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Cheap flights from Las Vegas to London from £232

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 7/12. 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

Logo
23:15 - 09:35LAS-LHR
26h 20m1 stop
Logo
08:40 - 20:52LHR-LAS
20h 12m2 stops
£411
Find Deal
Sat, 27 Sep - Wed, 8 Oct
Logo
21:10 - 15:05LAS-LHR
9h 55mdirect
Logo
14:45 - 18:35LHR-LAS
35h 50m1 stop
£412
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Delta Logo
21:10 - 15:05LAS-LHR
9h 55mdirect
Delta Logo
06:30 - 15:15LHR-LAS
15h 45m1 stop
£413Delta
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Wed, 1 Oct - Thu, 30 Oct
British Airways Logo
22:05 - 16:05LAS-LHR
10h 00mdirect
British Airways Logo
12:15 - 15:10LHR-LAS
10h 55mdirect
£414British Airways
Find Deal
Wed, 15 Oct - Wed, 22 Oct
SWISS Logo
19:05 - 19:20LAS-LHR
16h 15m1 stop
SWISS Logo
20:05 - 20:52LHR-LAS
32h 47m2 stops
£414SWISS
Find Deal
Mon, 13 Oct - Mon, 20 Oct
United Airlines Logo
16:40 - 12:20LAS-LHR
11h 40m1 stop
United Airlines Logo
09:00 - 22:40LHR-LAS
20h 40m2 stops
£415United Airlines
Find Deal
Tue, 21 Oct - Tue, 28 Oct
British Airways Logo
12:16 - 10:05LAS-LHR
13h 49m1 stop
British Airways Logo
17:20 - 20:00LHR-LAS
10h 40mdirect
£417British Airways
Find Deal
Tue, 7 Oct - Tue, 14 Oct
Delta Logo
21:10 - 15:05LAS-LHR
9h 55mdirect
Delta Logo
16:00 - 19:50LHR-LAS
10h 50mdirect
£417Delta
Find Deal
Tue, 14 Oct - Tue, 28 Oct
Virgin Atlantic Logo
11:35 - 07:05LAS-LHR
12h 30m1 stop
Virgin Atlantic Logo
13:20 - 16:10LHR-LAS
10h 50mdirect
£419Virgin Atlantic
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Wed, 29 Oct - Wed, 5 Nov
SWISS Logo
19:05 - 17:50LAS-LHR
14h 45m1 stop
SWISS Logo
20:05 - 20:52LHR-LAS
32h 47m2 stops
£437SWISS
Find Deal
Mon, 13 Oct - Mon, 20 Oct

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
22 Sept
LAS18:49Las Vegas Harry Reid Intl
27h 41m
2 stops
LHR06:30London Heathrow
7 Oct
LHR06:50London Heathrow
23h 32m
2 stops
LAS22:22Las Vegas Harry Reid Intl
£411
Find similar
Air Canada
8 Oct
LAS06:00Las Vegas Harry Reid Intl
16h 30m
2 stops
LHR06:30London Heathrow
15 Oct
LHR09:30London Heathrow
22h 45m
2 stops
LAS00:15Las Vegas Harry Reid Intl
£422
Find similar
Air Canada
7 Oct
LAS07:25Las Vegas Harry Reid Intl
18h 10m
2 stops
LHR09:35London Heathrow
24 Oct
LHR12:05London Heathrow
18h 17m
2 stops
LAS22:22Las Vegas Harry Reid Intl
£422
Find similar

Delta flights from Las Vegas to London Heathrow Airport

Our best Delta deals on Las Vegas to London Heathrow Airport flight tickets
Delta
1 Oct
LAS21:10Las Vegas Harry Reid Intl
9h 55m
LHR15:05London Heathrow
30 Oct
LHR06:30London Heathrow
15h 45m
1 stop
LAS15:15Las Vegas Harry Reid Intl
£413
Find similar
Delta
14 Oct
LAS21:10Las Vegas Harry Reid Intl
9h 55m
LHR15:05London Heathrow
28 Oct
LHR16:00London Heathrow
10h 50m
LAS19:50Las Vegas Harry Reid Intl
£417
Find similar
Delta
22 Sept
LAS21:10Las Vegas Harry Reid Intl
9h 55m
LHR15:05London Heathrow
7 Oct
LHR16:35London Heathrow
10h 40m
LAS19:15Las Vegas Harry Reid Intl
£419
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 15 September 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 27/9

23:15-09:35

1 stop26h 20m

London Heathrow

Wed 8/10

08:40-20:52

2 stops20h 12m

£411

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 13/10

21:10-15:05

Nonstop9h 55m

London Heathrow

Mon 20/10

14:45-18:35

1 stop35h 50m

£412

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 1/10

21:10-15:05

Nonstop9h 55m

London Heathrow

Thu 30/10

06:30-15:15

1 stop15h 45m

£413

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 15/10

22:05-16:05

Nonstop10h 00m

London Heathrow

Wed 22/10

12:15-15:10

Nonstop10h 55m

£414

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 13/10

19:05-19:20

1 stop16h 15m

London Heathrow

Mon 20/10

20:05-20:52

2 stops32h 47m

£414

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 21/10

16:40-12:20

1 stop11h 40m

London Heathrow

Tue 28/10

09:00-22:40

2 stops20h 40m

£415

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 7/10

12:16-10:05

1 stop13h 49m

London Heathrow

Tue 14/10

17:20-20:00

Nonstop10h 40m

£417

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 14/10

21:10-15:05

Nonstop9h 55m

London Heathrow

Tue 28/10

16:00-19:50

Nonstop10h 50m

£417

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 29/10

11:35-07:05

1 stop12h 30m

London Heathrow

Wed 5/11

13:20-16:10

Nonstop10h 50m

£419

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 13/10

19:05-17:50

1 stop14h 45m

London Heathrow

Mon 20/10

20:05-20:52

2 stops32h 47m

£437

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 £513. The month of February is another great option to travel to London Heathrow Airport, with average flight prices from Las Vegas averaging around £519.

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 £538. 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 £714.

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 £586. 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 £771 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 £663 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 £534 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 6% 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 September 2025, prices for Las Vegas to London Heathrow Airport flights are approximately 11% 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

£310

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 £310. The best return flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is £417.
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 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
Virgin AtlanticPriceFrom £410Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom £460Free CancellationRating
6.6
7,361 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 £556 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 £881 round-trip. British Airways operates 8 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 7,361 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
Luton
Milton Keynes
Maidstone
Gatwick
Slough
Northampton
Swindon
Canterbury
Stratford-upon-Avon
Southend-on-Sea
Ipswich
Ilford
Guildford
Swanage
Poole
Colchester
Worthing
Salisbury
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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