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Cheap flights from London to Las Vegas from €317

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 22/9. 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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0 bags
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Cheap return flights

SWISS Logo
06:00 - 20:52LHR-LAS
22h 52m2 stops
SWISS Logo
13:30 - 21:40LAS-LHR
24h 10m2 stops
€626SWISS
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Sat, 7 Feb - Sat, 14 Feb
United Airlines Logo
06:30 - 14:40LHR-LAS
16h 10m1 stop
United Airlines Logo
06:00 - 05:55LAS-LHR
15h 55m2 stops
€627United Airlines
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Sun, 8 Feb - Fri, 13 Feb
British Airways Logo
10:25 - 13:20LGW-LAS
10h 55mdirect
British Airways Logo
15:10 - 09:20LAS-LGW
10h 10mdirect
€641British Airways
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Tue, 7 Oct - Tue, 21 Oct
Virgin Atlantic Logo
16:35 - 19:15LHR-LAS
10h 40mdirect
Virgin Atlantic Logo
21:10 - 15:05LAS-LHR
9h 55mdirect
€645Virgin Atlantic
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Wed, 8 Oct - Wed, 15 Oct
Logo
14:00 - 18:56LGW-LAS
36h 56m1 stop
Logo
08:25 - 10:00LAS-LGW
17h 35m1 stop
€652
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Fri, 6 Feb - Thu, 12 Feb
JetBlue Logo
08:15 - 21:22LHR-LAS
21h 07m1 stop
JetBlue Logo
07:00 - 09:30LAS-LHR
18h 30m1 stop
€656JetBlue
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Wed, 1 Oct - Wed, 22 Oct
Logo
15:05 - 10:07LGW-LAS
27h 02m1 stop
Logo
06:13 - 08:10LAS-LGW
17h 57m2 stops
€658
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Tue, 16 Sep - Wed, 8 Oct
British Airways Logo
18:45 - 22:53LHR-LAS
36h 08m2 stops
British Airways Logo
01:10 - 10:20LAS-LHR
25h 10m1 stop
€659British Airways
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Tue, 30 Sep - Mon, 13 Oct
Virgin Atlantic Logo
16:35 - 19:15LHR-LAS
10h 40mdirect
Virgin Atlantic Logo
21:10 - 15:05LAS-LHR
9h 55mdirect
€677Virgin Atlantic
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Tue, 16 Sep - Wed, 8 Oct
JetBlue Logo
12:10 - 21:37LGW-LAS
17h 27m1 stop
JetBlue Logo
12:10 - 09:35LAS-LGW
13h 25m1 stop
€695JetBlue
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Sat, 20 Sep - Sat, 4 Oct

SWISS flights from London to Las Vegas

Our best SWISS deals on London to Las Vegas flight tickets
SWISS
7 Feb
LHR06:00London Heathrow
22h 52m
2 stops
LAS20:52Las Vegas Harry Reid Intl
14 Feb
LAS13:30Las Vegas Harry Reid Intl
24h 10m
2 stops
LHR21:40London Heathrow
€626
Find similar
SWISS
15 Sept
LHR08:40London Heathrow
18h 09m
2 stops
LAS18:49Las Vegas Harry Reid Intl
22 Sept
LAS19:05Las Vegas Harry Reid Intl
14h 45m
1 stop
LHR17:50London Heathrow
€635
Find similar
SWISS
24 Sept
LHR08:40London Heathrow
19h 56m
2 stops
LAS20:36Las Vegas Harry Reid Intl
1 Oct
LAS13:30Las Vegas Harry Reid Intl
20h 20m
2 stops
LHR17:50London Heathrow
€638
Find similar

United Airlines flights from London to Las Vegas

Our best United Airlines deals on London to Las Vegas flight tickets
United Airlines
8 Feb
LHR06:30London Heathrow
16h 10m
1 stop
LAS14:40Las Vegas Harry Reid Intl
13 Feb
LAS06:00Las Vegas Harry Reid Intl
15h 55m
2 stops
LHR05:55London Heathrow
€627
Find similar
United Airlines
8 Feb
LHR06:30London Heathrow
16h 10m
1 stop
LAS14:40Las Vegas Harry Reid Intl
17 Feb
LAS13:15Las Vegas Harry Reid Intl
12h 25m
1 stop
LHR09:40London Heathrow
€628
Find similar
United Airlines
14 Feb
LHR06:50London Heathrow
18h 42m
2 stops
LAS17:32Las Vegas Harry Reid Intl
21 Feb
LAS20:35Las Vegas Harry Reid Intl
16h 00m
2 stops
LHR20:35London Heathrow
€630
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 26 August 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

Sat 7/2

06:00-20:52

2 stops22h 52m

Las Vegas Harry Reid Intl

Sat 14/2

13:30-21:40

2 stops24h 10m

€626

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 8/2

06:30-14:40

1 stop16h 10m

Las Vegas Harry Reid Intl

Fri 13/2

06:00-05:55

2 stops15h 55m

€627

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Tue 7/10

10:25-13:20

Nonstop10h 55m

Las Vegas Harry Reid Intl

Tue 21/10

15:10-09:20

Nonstop10h 10m

€641

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 8/10

16:35-19:15

Nonstop10h 40m

Las Vegas Harry Reid Intl

Wed 15/10

21:10-15:05

Nonstop9h 55m

€645

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Fri 6/2

14:00-18:56

1 stop36h 56m

Las Vegas Harry Reid Intl

Thu 12/2

08:25-10:00

1 stop17h 35m

€652

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 1/10

08:15-21:22

1 stop21h 07m

Las Vegas Harry Reid Intl

Wed 22/10

07:00-09:30

1 stop18h 30m

€656

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Tue 16/9

15:05-10:07

1 stop27h 02m

Las Vegas Harry Reid Intl

Wed 8/10

06:13-08:10

2 stops17h 57m

€658

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 30/9

18:45-22:53

2 stops36h 08m

Las Vegas Harry Reid Intl

Mon 13/10

01:10-10:20

1 stop25h 10m

€659

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 16/9

16:35-19:15

Nonstop10h 40m

Las Vegas Harry Reid Intl

Wed 8/10

21:10-15:05

Nonstop9h 55m

€677

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Sat 20/9

12:10-21:37

1 stop17h 27m

Las Vegas Harry Reid Intl

Sat 4/10

12:10-09:35

1 stop13h 25m

€695

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 January is, on average, the cheapest month to fly to Las Vegas from London, with most prices found around €571. If you aren’t able to travel to Las Vegas during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of €598.

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 €768 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 €698 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 August 2025, prices for London to Las Vegas flights are approximately 1% 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)
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  • 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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