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Cheap flights from London Heathrow Airport to Las Vegas from $387

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Las Vegas departing on 9/8. 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 London Heathrow Airport to Las Vegas

Cheap round-trip flights

United Airlines Logo
6:30 am - 9:48 pmLHR-LAS
23h 18m2 stops
United Airlines Logo
6:49 pm - 11:10 amLAS-LHR
32h 21m1 stop
$545United Airlines
Find Deal
Fri, Sep 19 - Sat, Sep 20
Logo
6:40 am - 10:26 pmLHR-LAS
23h 46m2 stops
Logo
12:11 pm - 9:40 pmLAS-LHR
25h 29m2 stops
$553
Find Deal
Mon, Sep 22 - Mon, Sep 29
Logo
6:40 am - 10:26 pmLHR-LAS
23h 46m2 stops
Logo
12:11 pm - 9:20 amLAS-LHR
37h 09m2 stops
$554
Find Deal
Mon, Sep 22 - Fri, Sep 26
Logo
7:05 am - 10:26 pmLHR-LAS
23h 21m3 stops
Logo
12:11 pm - 5:40 pmLAS-LHR
21h 29m2 stops
$557
Find Deal
Mon, Sep 22 - Mon, Sep 29
Logo
9:05 pm - 9:09 pmLHR-LAS
32h 04m3 stops
Logo
12:11 pm - 6:30 pmLAS-LHR
22h 19m2 stops
$558
Find Deal
Tue, Sep 16 - Tue, Sep 23
Logo
6:40 am - 10:26 pmLHR-LAS
23h 46m2 stops
Logo
12:11 pm - 9:20 amLAS-LHR
37h 09m2 stops
$562
Find Deal
Mon, Sep 22 - Fri, Sep 26
Logo
9:05 pm - 9:19 pmLHR-LAS
32h 14m3 stops
Logo
12:11 pm - 5:40 pmLAS-LHR
21h 29m2 stops
$569
Find Deal
Tue, Sep 9 - Tue, Sep 16
Logo
10:20 am - 9:19 pmLHR-LAS
18h 59m2 stops
Logo
12:11 pm - 5:40 pmLAS-LHR
21h 29m2 stops
$570
Find Deal
Tue, Sep 9 - Tue, Sep 16
United Airlines Logo
1:05 pm - 9:40 amLHR-LAS
28h 35m1 stop
United Airlines Logo
12:35 pm - 11:45 amLAS-LHR
15h 10m1 stop
$613United Airlines
Find Deal
Sat, Aug 23 - Sun, Aug 24
Lufthansa Logo
6:30 am - 4:20 pmLHR-LAS
17h 50m1 stop
Lufthansa Logo
3:44 pm - 10:25 amLAS-LHR
34h 41m1 stop
$656Lufthansa
Find Deal
Fri, Aug 22 - Sat, Aug 23

United Airlines flights from London Heathrow Airport to Las Vegas

Our best United Airlines deals on London Heathrow Airport to Las Vegas flight tickets
United Airlines
Sep 19
LHR6:30 amLondon Heathrow
23h 18m
2 stops
LAS9:48 pmLas Vegas Harry Reid Intl
Sep 20
LAS6:49 pmLas Vegas Harry Reid Intl
32h 21m
1 stop
LHR11:10 amLondon Heathrow
$545
Find similar
United Airlines
Aug 23
LHR1:05 pmLondon Heathrow
28h 35m
1 stop
LAS9:40 amLas Vegas Harry Reid Intl
Aug 24
LAS12:35 pmLas Vegas Harry Reid Intl
15h 10m
1 stop
LHR11:45 amLondon Heathrow
$613
Find similar
United Airlines
Aug 23
LHR1:05 pmLondon Heathrow
28h 35m
1 stop
LAS9:40 amLas Vegas Harry Reid Intl
Aug 25
LAS7:00 amLas Vegas Harry Reid Intl
15h 20m
1 stop
LHR6:20 amLondon Heathrow
$616
Find similar

Lufthansa flights from London Heathrow Airport to Las Vegas

Our best Lufthansa deals on London Heathrow Airport to Las Vegas flight tickets
Lufthansa
Aug 22
LHR6:30 amLondon Heathrow
17h 50m
1 stop
LAS4:20 pmLas Vegas Harry Reid Intl
Aug 23
LAS3:44 pmLas Vegas Harry Reid Intl
34h 41m
1 stop
LHR10:25 amLondon Heathrow
$656
Find similar
Lufthansa
Aug 9
LHR2:50 pmLondon Heathrow
13h 42m
1 stop
LAS8:32 pmLas Vegas Harry Reid Intl
Aug 11
LAS9:05 amLas Vegas Harry Reid Intl
14h 20m
1 stop
LHR7:25 amLondon Heathrow
$834
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Las Vegas 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 July 31, 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 9/19

6:30 am-9:48 pm

2 stops23h 18m

Las Vegas Harry Reid Intl

Sat 9/20

6:49 pm-11:10 am

1 stop32h 21m

$545

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 9/22

6:40 am-10:26 pm

2 stops23h 46m

Las Vegas Harry Reid Intl

Mon 9/29

12:11 pm-9:40 pm

2 stops25h 29m

$553

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 9/22

6:40 am-10:26 pm

2 stops23h 46m

Las Vegas Harry Reid Intl

Fri 9/26

12:11 pm-9:20 am

2 stops37h 09m

$554

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 9/22

7:05 am-10:26 pm

3 stops23h 21m

Las Vegas Harry Reid Intl

Mon 9/29

12:11 pm-5:40 pm

2 stops21h 29m

$557

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 9/16

9:05 pm-9:09 pm

3 stops32h 04m

Las Vegas Harry Reid Intl

Tue 9/23

12:11 pm-6:30 pm

2 stops22h 19m

$558

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 9/22

6:40 am-10:26 pm

2 stops23h 46m

Las Vegas Harry Reid Intl

Fri 9/26

12:11 pm-9:20 am

2 stops37h 09m

$562

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 9/9

9:05 pm-9:19 pm

3 stops32h 14m

Las Vegas Harry Reid Intl

Tue 9/16

12:11 pm-5:40 pm

2 stops21h 29m

$569

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 9/9

10:20 am-9:19 pm

2 stops18h 59m

Las Vegas Harry Reid Intl

Tue 9/16

12:11 pm-5:40 pm

2 stops21h 29m

$570

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 8/23

1:05 pm-9:40 am

1 stop28h 35m

Las Vegas Harry Reid Intl

Sun 8/24

12:35 pm-11:45 am

1 stop15h 10m

$613

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 8/22

6:30 am-4:20 pm

1 stop17h 50m

Las Vegas Harry Reid Intl

Sat 8/23

3:44 pm-10:25 am

1 stop34h 41m

$656

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 Las Vegas from

How to get the cheapest flight ticket from London Heathrow Airport to Las Vegas

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 Las Vegas?

The month of February is, on average, the cheapest month to fly to Las Vegas from London Heathrow Airport, with most prices found around $778. The month of January is another great option to travel to Las Vegas, with average flight prices from London Heathrow Airport averaging around $784.

What is the cheapest day to depart on your flight to Las Vegas?

Our data shows that Sunday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $774. Flights from London Heathrow Airport to Las Vegas on a Monday will generally be more expensive and average around $963. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

The cheapest time of day to fly to Las Vegas is in the morning when flights can be purchased for as low as $654. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $962. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $900 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from London Heathrow Airport for as low as $821 on momondo.

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

There are 4 cabin classes available to choose from on London Heathrow to Las Vegas Harry Reid Intl 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 London Heathrow Airport to Las Vegas flights?

You could potentially save up to 22% on your flight if you consider stops on a London Heathrow Airport to Las Vegas flight.

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

As of July 2025, prices for London Heathrow Airport to Las Vegas flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Las Vegas

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

Cheap London Heathrow Airport to Las Vegas (LHR to LAS) flight deals and tips

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

Best Price Found

$387

Fastest flight time

17h 50m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from London Heathrow Airport in the past 72 hours is $387. The best round-trip flight deal from London Heathrow Airport to Las Vegas found on momondo in the last 72 hours is $545.
The fastest flight from London Heathrow Airport to Las Vegas takes 17h 50m
Direct flights go from London Heathrow Airport to Las Vegas on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: Virgin Atlantic, Delta and Finnair.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
Search flight deals

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

    The straight-line distance from London Heathrow to Las Vegas Harry Reid Intl is 5207.1 mi. In terms of flight time, this usually takes a little over 17h 50m.

  • When did momondo last update prices for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport?

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Heathrow Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents required for your trip to Las Vegas Harry Reid Intl 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 Las Vegas Harry Reid Intl 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 London Heathrow Airport to Las Vegas?

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

Best airlines flying from London Heathrow Airport to Las Vegas

Compare and see reviews for airlines that fly from London Heathrow Airport to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $616Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
British AirwaysPriceFrom $685Free CancellationRating
6.6
7,222 reviews
Search British Airways flights
DeltaPriceFrom $693Free CancellationRating
8.0
7,981 reviews
Search Delta flights
Virgin AtlanticPriceFrom $740Free CancellationRating
7.4
655 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $763Free CancellationRating
7.0
2,859 reviews
Search Iberia flights

  • Delta Flights From London Heathrow Airport to Las Vegas

    The lowest priced Delta flight from London Heathrow Airport to Las Vegas from the last 72 hours was $693. Generally, Delta has 7 flights on this route every week with an average price of $878. Delta is rated 8.0/10 by our users.

  • Virgin Atlantic Flights From London Heathrow Airport to Las Vegas

    The best Virgin Atlantic deal for London Heathrow Airport to Las Vegas flight tickets found on momondo in the last 72 hours was $740, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at $960 round-trip. Virgin Atlantic operates 7 flights out of London Heathrow Airport into Las Vegas in an average week, so prices vary by time and availability. 655 Virgin Atlantic reviews by users on momondo have scored the airline at 7.4/10.

Traveling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Mount Charleston
Henderson
Mesquite
North Las Vegas
Paradise
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Winchester
Sunrise Manor
Needles

Why use momondo?

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

It is quick and easy to find London to Las Vegas 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 Las Vegas that suits you.

Can I find flights from London to Las Vegas with flexible booking policies on momondo?

momondo does allow users to show only those flights to Las Vegas from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Las Vegas?

momondo helps you find the best flight between London and Las Vegas 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 London to Las Vegas right now. Can momondo alert me if prices change?

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

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