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Cheap flights from London to Las Vegas from $547

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 3/5. 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 to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
British Airways Logo
8:20 am - 2:39 pm
LHR
-
LAS
14h 19m
1 stop
British Airways Logo
9:22 am - 6:25 am
LAS
-
LHR
13h 03m
1 stop
$595British Airways
Mon, Apr 6 - Wed, Apr 15
SWISS Logo
9:25 am - 4:25 pm
LGW
-
LAS
15h 00m
1 stop
SWISS Logo
7:20 pm - 5:50 pm
LAS
-
LGW
14h 30m
1 stop
$596SWISS
Sat, May 30 - Wed, Jun 3
Air Canada Logo
3:00 pm - 10:17 pm
LHR
-
LAS
15h 17m
1 stop
Air Canada Logo
6:00 pm - 1:20 pm
LAS
-
LHR
35h 20m
1 stop
$596Air Canada
Thu, Apr 16 - Sun, May 3
SWISS Logo
9:15 am - 4:25 pm
LCY
-
LAS
15h 10m
1 stop
SWISS Logo
7:00 pm - 5:30 pm
LAS
-
LCY
14h 30m
1 stop
$597SWISS
Tue, Apr 7 - Tue, Apr 14
Air Canada Logo
1:25 pm - 9:42 am
LHR
-
LAS
27h 17m
2 stops
Air Canada Logo
11:59 pm - 8:30 am
LAS
-
LHR
25h 31m
2 stops
$597Air Canada
Fri, Mar 13 - Mon, Mar 23
Iberia Logo
9:55 am - 9:09 pm
LHR
-
LAS
19h 14m
2 stops
Iberia Logo
11:59 pm - 8:15 am
LAS
-
LHR
24h 16m
1 stop
$598Iberia
Tue, Feb 17 - Sat, Feb 21
Virgin Atlantic Logo
4:05 pm - 12:17 am
LHR
-
LAS
16h 12m
1 stop
Virgin Atlantic Logo
1:20 pm - 11:00 am
LAS
-
LHR
13h 40m
1 stop
$599Virgin Atlantic
Mon, Mar 30 - Tue, Apr 14
United Airlines Logo
4:15 pm - 10:59 pm
LHR
-
LAS
14h 44m
1 stop
United Airlines Logo
10:46 am - 10:10 am
LAS
-
LHR
15h 24m
1 stop
$601United Airlines
Tue, May 12 - Sun, May 17
Delta Logo
4:00 pm - 6:50 pm
LHR
-
LAS
10h 50mnonstop
Delta Logo
8:45 pm - 2:40 pm
LAS
-
LHR
9h 55mnonstop
$602Delta
Mon, Jan 26 - Mon, Feb 9
Delta Logo
4:00 pm - 6:50 pm
LHR
-
LAS
10h 50mnonstop
Delta Logo
8:45 pm - 2:40 pm
LAS
-
LHR
9h 55mnonstop
$603Delta
Mon, Jan 26 - Mon, Feb 9

SWISS flights from London to Las Vegas

Our best SWISS deals on London to Las Vegas flight tickets
SWISS
May 30
LGW9:25 amLondon Gatwick
15h 00m
1 stop
LAS4:25 pmLas Vegas Harry Reid Intl
Jun 3
LAS7:20 pmLas Vegas Harry Reid Intl
14h 30m
1 stop
LGW5:50 pmLondon Gatwick
$596
SWISS
Apr 7
LCY9:15 amLondon City
15h 10m
1 stop
LAS4:25 pmLas Vegas Harry Reid Intl
Apr 14
LAS7:00 pmLas Vegas Harry Reid Intl
14h 30m
1 stop
LCY5:30 pmLondon City
$597
SWISS
Mar 7
LCY8:35 amLondon City
21h 55m
2 stops
LAS10:30 pmLas Vegas Harry Reid Intl
Mar 11
LAS2:50 pmLas Vegas Harry Reid Intl
19h 15m
2 stops
LCY5:05 pmLondon City
$599

Virgin Atlantic flights from London to Las Vegas

Our best Virgin Atlantic deals on London to Las Vegas flight tickets
Virgin Atlantic
Mar 30
LHR4:05 pmLondon Heathrow
16h 12m
1 stop
LAS12:17 amLas Vegas Harry Reid Intl
Apr 14
LAS1:20 pmLas Vegas Harry Reid Intl
13h 40m
1 stop
LHR11:00 amLondon Heathrow
$599
Virgin Atlantic
Jan 26
LHR4:00 pmLondon Heathrow
10h 50m
LAS6:50 pmLas Vegas Harry Reid Intl
Feb 9
LAS11:27 pmLas Vegas Harry Reid Intl
12h 43m
1 stop
LHR8:10 pmLondon Heathrow
$607
Virgin Atlantic
Jun 25
LHR5:25 pmLondon Heathrow
10h 45m
LAS8:10 pmLas Vegas Harry Reid Intl
Jun 29
LAS7:50 pmLas Vegas Harry Reid Intl
13h 45m
1 stop
LHR5:35 pmLondon Heathrow
$609

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 January 16, 2026.
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

Mon 4/6

8:20 am-2:39 pm

1 stop14h 19m

Las Vegas Harry Reid Intl

Wed 4/15

9:22 am-6:25 am

1 stop13h 03m

$595

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Sat 5/30

9:25 am-4:25 pm

1 stop15h 00m

Las Vegas Harry Reid Intl

Wed 6/3

7:20 pm-5:50 pm

1 stop14h 30m

$596

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 4/16

3:00 pm-10:17 pm

1 stop15h 17m

Las Vegas Harry Reid Intl

Sun 5/3

6:00 pm-1:20 pm

1 stop35h 20m

$596

LondonLas Vegas

LCY - LAS

LCYLAS

London City

Tue 4/7

9:15 am-4:25 pm

1 stop15h 10m

Las Vegas Harry Reid Intl

Tue 4/14

7:00 pm-5:30 pm

1 stop14h 30m

$597

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 3/13

1:25 pm-9:42 am

2 stops27h 17m

Las Vegas Harry Reid Intl

Mon 3/23

11:59 pm-8:30 am

2 stops25h 31m

$597

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 2/17

9:55 am-9:09 pm

2 stops19h 14m

Las Vegas Harry Reid Intl

Sat 2/21

11:59 pm-8:15 am

1 stop24h 16m

$598

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 3/30

4:05 pm-12:17 am

1 stop16h 12m

Las Vegas Harry Reid Intl

Tue 4/14

1:20 pm-11:00 am

1 stop13h 40m

$599

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 5/12

4:15 pm-10:59 pm

1 stop14h 44m

Las Vegas Harry Reid Intl

Sun 5/17

10:46 am-10:10 am

1 stop15h 24m

$601

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 1/26

4:00 pm-6:50 pm

Nonstop10h 50m

Las Vegas Harry Reid Intl

Mon 2/9

8:45 pm-2:40 pm

Nonstop9h 55m

$602

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 1/26

4:00 pm-6:50 pm

Nonstop10h 50m

Las Vegas Harry Reid Intl

Mon 2/9

8:45 pm-2:40 pm

Nonstop9h 55m

$603

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 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 $710. The month of March is another great option to travel to Las Vegas, with average flight prices from London averaging around $755.

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 $877. Flights from London to Las Vegas on a Saturday will generally be more expensive and average around $1,037. 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 $807. Flights to Las Vegas are more costly in the afternoon, with an average ticket price of $977. 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 $875 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 $818 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 January 2026, prices for London to Las Vegas flights are approximately 42% 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

$727

Fastest flight time

10h 45m

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 $727. The best round-trip flight deal from London to Las Vegas found on momondo in the last 72 hours is $578.
The fastest flight from London to Las Vegas takes 10h 45m
Direct flights go from London to Las Vegas every day.
There is 1 airport in Las Vegas. From London there are direct flights to 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 45m.

  • 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
DeltaPriceFrom $600Free CancellationRating
7.9
8,048 reviews
Search Delta flights
Virgin AtlanticPriceFrom $651Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $652Free CancellationRating
7.2
11,134 reviews
Search American Airlines flights
British AirwaysPriceFrom $680Free CancellationRating
6.7
7,678 reviews
Search British Airways flights

  • Delta Flights From London to Las Vegas

    The lowest priced Delta flight from London 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 $872. 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 $651 round-trip, depending on your selected dates, with average Virgin Atlantic deals seen on momondo around $985. Virgin Atlantic operates 5 flights to Las Vegas from London in an average week. Users have rated it 7.5/10 across 678 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
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Sunrise Manor
Boulder City
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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