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Cheap flights from Las Vegas to London from $186

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 1/15. 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.
Lufthansa Logo
10:44 am - 1:30 pm
LAS
-
LHR
18h 46m1 stop
Lufthansa Logo
9:30 am - 8:52 pm
LHR
-
LAS
19h 22m2 stops
$607Lufthansa
Tue, Jan 13 - Tue, Jan 20
SWISS Logo
7:00 pm - 5:50 pm
LAS
-
LHR
14h 50m1 stop
SWISS Logo
8:45 am - 4:25 pm
LHR
-
LAS
15h 40m1 stop
$609SWISS
Tue, Apr 21 - Tue, Apr 28
Aer Lingus Logo
7:35 pm - 4:50 pm
LAS
-
LHR
13h 15m1 stop
Aer Lingus Logo
9:50 am - 5:50 pm
LHR
-
LAS
16h 00m1 stop
$611Aer Lingus
Tue, Jan 27 - Sat, Jan 31
Air Canada Logo
6:15 am - 11:50 am
LAS
-
LHR
21h 35m1 stop
Air Canada Logo
2:30 pm - 10:27 pm
LHR
-
LAS
15h 57m1 stop
$612Air Canada
Fri, Jan 30 - Fri, Feb 6
Brussels Airlines Logo
11:01 am - 7:55 am
LAS
-
LHR
12h 54m1 stop
Brussels Airlines Logo
1:35 pm - 6:25 pm
LHR
-
LAS
36h 50m1 stop
$614Brussels Airlines
Fri, Jan 16 - Thu, Jan 22
KLM Logo
8:45 pm - 2:40 pm
LAS
-
LHR
9h 55mnonstop
KLM Logo
6:30 am - 2:15 pm
LHR
-
LAS
15h 45m1 stop
$615KLM
Tue, Jan 13 - Tue, Jan 20
Virgin Atlantic Logo
11:27 pm - 8:10 pm
LAS
-
LHR
12h 43m1 stop
Virgin Atlantic Logo
6:30 am - 2:15 pm
LHR
-
LAS
15h 45m1 stop
$616Virgin Atlantic
Fri, Jan 23 - Thu, Jan 29
Air Canada Logo
6:15 am - 11:50 am
LAS
-
LHR
21h 35m1 stop
Air Canada Logo
6:50 am - 8:39 pm
LHR
-
LAS
21h 49m2 stops
$617Air Canada
Wed, Feb 4 - Sun, Feb 22
Multiple Airlines Logo
2:30 pm - 11:15 am
LAS
-
LHR
12h 45m1 stop
Multiple Airlines Logo
10:25 am - 5:54 pm
LHR
-
LAS
15h 29m1 stop
$618Multiple Airlines
Wed, Feb 11 - Thu, Feb 19
Delta Logo
7:05 pm - 4:50 pm
LAS
-
LHR
13h 45m1 stop
Delta Logo
8:40 am - 2:15 pm
LHR
-
LAS
13h 35m1 stop
$619Delta
Fri, Jan 16 - Sat, Jan 24

Lufthansa flights from Las Vegas to London Heathrow Airport

Our best Lufthansa deals on Las Vegas to London Heathrow Airport flight tickets
Lufthansa
Jan 13
LAS10:44 amLas Vegas Harry Reid Intl
18h 46m
1 stop
LHR1:30 pmLondon Heathrow
Jan 20
LHR9:30 amLondon Heathrow
19h 22m
2 stops
LAS8:52 pmLas Vegas Harry Reid Intl
$607
Find similar
Lufthansa
Mar 11
LAS1:11 pmLas Vegas Harry Reid Intl
13h 29m
1 stop
LHR9:40 amLondon Heathrow
Mar 16
LHR10:00 amLondon Heathrow
20h 30m
1 stop
LAS11:30 pmLas Vegas Harry Reid Intl
$623
Find similar
Lufthansa
Feb 24
LAS1:10 pmLas Vegas Harry Reid Intl
19h 40m
2 stops
LHR4:50 pmLondon Heathrow
Mar 1
LHR6:30 amLondon Heathrow
21h 45m
2 stops
LAS8:15 pmLas Vegas Harry Reid Intl
$626
Find similar

Aer Lingus flights from Las Vegas to London Heathrow Airport

Our best Aer Lingus deals on Las Vegas to London Heathrow Airport flight tickets
Aer Lingus
Jan 27
LAS7:35 pmLas Vegas Harry Reid Intl
13h 15m
1 stop
LHR4:50 pmLondon Heathrow
Jan 31
LHR9:50 amLondon Heathrow
16h 00m
1 stop
LAS5:50 pmLas Vegas Harry Reid Intl
$611
Find similar
Aer Lingus
Mar 10
LAS8:35 pmLas Vegas Harry Reid Intl
13h 15m
1 stop
LHR4:50 pmLondon Heathrow
Mar 17
LHR12:10 pmLondon Heathrow
13h 40m
1 stop
LAS6:50 pmLas Vegas Harry Reid Intl
$622
Find similar

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 18, 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 1/13

10:44 am-1:30 pm

1 stop18h 46m

London Heathrow

Tue 1/20

9:30 am-8:52 pm

2 stops19h 22m

$607

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 4/21

7:00 pm-5:50 pm

1 stop14h 50m

London Heathrow

Tue 4/28

8:45 am-4:25 pm

1 stop15h 40m

$609

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 1/27

7:35 pm-4:50 pm

1 stop13h 15m

London Heathrow

Sat 1/31

9:50 am-5:50 pm

1 stop16h 00m

$611

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 1/30

6:15 am-11:50 am

1 stop21h 35m

London Heathrow

Fri 2/6

2:30 pm-10:27 pm

1 stop15h 57m

$612

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 1/16

11:01 am-7:55 am

1 stop12h 54m

London Heathrow

Thu 1/22

1:35 pm-6:25 pm

1 stop36h 50m

$614

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 1/13

8:45 pm-2:40 pm

Nonstop9h 55m

London Heathrow

Tue 1/20

6:30 am-2:15 pm

1 stop15h 45m

$615

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 1/23

11:27 pm-8:10 pm

1 stop12h 43m

London Heathrow

Thu 1/29

6:30 am-2:15 pm

1 stop15h 45m

$616

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/4

6:15 am-11:50 am

1 stop21h 35m

London Heathrow

Sun 2/22

6:50 am-8:39 pm

2 stops21h 49m

$617

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/11

2:30 pm-11:15 am

1 stop12h 45m

London Heathrow

Thu 2/19

10:25 am-5:54 pm

1 stop15h 29m

$618

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 1/16

7:05 pm-4:50 pm

1 stop13h 45m

London Heathrow

Sat 1/24

8:40 am-2:15 pm

1 stop13h 35m

$619

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 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?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Las Vegas, with most prices found around $688. If you’re not able to fly to London Heathrow Airport in February, then January is your next best option. Flight prices from Las Vegas to London Heathrow Airport during January average around $720.

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

Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $923. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $1,126.

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 morning. momondo users have found flights departing from Las Vegas to London Heathrow Airport in the morning for as low as $783. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $986.

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 $915 when searching weeks out. 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 $737 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 7% 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 December 2025, prices for Las Vegas to London Heathrow Airport flights are approximately 6% 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 round-trip 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

$514

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 $514. The best round-trip flight deal from Las Vegas to London Heathrow Airport found on momondo in the last 72 hours is $646.
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?

    The distance between Las Vegas Harry Reid Intl and London Heathrow is about 5207.1 mi. Flights usually cover this in 9h 50m, depending on flying conditions and air traffic around both airports.

  • 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 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 Heathrow Airport.

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

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 $542Free CancellationRating
7.5
675 reviews
Search Virgin Atlantic flights
British AirwaysPriceFrom $566Free CancellationRating
6.7
7,586 reviews
Search British Airways flights
IberiaPriceFrom $596Free CancellationRating
7.0
3,053 reviews
Search Iberia flights
United AirlinesPriceFrom $598Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
Air CanadaPriceFrom $610Free CancellationRating
7.1
10,534 reviews
Search Air Canada flights
DeltaPriceFrom $616Free CancellationRating
7.9
8,008 reviews
Search Delta flights
American AirlinesPriceFrom $639Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights
FinnairPriceFrom $685Free CancellationRating
7.6
1,338 reviews
Search Finnair flights
JetBluePriceFrom $687Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
Aer LingusPriceFrom $1,033Free CancellationRating
7.2
1,399 reviews
Search Aer Lingus flights

  • Delta Flights From Las Vegas to London Heathrow Airport

    The lowest priced Delta flight from Las Vegas to London Heathrow Airport from the last 72 hours was $616. Generally, Delta has 5 flights on this route every week with an average price of $957. Delta is rated 7.9/10 by our users.

  • Finnair Flights From Las Vegas to London Heathrow Airport

    The best Finnair deal for Las Vegas to London Heathrow Airport flight tickets found on momondo in the last 72 hours was $685, round-trip. It should be noted that an average Finnair flight deal for this route in this time was higher, at $916 round-trip. Finnair operates 7 flights out of Las Vegas into London Heathrow Airport in an average week, so prices vary by time and availability. 1,338 Finnair reviews by users on momondo have scored the airline at 7.6/10.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Salisbury
Wembley
Watford
Ilford
Cobham
Folkestone
Romford
Richmond

Why use momondo?

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

It is quick and easy to find Las Vegas to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits 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 helps you find the best flight between Las Vegas and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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 simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Las Vegas and alert you when they change.

An easier way to manage your London Heathrow Airport 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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