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Cheap flights from London Heathrow Airport to Las Vegas from $431

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 4/8. 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

Enter your travel dates to find the best prices.
British Airways Logo
11:50 am - 7:45 pm
LHR
-
LAS
15h 55m
1 stop
British Airways Logo
9:45 am - 6:50 am
LAS
-
LHR
13h 05m
1 stop
$587British Airways
Wed, Feb 11 - Tue, Feb 17
Multiple Airlines Logo
10:50 am - 10:29 pm
LHR
-
LAS
19h 39m
2 stops
Multiple Airlines Logo
12:00 pm - 9:35 am
LAS
-
LHR
13h 35m
1 stop
$588Multiple Airlines
Wed, Apr 29 - Mon, May 4
SWISS Logo
8:05 pm - 4:25 pm
LHR
-
LAS
28h 20m
1 stop
SWISS Logo
10:46 am - 10:10 am
LAS
-
LHR
15h 24m
1 stop
$589SWISS
Sun, May 10 - Sun, May 24
Multiple Airlines Logo
6:50 am - 8:39 pm
LHR
-
LAS
21h 49m
2 stops
Multiple Airlines Logo
10:52 am - 7:55 am
LAS
-
LHR
13h 03m
1 stop
$590Multiple Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
6:50 am - 8:39 pm
LHR
-
LAS
20h 49m
2 stops
Multiple Airlines Logo
3:55 pm - 12:00 pm
LAS
-
LHR
13h 05m
1 stop
$591Multiple Airlines
Thu, Mar 19 - Tue, Mar 24
Air Canada Logo
1:25 pm - 8:39 pm
LHR
-
LAS
15h 14m
1 stop
Air Canada Logo
6:15 am - 11:50 am
LAS
-
LHR
21h 35m
1 stop
$592Air Canada
Sat, Feb 7 - Thu, Feb 12
United Airlines Logo
1:45 pm - 11:55 pm
LHR
-
LAS
18h 10m
2 stops
United Airlines Logo
1:42 pm - 1:30 pm
LAS
-
LHR
15h 48m
2 stops
$593United Airlines
Sun, Feb 15 - Sat, Feb 21
United Airlines Logo
3:20 pm - 11:55 pm
LHR
-
LAS
16h 35m
1 stop
United Airlines Logo
9:00 am - 9:40 am
LAS
-
LHR
16h 40m
1 stop
$594United Airlines
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
1:25 pm - 8:39 pm
LHR
-
LAS
15h 14m
1 stop
Multiple Airlines Logo
7:30 am - 7:10 am
LAS
-
LHR
15h 40m
2 stops
$595Multiple Airlines
Fri, Feb 27 - Wed, Mar 4
United Airlines Logo
7:30 am - 5:23 pm
LHR
-
LAS
17h 53m
2 stops
United Airlines Logo
6:00 am - 11:35 am
LAS
-
LHR
21h 35m
1 stop
$596United Airlines
Mon, Apr 6 - Thu, Apr 16

British Airways flights from London Heathrow Airport to Las Vegas

Our best British Airways deals on London Heathrow Airport to Las Vegas flight tickets
British Airways
Feb 11
LHR11:50 amLondon Heathrow
15h 55m
1 stop
LAS7:45 pmLas Vegas Harry Reid Intl
Feb 17
LAS9:45 amLas Vegas Harry Reid Intl
13h 05m
1 stop
LHR6:50 amLondon Heathrow
$587
British Airways
Apr 28
LHR12:00 pmLondon Heathrow
13h 30m
1 stop
LAS5:30 pmLas Vegas Harry Reid Intl
May 5
LAS10:42 amLas Vegas Harry Reid Intl
13h 23m
1 stop
LHR8:05 amLondon Heathrow
$591
British Airways
Jun 29
LHR5:15 pmLondon Heathrow
10h 45m
LAS8:00 pmLas Vegas Harry Reid Intl
Jul 13
LAS10:55 pmLas Vegas Harry Reid Intl
12h 50m
1 stop
LHR7:45 pmLondon Heathrow
$596

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
Feb 6
LHR4:20 pmLondon Heathrow
37h 37m
1 stop
LAS9:57 pmLas Vegas Harry Reid Intl
Feb 7
LAS12:59 amLas Vegas Harry Reid Intl
22h 31m
1 stop
LHR7:30 amLondon Heathrow
$588
United Airlines
Feb 2
LHR1:45 pmLondon Heathrow
15h 07m
1 stop
LAS8:52 pmLas Vegas Harry Reid Intl
Feb 18
LAS11:22 pmLas Vegas Harry Reid Intl
13h 13m
1 stop
LHR8:35 pmLondon Heathrow
$592
United Airlines
Feb 15
LHR1:45 pmLondon Heathrow
18h 10m
2 stops
LAS11:55 pmLas Vegas Harry Reid Intl
Feb 21
LAS1:42 pmLas Vegas Harry Reid Intl
15h 48m
2 stops
LHR1:30 pmLondon Heathrow
$593

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 January 28, 2026.
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

Wed 2/11

11:50 am-7:45 pm

1 stop15h 55m

Las Vegas Harry Reid Intl

Tue 2/17

9:45 am-6:50 am

1 stop13h 05m

$587

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 4/29

10:50 am-10:29 pm

2 stops19h 39m

Las Vegas Harry Reid Intl

Mon 5/4

12:00 pm-9:35 am

1 stop13h 35m

$588

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 5/10

8:05 pm-4:25 pm

1 stop28h 20m

Las Vegas Harry Reid Intl

Sun 5/24

10:46 am-10:10 am

1 stop15h 24m

$589

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 2/26

6:50 am-8:39 pm

2 stops21h 49m

Las Vegas Harry Reid Intl

Mon 3/2

10:52 am-7:55 am

1 stop13h 03m

$590

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 3/19

6:50 am-8:39 pm

2 stops20h 49m

Las Vegas Harry Reid Intl

Tue 3/24

3:55 pm-12:00 pm

1 stop13h 05m

$591

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 2/7

1:25 pm-8:39 pm

1 stop15h 14m

Las Vegas Harry Reid Intl

Thu 2/12

6:15 am-11:50 am

1 stop21h 35m

$592

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 2/15

1:45 pm-11:55 pm

2 stops18h 10m

Las Vegas Harry Reid Intl

Sat 2/21

1:42 pm-1:30 pm

2 stops15h 48m

$593

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 2/26

3:20 pm-11:55 pm

1 stop16h 35m

Las Vegas Harry Reid Intl

Mon 3/2

9:00 am-9:40 am

1 stop16h 40m

$594

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 2/27

1:25 pm-8:39 pm

1 stop15h 14m

Las Vegas Harry Reid Intl

Wed 3/4

7:30 am-7:10 am

2 stops15h 40m

$595

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 4/6

7:30 am-5:23 pm

2 stops17h 53m

Las Vegas Harry Reid Intl

Thu 4/16

6:00 am-11:35 am

1 stop21h 35m

$596

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 typical price of a round-trip flight between London Heathrow Airport and Las Vegas?

What is the cheapest month to fly to Las Vegas?

The month of January is, on average, the cheapest month to fly to Las Vegas from London Heathrow Airport, with most prices found around $759. The month of February is another great option to travel to Las Vegas, with average flight prices from London Heathrow Airport averaging around $785.

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

Our data shows that Tuesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $903. Flights from London Heathrow Airport to Las Vegas on a Friday will generally be more expensive and average around $1,038. 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 $815. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $985. 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 $871 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 $818 on momondo.

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

There are 3 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 10% 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 January 2026, prices for London Heathrow Airport to Las Vegas flights are approximately 40% more expensive 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

$726

Fastest flight time

10h 40m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from London Heathrow Airport in the past 72 hours is $726. The best round-trip flight deal from London Heathrow Airport to Las Vegas found on momondo in the last 72 hours is $568.
The fastest flight from London Heathrow Airport to Las Vegas takes 10h 40m
Direct flights go from London Heathrow Airport to Las Vegas every day.
There is 1 airport in Las Vegas. From London Heathrow Airport there are direct flights to 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 10h 40m.

  • 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
DeltaPriceFrom $600Free CancellationRating
7.9
8,124 reviews
Search Delta flights
Virgin AtlanticPriceFrom $651Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $652Free CancellationRating
7.2
11,199 reviews
Search American Airlines flights
British AirwaysPriceFrom $692Free CancellationRating
6.7
7,705 reviews
Search British Airways 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 $600. Generally, Delta has 5 flights on this route every week with an average price of $930. Delta is rated 7.9/10 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 $651, round-trip. It should be noted that an average Virgin Atlantic flight deal for this route in this time was higher, at $1,056 round-trip. Virgin Atlantic operates 5 flights out of London Heathrow Airport into Las Vegas in an average week, so prices vary by time and availability. 678 Virgin Atlantic reviews by users on momondo have scored the airline at 7.5/10.

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
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
Winchester
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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