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Cheap flights from London to Las Vegas from €409

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 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
British Airways Logo
16:05 - 18:50LHR-LAS
10h 45mdirect
British Airways Logo
17:55 - 15:30LAS-LHR
13h 35m1 stop
€564British Airways
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Wed, 7 Jan - Thu, 15 Jan
British Airways Logo
11:50 - 14:55LHR-LAS
11h 05mdirect
British Airways Logo
20:55 - 14:50LAS-LHR
9h 55mdirect
€566British Airways
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Wed, 7 Jan - Sat, 17 Jan
Delta Logo
06:30 - 14:15LHR-LAS
15h 45m1 stop
Delta Logo
20:30 - 14:20LAS-LHR
9h 50mdirect
€566Delta
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Tue, 13 Jan - Sat, 24 Jan
Delta Logo
14:30 - 17:10LHR-LAS
10h 40mdirect
Delta Logo
23:37 - 08:45LAS-LHR
25h 08m1 stop
€567Delta
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Sun, 14 Dec - Sun, 21 Dec
British Airways Logo
09:55 - 17:59LHR-LAS
16h 04m1 stop
British Airways Logo
22:54 - 07:50LAS-LHR
24h 56m1 stop
€568British Airways
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Sat, 10 Jan - Sun, 11 Jan
Delta Logo
14:30 - 17:10LHR-LAS
10h 40mdirect
Delta Logo
20:45 - 14:40LAS-LHR
9h 55mdirect
€570Delta
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Sun, 14 Dec - Mon, 22 Dec
British Airways Logo
18:00 - 11:02LHR-LAS
25h 02m1 stop
British Airways Logo
13:26 - 10:00LAS-LHR
12h 34m1 stop
€571British Airways
Find Deal
Wed, 7 Jan - Sat, 17 Jan
Air Transat Logo
11:40 - 14:47LGW-LAS
35h 07m1 stop
Air Transat Logo
23:05 - 09:45LAS-LGW
26h 40m1 stop
€653Air Transat
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Wed, 3 Dec - Sun, 11 Jan
Air Transat Logo
11:40 - 22:02LGW-LAS
18h 22m1 stop
Air Transat Logo
23:05 - 09:45LAS-LGW
27h 40m1 stop
€653Air Transat
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Sat, 7 Mar - Mon, 9 Mar
Air Transat Logo
11:40 - 11:42LGW-LAS
32h 02m1 stop
Air Transat Logo
23:05 - 09:45LAS-LGW
26h 40m1 stop
€664Air Transat
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Mon, 8 Dec - Fri, 9 Jan

Delta flights from London to Las Vegas

Our best Delta deals on London to Las Vegas flight tickets
Delta
13 Jan
LHR06:30London Heathrow
15h 45m
1 stop
LAS14:15Las Vegas Harry Reid Intl
24 Jan
LAS20:30Las Vegas Harry Reid Intl
9h 50m
LHR14:20London Heathrow
€566
Find similar
Delta
14 Dec
LHR14:30London Heathrow
10h 40m
LAS17:10Las Vegas Harry Reid Intl
21 Dec
LAS23:37Las Vegas Harry Reid Intl
25h 08m
1 stop
LHR08:45London Heathrow
€567
Find similar
Delta
14 Dec
LHR14:30London Heathrow
10h 40m
LAS17:10Las Vegas Harry Reid Intl
22 Dec
LAS20:45Las Vegas Harry Reid Intl
9h 55m
LHR14:40London Heathrow
€570
Find similar

Finnair flights from London to Las Vegas

Our best Finnair deals on London to Las Vegas flight tickets
Finnair
18 Jan
LHR08:20London Heathrow
18h 02m
1 stop
LAS18:22Las Vegas Harry Reid Intl
1 Feb
LAS15:20Las Vegas Harry Reid Intl
12h 45m
1 stop
LHR12:05London Heathrow
€587
Find similar
Finnair
23 Jan
LHR08:20London Heathrow
18h 02m
1 stop
LAS18:22Las Vegas Harry Reid Intl
29 Jan
LAS11:57Las Vegas Harry Reid Intl
13h 43m
1 stop
LHR09:40London Heathrow
€603
Find similar
Finnair
18 Jan
LHR08:20London Heathrow
18h 02m
1 stop
LAS18:22Las Vegas Harry Reid Intl
1 Feb
LAS11:57Las Vegas Harry Reid Intl
13h 43m
1 stop
LHR09:40London Heathrow
€609
Find similar

momondo Fare Finder

 
Customise 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 13,528 searches. Data last updated 14 November 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

Wed 7/1

16:05-18:50

Nonstop10h 45m

Las Vegas Harry Reid Intl

Thu 15/1

17:55-15:30

1 stop13h 35m

€564

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 7/1

11:50-14:55

Nonstop11h 05m

Las Vegas Harry Reid Intl

Sat 17/1

20:55-14:50

Nonstop9h 55m

€566

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 13/1

06:30-14:15

1 stop15h 45m

Las Vegas Harry Reid Intl

Sat 24/1

20:30-14:20

Nonstop9h 50m

€566

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 14/12

14:30-17:10

Nonstop10h 40m

Las Vegas Harry Reid Intl

Sun 21/12

23:37-08:45

1 stop25h 08m

€567

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 10/1

09:55-17:59

1 stop16h 04m

Las Vegas Harry Reid Intl

Sun 11/1

22:54-07:50

1 stop24h 56m

€568

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 14/12

14:30-17:10

Nonstop10h 40m

Las Vegas Harry Reid Intl

Mon 22/12

20:45-14:40

Nonstop9h 55m

€570

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 7/1

18:00-11:02

1 stop25h 02m

Las Vegas Harry Reid Intl

Sat 17/1

13:26-10:00

1 stop12h 34m

€571

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Wed 3/12

11:40-14:47

1 stop35h 07m

Las Vegas Harry Reid Intl

Sun 11/1

23:05-09:45

1 stop26h 40m

€653

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Sat 7/3

11:40-22:02

1 stop18h 22m

Las Vegas Harry Reid Intl

Mon 9/3

23:05-09:45

1 stop27h 40m

€653

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Mon 8/12

11:40-11:42

1 stop32h 02m

Las Vegas Harry Reid Intl

Fri 9/1

23:05-09:45

1 stop26h 40m

€664

Flights are sorted by cheapest return 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 €622. If you aren’t able to travel to Las Vegas during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of €653.

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

Fly from London Gatwick 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 €771 when searching weeks before you fly. 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 €712 on momondo.

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

There is only 1 cabin class 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.

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 return 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

Fastest flight time

10h 40m

Direct flights

Every day

Airports in Las Vegas

1 airport
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?

    The distance between London and Las Vegas Harry Reid Intl is about 8395.4 km. In terms of flight time, this usually takes a little over 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 updated daily.

  • How old do you have to be to fly from London 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 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 you'll need for your trip to Las Vegas Harry Reid Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Las Vegas Harry Reid Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Henderson

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Las Vegas . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from London to Las Vegas with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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?

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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