Cheap flights from London to Las Vegas from $435

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 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from London to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
9:00 am - 11:30 pm
LHR
-
LAS
22h 30m
2 stops
SWISS Logo
3:55 pm - 7:25 am
LAS
-
LHR
31h 30m
1 stop
$588SWISS
Thu, Feb 26 - Mon, Mar 2
Air Canada Logo
9:00 am - 8:39 pm
LHR
-
LAS
19h 39m
2 stops
Air Canada Logo
9:00 am - 11:20 am
LAS
-
LHR
18h 20m
2 stops
$589Air Canada
Wed, Feb 25 - Sun, Mar 1
Lufthansa Logo
1:45 pm - 12:43 am
LHR
-
LAS
18h 58m
1 stop
Lufthansa Logo
10:41 am - 1:30 pm
LAS
-
LHR
18h 49m
1 stop
$591Lufthansa
Thu, Feb 26 - Mon, Mar 2
Multiple Airlines Logo
11:05 am - 8:39 pm
LHR
-
LAS
40h 34m
2 stops
Multiple Airlines Logo
10:48 am - 7:55 am
LAS
-
LHR
14h 07m
1 stop
$592Multiple Airlines
Mon, Mar 9 - Mon, Mar 16
SWISS Logo
9:25 am - 4:25 pm
LGW
-
LAS
15h 00m
1 stop
SWISS Logo
7:00 pm - 5:50 pm
LAS
-
LGW
14h 50m
1 stop
$592SWISS
Tue, Apr 21 - Tue, Apr 28
KLM Logo
6:30 am - 3:15 pm
LHR
-
LAS
15h 45m
1 stop
KLM Logo
1:20 pm - 10:00 am
LAS
-
LHR
12h 40m
1 stop
$594KLM
Tue, Mar 10 - Mon, Mar 30
Lufthansa Logo
7:30 am - 10:02 pm
LHR
-
LAS
22h 32m
2 stops
Lufthansa Logo
10:41 am - 1:30 pm
LAS
-
LHR
18h 49m
1 stop
$595Lufthansa
Mon, Feb 16 - Thu, Feb 26
British Airways Logo
8:50 am - 6:50 pm
LHR
-
LAS
17h 00m
1 stop
British Airways Logo
6:00 am - 7:40 am
LAS
-
LHR
17h 40m
1 stop
$596British Airways
Tue, Mar 10 - Mon, Mar 30
Multiple Airlines Logo
2:00 pm - 11:30 am
LGW
-
LAS
28h 30m
1 stop
Multiple Airlines Logo
12:59 am - 10:00 am
LAS
-
LGW
26h 01m
2 stops
$596Multiple Airlines
Mon, Mar 9 - Fri, Mar 27
British Airways Logo
12:30 pm - 9:00 pm
LHR
-
LAS
15h 30m
1 stop
British Airways Logo
9:55 pm - 2:50 pm
LAS
-
LHR
9h 55mnonstop
$598British Airways
Mon, Mar 9 - Mon, Mar 16

SWISS flights from London to Las Vegas

Our best SWISS deals on London to Las Vegas flight tickets
SWISS
Feb 26
LHR9:00 amLondon Heathrow
22h 30m
2 stops
LAS11:30 pmLas Vegas Harry Reid Intl
Mar 2
LAS3:55 pmLas Vegas Harry Reid Intl
31h 30m
1 stop
LHR7:25 amLondon Heathrow
$588
SWISS
Apr 21
LGW9:25 amLondon Gatwick
15h 00m
1 stop
LAS4:25 pmLas Vegas Harry Reid Intl
Apr 28
LAS7:00 pmLas Vegas Harry Reid Intl
14h 50m
1 stop
LGW5:50 pmLondon Gatwick
$592
SWISS
Feb 16
LHR6:00 amLondon Heathrow
24h 02m
2 stops
LAS10:02 pmLas Vegas Harry Reid Intl
Feb 26
LAS10:52 amLas Vegas Harry Reid Intl
13h 03m
1 stop
LHR7:55 amLondon Heathrow
$593

Lufthansa flights from London to Las Vegas

Our best Lufthansa deals on London to Las Vegas flight tickets
Lufthansa
Feb 26
LHR1:45 pmLondon Heathrow
18h 58m
1 stop
LAS12:43 amLas Vegas Harry Reid Intl
Mar 2
LAS10:41 amLas Vegas Harry Reid Intl
18h 49m
1 stop
LHR1:30 pmLondon Heathrow
$591
Lufthansa
Feb 16
LHR7:30 amLondon Heathrow
22h 32m
2 stops
LAS10:02 pmLas Vegas Harry Reid Intl
Feb 26
LAS10:41 amLas Vegas Harry Reid Intl
18h 49m
1 stop
LHR1:30 pmLondon Heathrow
$595
Lufthansa
Mar 19
LHR10:05 amLondon Heathrow
15h 50m
1 stop
LAS6:55 pmLas Vegas Harry Reid Intl
Mar 26
LAS2:05 pmLas Vegas Harry Reid Intl
13h 10m
1 stop
LHR10:15 amLondon Heathrow
$599

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 February 3, 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

Thu 2/26

9:00 am-11:30 pm

2 stops22h 30m

Las Vegas Harry Reid Intl

Mon 3/2

3:55 pm-7:25 am

1 stop31h 30m

$588

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 2/25

9:00 am-8:39 pm

2 stops19h 39m

Las Vegas Harry Reid Intl

Sun 3/1

9:00 am-11:20 am

2 stops18h 20m

$589

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 2/26

1:45 pm-12:43 am

1 stop18h 58m

Las Vegas Harry Reid Intl

Mon 3/2

10:41 am-1:30 pm

1 stop18h 49m

$591

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 3/9

11:05 am-8:39 pm

2 stops40h 34m

Las Vegas Harry Reid Intl

Mon 3/16

10:48 am-7:55 am

1 stop14h 07m

$592

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Tue 4/21

9:25 am-4:25 pm

1 stop15h 00m

Las Vegas Harry Reid Intl

Tue 4/28

7:00 pm-5:50 pm

1 stop14h 50m

$592

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 3/10

6:30 am-3:15 pm

1 stop15h 45m

Las Vegas Harry Reid Intl

Mon 3/30

1:20 pm-10:00 am

1 stop12h 40m

$594

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 2/16

7:30 am-10:02 pm

2 stops22h 32m

Las Vegas Harry Reid Intl

Thu 2/26

10:41 am-1:30 pm

1 stop18h 49m

$595

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 3/10

8:50 am-6:50 pm

1 stop17h 00m

Las Vegas Harry Reid Intl

Mon 3/30

6:00 am-7:40 am

1 stop17h 40m

$596

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Mon 3/9

2:00 pm-11:30 am

1 stop28h 30m

Las Vegas Harry Reid Intl

Fri 3/27

12:59 am-10:00 am

2 stops26h 01m

$596

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 3/9

12:30 pm-9:00 pm

1 stop15h 30m

Las Vegas Harry Reid Intl

Mon 3/16

9:55 pm-2:50 pm

Nonstop9h 55m

$598

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $709. The month of March is another great option to travel to Las Vegas, with average flight prices from London averaging around $747.

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

Our data shows that Wednesday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $925. Flights from London to Las Vegas on a Friday will generally be more expensive and average around $1,072. 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 $853. 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 $867 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 $815 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 February 2026, prices for London to Las Vegas flights are approximately 29% 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 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 $727. The best round-trip flight deal from London to Las Vegas found on momondo in the last 72 hours is $617.
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 in Las Vegas. From London there are direct flights to Las Vegas Harry Reid Intl (LAS).
  • 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
DeltaPriceFrom $600Free CancellationRating
7.9
8,139 reviews
Search Delta flights
Virgin AtlanticPriceFrom $651Free CancellationRating
7.5
678 reviews
Search Virgin Atlantic flights
American AirlinesPriceFrom $652Free CancellationRating
7.2
11,218 reviews
Search American Airlines flights
British AirwaysPriceFrom $692Free CancellationRating
6.7
7,712 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 7 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 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 $1,056. Virgin Atlantic operates 7 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
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.

An easier way to manage your Las Vegas 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/5
Thu 3/12

Find better results for your trip to the United States