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Cheap flights from London to Las Vegas from $439

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 to Las Vegas departing on 1/27. 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 round-trip flights

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Virgin Atlantic Logo
4:00 pm - 6:50 pmLHR-LAS
10h 50mnonstop
Virgin Atlantic Logo
8:45 pm - 2:40 pmLAS-LHR
9h 55mnonstop
$642Virgin Atlantic
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Thu, Jan 1 - Tue, Jan 6
WestJet Logo
2:50 pm - 9:33 pmLHR-LAS
14h 43m1 stop
WestJet Logo
7:05 pm - 12:50 pmLAS-LHR
33h 45m1 stop
$643WestJet
Find Deal
Fri, Feb 6 - Tue, Feb 10
Virgin Atlantic Logo
2:30 pm - 5:10 pmLHR-LAS
10h 40mnonstop
Virgin Atlantic Logo
8:45 pm - 2:40 pmLAS-LHR
9h 55mnonstop
$644Virgin Atlantic
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Sun, Dec 21 - Wed, Jan 7
British Airways Logo
2:45 pm - 10:34 pmLHR-LAS
15h 49m1 stop
British Airways Logo
8:55 pm - 2:50 pmLAS-LHR
9h 55mnonstop
$645British Airways
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Fri, Jan 16 - Wed, Feb 25
Multiple Airlines Logo
2:00 pm - 10:03 amLGW-LAS
28h 03m1 stop
Multiple Airlines Logo
7:00 am - 10:00 amLAS-LGW
19h 00m2 stops
$645Multiple Airlines
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Thu, Nov 27 - Thu, Dec 4
British Airways Logo
11:50 am - 2:55 pmLHR-LAS
11h 05mnonstop
British Airways Logo
8:55 pm - 2:50 pmLAS-LHR
9h 55mnonstop
$646British Airways
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Fri, Jan 9 - Sat, Jan 17
WestJet Logo
2:50 pm - 9:33 pmLHR-LAS
14h 43m1 stop
WestJet Logo
7:05 pm - 12:50 pmLAS-LHR
33h 45m1 stop
$647WestJet
Find Deal
Tue, Feb 3 - Tue, Feb 10
Iberia Logo
4:05 pm - 6:50 pmLHR-LAS
10h 45mnonstop
Iberia Logo
11:59 am - 12:20 pmLAS-LHR
16h 21m1 stop
$649Iberia
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Thu, Dec 11 - Wed, Dec 24
Multiple Airlines Logo
2:00 pm - 7:59 pmLGW-LAS
37h 59m2 stops
Multiple Airlines Logo
10:45 pm - 10:00 amLAS-LGW
27h 15m1 stop
$649Multiple Airlines
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Fri, Jan 16 - Wed, Feb 25
Finnair Logo
3:35 pm - 10:55 amLHR-LAS
27h 20m2 stops
Finnair Logo
11:01 am - 8:15 amLAS-LHR
13h 14m1 stop
$650Finnair
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Fri, Jan 9 - Tue, Jan 20

Delta flights from London to Las Vegas

Our best Delta deals on London to Las Vegas flight tickets
Delta
Jan 13
LHR6:30 amLondon Heathrow
15h 45m
1 stop
LAS2:15 pmLas Vegas Harry Reid Intl
Jan 24
LAS8:30 pmLas Vegas Harry Reid Intl
9h 50m
LHR2:20 pmLondon Heathrow
$658
Find similar
Delta
Jan 12
LHR4:00 pmLondon Heathrow
10h 50m
LAS6:50 pmLas Vegas Harry Reid Intl
Jan 22
LAS8:45 pmLas Vegas Harry Reid Intl
9h 55m
LHR2:40 pmLondon Heathrow
$689
Find similar
Delta
Dec 21
LHR2:30 pmLondon Heathrow
10h 40m
LAS5:10 pmLas Vegas Harry Reid Intl
Jan 5
LAS10:55 pmLas Vegas Harry Reid Intl
9h 55m
LHR4:50 pmLondon Heathrow
$691
Find similar

Finnair flights from London to Las Vegas

Our best Finnair deals on London to Las Vegas flight tickets
Finnair
Jan 9
LHR3:35 pmLondon Heathrow
27h 20m
2 stops
LAS10:55 amLas Vegas Harry Reid Intl
Jan 20
LAS11:01 amLas Vegas Harry Reid Intl
13h 14m
1 stop
LHR8:15 amLondon Heathrow
$650
Find similar
Finnair
Apr 21
LGW12:20 pmLondon Gatwick
34h 21m
2 stops
LAS2:41 pmLas Vegas Harry Reid Intl
Apr 28
LAS8:00 amLas Vegas Harry Reid Intl
16h 40m
2 stops
LGW8:40 amLondon Gatwick
$680
Find similar
Finnair
Dec 6
LHR10:15 amLondon Heathrow
17h 21m
1 stop
LAS7:36 pmLas Vegas Harry Reid Intl
Jan 8
LAS5:55 pmLas Vegas Harry Reid Intl
29h 05m
2 stops
LHR7:00 amLondon Heathrow
$684
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London 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 November 14, 2025.
Use the filters below to find and compare flights from London to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 1/1

4:00 pm-6:50 pm

Nonstop10h 50m

Las Vegas Harry Reid Intl

Tue 1/6

8:45 pm-2:40 pm

Nonstop9h 55m

$642

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 2/6

2:50 pm-9:33 pm

1 stop14h 43m

Las Vegas Harry Reid Intl

Tue 2/10

7:05 pm-12:50 pm

1 stop33h 45m

$643

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 12/21

2:30 pm-5:10 pm

Nonstop10h 40m

Las Vegas Harry Reid Intl

Wed 1/7

8:45 pm-2:40 pm

Nonstop9h 55m

$644

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 1/16

2:45 pm-10:34 pm

1 stop15h 49m

Las Vegas Harry Reid Intl

Wed 2/25

8:55 pm-2:50 pm

Nonstop9h 55m

$645

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 11/27

2:00 pm-10:03 am

1 stop28h 03m

Las Vegas Harry Reid Intl

Thu 12/4

7:00 am-10:00 am

2 stops19h 00m

$645

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 1/9

11:50 am-2:55 pm

Nonstop11h 05m

Las Vegas Harry Reid Intl

Sat 1/17

8:55 pm-2:50 pm

Nonstop9h 55m

$646

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 2/3

2:50 pm-9:33 pm

1 stop14h 43m

Las Vegas Harry Reid Intl

Tue 2/10

7:05 pm-12:50 pm

1 stop33h 45m

$647

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 12/11

4:05 pm-6:50 pm

Nonstop10h 45m

Las Vegas Harry Reid Intl

Wed 12/24

11:59 am-12:20 pm

1 stop16h 21m

$649

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Fri 1/16

2:00 pm-7:59 pm

2 stops37h 59m

Las Vegas Harry Reid Intl

Wed 2/25

10:45 pm-10:00 am

1 stop27h 15m

$649

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 1/9

3:35 pm-10:55 am

2 stops27h 20m

Las Vegas Harry Reid Intl

Tue 1/20

11:01 am-8:15 am

1 stop13h 14m

$650

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 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 and Las Vegas?

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, with most prices found around $722. The month of March is another great option to travel to Las Vegas, with average flight prices from London averaging around $759.

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 $870. Flights from London to Las Vegas on a Monday will generally be more expensive and average around $993. 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 $759. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $988. 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 to Las Vegas Harry Reid Intl flight route?

Fly from London Heathrow to Las Vegas Harry Reid Intl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around $896 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 for as low as $827 on momondo.

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

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

You could potentially save up to 35% on your flight if you consider stops on a London to Las Vegas flight.

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

As of November 2025, prices for London to Las Vegas flights are approximately 8% more expensive when compared to flights at the same time last year.

When to book flights from London to Las Vegas

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

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

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

Best Price Found

$616

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 in the past 72 hours is $616. The best round-trip flight deal from London to Las Vegas found on momondo in the last 72 hours is $822.
The fastest flight from London to Las Vegas takes 10h 40m
Direct flights go from London to Las Vegas every day.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
Search flight deals

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

    Las Vegas Harry Reid Intl is 5216.7 mi away from London. By plane, this route typically takes 10h 40m.

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

    Prices for flights from London to Las Vegas Harry Reid Intl Airport are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London 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 to Las Vegas?

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

Best airlines flying from London to Las Vegas

Compare and see reviews for airlines that fly from London to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $685Free CancellationRating
6.7
7,521 reviews
Search British Airways flights
DeltaPriceFrom $693Free CancellationRating
7.9
8,006 reviews
Search Delta flights
Virgin AtlanticPriceFrom $740Free CancellationRating
7.5
673 reviews
Search Virgin Atlantic flights
IberiaPriceFrom $763Free CancellationRating
7.0
3,012 reviews
Search Iberia flights
American AirlinesPriceFrom $787Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights

  • Delta Flights From London to Las Vegas

    The lowest priced Delta flight from London to Las Vegas from the last 72 hours was $693. Generally, Delta has 5 flights on this route every week with an average price of $942. Delta is rated 7.9/10 by our users.

  • Virgin Atlantic Flights From London to Las Vegas

    Virgin Atlantic is also a popular choice for this route. Virgin Atlantic flight deals for London to Las Vegas start from as low as $740 round-trip, depending on your selected dates, with average Virgin Atlantic deals seen on momondo around $983. Virgin Atlantic operates 5 flights to Las Vegas from London in an average week. Users have rated it 7.5/10 across 673 reviews.

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
Paradise
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?

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 London to Las Vegas for you.

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

Yes. momondo allows you to filter the results for London to Las Vegas flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Las Vegas from London.

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

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

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