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Cheap flights from London to Las Vegas from €406

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.
Delta Logo
08:40 - 18:35LHR-LAS
17h 55m1 stop
Delta Logo
17:00 - 13:10LAS-LHR
12h 10m1 stop
€580Delta
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Wed, 29 Apr - Mon, 4 May
Delta Logo
16:35 - 19:15LHR-LAS
10h 40mdirect
Delta Logo
21:05 - 14:55LAS-LHR
9h 50mdirect
€582Delta
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Sun, 18 Jan - Sun, 1 Feb
British Airways Logo
09:55 - 17:43LHR-LAS
15h 48m1 stop
British Airways Logo
18:35 - 12:30LAS-LHR
9h 55mdirect
€583British Airways
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Sun, 18 Jan - Sun, 1 Feb
Multiple Airlines Logo
16:10 - 00:42LHR-LAS
16h 32m1 stop
Multiple Airlines Logo
21:05 - 14:55LAS-LHR
9h 50mdirect
€587Multiple Airlines
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Mon, 19 Jan - Sun, 1 Feb
British Airways Logo
11:45 - 17:43LHR-LAS
37h 58m1 stop
British Airways Logo
11:37 - 07:10LAS-LHR
35h 33m1 stop
€587British Airways
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Sun, 18 Jan - Sat, 24 Jan
Delta Logo
16:35 - 19:15LHR-LAS
10h 40mdirect
Delta Logo
21:05 - 14:55LAS-LHR
9h 50mdirect
€589Delta
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Sun, 18 Jan - Sun, 1 Feb
Virgin Atlantic Logo
14:30 - 17:10LHR-LAS
10h 40mdirect
Virgin Atlantic Logo
06:21 - 07:05LAS-LHR
16h 44m1 stop
€598Virgin Atlantic
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Sun, 21 Dec - Sun, 28 Dec
Finnair Logo
16:05 - 18:50LHR-LAS
10h 45mdirect
Finnair Logo
20:55 - 14:50LAS-LHR
9h 55mdirect
€600Finnair
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Sat, 31 Jan - Sat, 7 Feb
Multiple Airlines Logo
13:20 - 16:10LHR-LAS
10h 50mdirect
Multiple Airlines Logo
10:17 - 07:05LAS-LHR
12h 48m1 stop
€601Multiple Airlines
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Wed, 24 Dec - Thu, 1 Jan
Finnair Logo
10:05 - 17:32LHR-LAS
15h 27m1 stop
Finnair Logo
11:07 - 08:05LAS-LHR
12h 58m1 stop
€614Finnair
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Thu, 16 Apr - Tue, 21 Apr

Virgin Atlantic flights from London to Las Vegas

Our best Virgin Atlantic deals on London to Las Vegas flight tickets
Virgin Atlantic
21 Dec
LHR14:30London Heathrow
10h 40m
LAS17:10Las Vegas Harry Reid Intl
28 Dec
LAS06:21Las Vegas Harry Reid Intl
16h 44m
1 stop
LHR07:05London Heathrow
€598
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Virgin Atlantic
14 Nov
LHR14:00London Heathrow
10h 50m
LAS16:50Las Vegas Harry Reid Intl
15 Nov
LAS11:05Las Vegas Harry Reid Intl
15h 25m
1 stop
LHR10:30London Heathrow
€1,193
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SWISS flights from London to Las Vegas

Our best SWISS deals on London to Las Vegas flight tickets
SWISS
24 Feb
LGW18:40London Gatwick
25h 25m
2 stops
LAS12:05Las Vegas Harry Reid Intl
3 Mar
LAS15:55Las Vegas Harry Reid Intl
17h 55m
2 stops
LGW17:50London Gatwick
€731
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SWISS
2 Dec
LGW18:40London Gatwick
25h 25m
2 stops
LAS12:05Las Vegas Harry Reid Intl
9 Dec
LAS13:46Las Vegas Harry Reid Intl
20h 04m
2 stops
LGW17:50London Gatwick
€746
Find similar
SWISS
6 Jan
LGW18:40London Gatwick
25h 25m
2 stops
LAS12:05Las Vegas Harry Reid Intl
24 Jan
LAS16:05Las Vegas Harry Reid Intl
17h 45m
2 stops
LGW17:50London Gatwick
€751
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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 7 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 29/4

08:40-18:35

1 stop17h 55m

Las Vegas Harry Reid Intl

Mon 4/5

17:00-13:10

1 stop12h 10m

€580

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 18/1

16:35-19:15

Nonstop10h 40m

Las Vegas Harry Reid Intl

Sun 1/2

21:05-14:55

Nonstop9h 50m

€582

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 18/1

09:55-17:43

1 stop15h 48m

Las Vegas Harry Reid Intl

Sun 1/2

18:35-12:30

Nonstop9h 55m

€583

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 19/1

16:10-00:42

1 stop16h 32m

Las Vegas Harry Reid Intl

Sun 1/2

21:05-14:55

Nonstop9h 50m

€587

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 18/1

11:45-17:43

1 stop37h 58m

Las Vegas Harry Reid Intl

Sat 24/1

11:37-07:10

1 stop35h 33m

€587

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 18/1

16:35-19:15

Nonstop10h 40m

Las Vegas Harry Reid Intl

Sun 1/2

21:05-14:55

Nonstop9h 50m

€589

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 21/12

14:30-17:10

Nonstop10h 40m

Las Vegas Harry Reid Intl

Sun 28/12

06:21-07:05

1 stop16h 44m

€598

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 31/1

16:05-18:50

Nonstop10h 45m

Las Vegas Harry Reid Intl

Sat 7/2

20:55-14:50

Nonstop9h 55m

€600

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 24/12

13:20-16:10

Nonstop10h 50m

Las Vegas Harry Reid Intl

Thu 1/1

10:17-07:05

1 stop12h 48m

€601

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 16/4

10:05-17:32

1 stop15h 27m

Las Vegas Harry Reid Intl

Tue 21/4

11:07-08:05

1 stop12h 58m

€614

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 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 €633. If you aren’t able to travel to Las Vegas during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of €665.

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 €784 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 €727 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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