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Cheap flights from Las Vegas to London from $365

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 3/26. 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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Find the cheapest flights from Las Vegas to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:55 pm - 2:50 pm
LAS
-
LHR
9h 55mnonstop
British Airways Logo
4:05 pm - 6:50 pm
LHR
-
LAS
10h 45mnonstop
$637British Airways
Sun, Feb 8 - Tue, Feb 17
British Airways Logo
8:55 pm - 2:50 pm
LAS
-
LHR
9h 55mnonstop
British Airways Logo
4:05 pm - 6:50 pm
LHR
-
LAS
10h 45mnonstop
$638British Airways
Sun, Feb 8 - Tue, Feb 17
Multiple Airlines Logo
8:35 pm - 6:20 pm
LAS
-
STN
14h 45m
1 stop
Multiple Airlines Logo
6:30 am - 6:50 pm
STN
-
LAS
19h 20m
1 stop
$639Multiple Airlines
Tue, Mar 10 - Tue, Mar 17
Multiple Airlines Logo
9:00 am - 11:20 am
LAS
-
LHR
18h 20m
2 stops
Multiple Airlines Logo
1:25 pm - 11:30 pm
LHR
-
LAS
18h 05m
2 stops
$639Multiple Airlines
Sun, Feb 15 - Sun, Feb 22
British Airways Logo
8:55 pm - 2:50 pm
LAS
-
LHR
9h 55mnonstop
British Airways Logo
12:55 pm - 8:15 pm
LHR
-
LAS
15h 20m
1 stop
$640British Airways
Sat, Feb 28 - Thu, Aug 20
JetBlue Logo
11:59 pm - 10:00 pm
LAS
-
LHR
14h 01m
1 stop
JetBlue Logo
8:05 am - 8:40 pm
LHR
-
LAS
20h 35m
1 stop
$641JetBlue
Fri, Jan 30 - Sat, Feb 7
United Airlines Logo
7:30 am - 12:00 pm
LAS
-
LHR
21h 30m
1 stop
United Airlines Logo
12:05 pm - 5:54 pm
LHR
-
LAS
36h 49m
2 stops
$645United Airlines
Fri, Mar 13 - Fri, Mar 20
Delta Logo
5:05 pm - 4:35 pm
LAS
-
LCY
16h 30m
1 stop
Delta Logo
8:40 am - 3:15 pm
LCY
-
LAS
13h 35m
1 stop
$651Delta
Tue, Mar 10 - Tue, Mar 17
Virgin Atlantic Logo
7:03 am - 9:30 am
LAS
-
LCY
18h 27m
2 stops
Virgin Atlantic Logo
5:50 pm - 3:15 pm
LCY
-
LAS
28h 25m
1 stop
$655Virgin Atlantic
Wed, Mar 4 - Wed, Mar 11
Virgin Atlantic Logo
7:03 am - 7:15 am
LAS
-
LCY
16h 12m
2 stops
Virgin Atlantic Logo
10:00 am - 9:46 pm
LCY
-
LAS
18h 46m
2 stops
$665Virgin Atlantic
Wed, Mar 4 - Tue, Mar 24

British Airways flights from Las Vegas to London

Our best British Airways deals on Las Vegas to London flight tickets
British Airways
Feb 8
LAS8:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR2:50 pmLondon Heathrow
Feb 17
LHR4:05 pmLondon Heathrow
10h 45m
LAS6:50 pmLas Vegas Harry Reid Intl
$637
British Airways
Feb 8
LAS8:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR2:50 pmLondon Heathrow
Feb 17
LHR4:05 pmLondon Heathrow
10h 45m
LAS6:50 pmLas Vegas Harry Reid Intl
$638
British Airways
Feb 28
LAS8:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR2:50 pmLondon Heathrow
Aug 20
LHR12:55 pmLondon Heathrow
15h 20m
1 stop
LAS8:15 pmLas Vegas Harry Reid Intl
$640

JetBlue flights from Las Vegas to London

Our best JetBlue deals on Las Vegas to London flight tickets
JetBlue
Jan 30
LAS11:59 pmLas Vegas Harry Reid Intl
14h 01m
1 stop
LHR10:00 pmLondon Heathrow
Feb 7
LHR8:05 amLondon Heathrow
20h 35m
1 stop
LAS8:40 pmLas Vegas Harry Reid Intl
$641
JetBlue
Jan 21
LAS11:28 amLas Vegas Harry Reid Intl
35h 27m
1 stop
LHR6:55 amLondon Heathrow
Jan 29
LHR9:20 amLondon Heathrow
22h 39m
1 stop
LAS11:59 pmLas Vegas Harry Reid Intl
$737
JetBlue
Jan 21
LAS2:50 pmLas Vegas Harry Reid Intl
32h 05m
1 stop
LHR6:55 amLondon Heathrow
Apr 14
LHR8:40 amLondon Heathrow
21h 30m
1 stop
LAS10:10 pmLas Vegas Harry Reid Intl
$738

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to London 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 832,500 searches. Data last updated January 19, 2026.
Use the filters below to find and compare flights from Las Vegas to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 2/8

8:55 pm-2:50 pm

Nonstop9h 55m

London Heathrow

Tue 2/17

4:05 pm-6:50 pm

Nonstop10h 45m

$637

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 2/8

8:55 pm-2:50 pm

Nonstop9h 55m

London Heathrow

Tue 2/17

4:05 pm-6:50 pm

Nonstop10h 45m

$638

Las VegasLondon

LAS - STN

LASSTN

Las Vegas Harry Reid Intl

Tue 3/10

8:35 pm-6:20 pm

1 stop14h 45m

London Stansted

Tue 3/17

6:30 am-6:50 pm

1 stop19h 20m

$639

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 2/15

9:00 am-11:20 am

2 stops18h 20m

London Heathrow

Sun 2/22

1:25 pm-11:30 pm

2 stops18h 05m

$639

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 2/28

8:55 pm-2:50 pm

Nonstop9h 55m

London Heathrow

Thu 8/20

12:55 pm-8:15 pm

1 stop15h 20m

$640

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 1/30

11:59 pm-10:00 pm

1 stop14h 01m

London Heathrow

Sat 2/7

8:05 am-8:40 pm

1 stop20h 35m

$641

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 3/13

7:30 am-12:00 pm

1 stop21h 30m

London Heathrow

Fri 3/20

12:05 pm-5:54 pm

2 stops36h 49m

$645

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Tue 3/10

5:05 pm-4:35 pm

1 stop16h 30m

London City

Tue 3/17

8:40 am-3:15 pm

1 stop13h 35m

$651

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Wed 3/4

7:03 am-9:30 am

2 stops18h 27m

London City

Wed 3/11

5:50 pm-3:15 pm

1 stop28h 25m

$655

Las VegasLondon

LAS - LCY

LASLCY

Las Vegas Harry Reid Intl

Wed 3/4

7:03 am-7:15 am

2 stops16h 12m

London City

Tue 3/24

10:00 am-9:46 pm

2 stops18h 46m

$665

Flights are sorted by cheapest round-trip 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

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?

The cheapest month to fly to London from Las Vegas is in February. Flight prices, which tend to average around $566, are often lower during this time because this is during the off-season. The month of January is another great option to travel to London, with average flight prices from Las Vegas averaging around $648.

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

The cheapest day to depart from Las Vegas to London is on a Tuesday. Travelers who choose to depart for London on a Tuesday will often find tickets for as low as $889. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $1,102. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

What is the cheapest time of day to depart on your flight to London?

Flying to London from Las Vegas in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $863 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $964. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Las Vegas Harry Reid Intl to London flight route?

Fly from Las Vegas Harry Reid Intl to London Heathrow for the best Las Vegas Harry Reid Intl - London flight prices

How far in advance should I book a flight to London?

You are more likely to see cheaper flights to London from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $912 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Las Vegas for as low as $730 on momondo.

What cabin class options are available on Las Vegas Harry Reid Intl to London flights?

There are 3 cabin classes available to choose from on Las Vegas Harry Reid Intl to London 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 flights?

You could potentially save up to 46% on your flight if you consider stops on a Las Vegas to London flight.

How have Las Vegas to London flight prices changed over time?

As of January 2026, prices for Las Vegas to London flights are approximately 67% more expensive when compared to flights at the same time last year.

When to book flights from Las Vegas to London

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to London (LAS to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to London

Best Price Found

$474

Fastest flight time

9h 55m

Direct flights

Every day

Airports in London

6 airports
The best one-way flight to London from Las Vegas in the past 72 hours is $474. The best round-trip flight deal from Las Vegas to London found on momondo in the last 72 hours is $659.
The fastest flight from Las Vegas to London takes 9h 55m
Direct flights go from Las Vegas to London every day.
There are 6 airports in London. From Las Vegas there are direct flights to London Heathrow (LHR).
Search flight deals

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

    The straight-line distance from Las Vegas Harry Reid Intl to London is 5216.7 mi. 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?

    Prices for flights from Las Vegas Harry Reid Intl Airport to London are updated daily.

  • How many operators does momondo search for flights from Las Vegas Harry Reid Intl Airport to London?

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to London?

    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.

  • What documentation or ID do you need to fly to London?

    The required travel and health documents for your London 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. 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?

  • What is the most popular airline from Las Vegas to London?

Best airlines flying from Las Vegas to London

Compare and see reviews for airlines that fly from Las Vegas to London with momondo
Airline
Rating
Free Cancellation
Price
Norse Atlantic UKPriceFrom $435Free CancellationRating
7.2
51 reviews
Search Norse Atlantic UK flights
Virgin AtlanticPriceFrom $541Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $549Free CancellationRating
6.7
7,689 reviews
Search British Airways flights
American AirlinesPriceFrom $567Free CancellationRating
7.2
11,161 reviews
Search American Airlines flights
IberiaPriceFrom $596Free CancellationRating
7.0
3,091 reviews
Search Iberia flights
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,177 reviews
Search United Airlines flights
Air CanadaPriceFrom $610Free CancellationRating
7.1
10,635 reviews
Search Air Canada flights
DeltaPriceFrom $615Free CancellationRating
7.9
8,075 reviews
Search Delta flights
JetBluePriceFrom $638Free CancellationRating
7.2
2,891 reviews
Search JetBlue flights
FinnairPriceFrom $685Free CancellationRating
7.6
1,351 reviews
Search Finnair flights

  • Delta Flights From Las Vegas to London

    Delta flight deals from Las Vegas to London start from $615 round-trip. Over the 7 Delta flights for this route in a normal week, average airfare is usually $956 round-trip - but some users have found much cheaper deals with momondo.

  • Finnair Flights From Las Vegas to London

    Finnair (7.6/10 from 1,351 reviews) operates around 7 flights from Las Vegas to London in any given week. The average Finnair airfare for this route is around $916, with deals from around $685 rare but found on momondo. Referenced prices are for round-trip Las Vegas to London flight searches in the last 72 hours.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Luton
Milton Keynes
Dover
Slough
Guildford
Crawley
Dartford
Hayes
Wembley
Brentwood
Watford
Cobham
Folkestone
Romford
Harrow
Croydon
Richmond
Uxbridge

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?

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 offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Las Vegas to London.

I’m not ready to book a flight from Las Vegas to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Las Vegas to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your London trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport