21:55-14:50

Nonstop9h 55m

London Heathrow

Tue 17/3

16:05-19:50

Nonstop10h 45m

£462

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 28/2

20:30-14:20

Nonstop9h 50m

London Heathrow

Fri 13/3

16:00-19:50

Nonstop10h 50m

£463

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 1/4

12:30-10:00

1 stop13h 30m

London Heathrow

Tue 14/4

08:45-16:25

1 stop15h 40m

£464

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 11/3

11:39-14:00

1 stop19h 21m

London Heathrow

Tue 17/3

16:05-19:50

Nonstop10h 45m

£465

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, February 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 £489. The month of October is another great option to travel to London Heathrow Airport, with average flight prices from Las Vegas averaging around £544.

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 Sunday. momondo users have found tickets for Sunday departures for as low as £477. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Friday is £685.

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 £585. 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 in the afternoon when prices are £613 on average. Flights to London Heathrow Airport from Las Vegas in the afternoon 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 £662 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 £529 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 January 2026, prices for Las Vegas to London Heathrow Airport flights are approximately 0% 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 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

£279

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 £279. The best return flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is £578.
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 £403Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £452Free CancellationRating
6.7
7,705 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 £403 round-trip. Over the 5 Virgin Atlantic flights for this route in a normal week, average airfare is usually £674 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 £452, round-trip. It should be noted that an average British Airways flight deal for this route in this time was higher, at £578 round-trip. British Airways operates 10 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 7,705 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
Stratford-upon-Avon
Swindon
Southend-on-Sea
Canterbury
Ipswich
Ilford
Poole
Guildford
Chelmsford
Hayes
Swanage
Dover
Folkestone

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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