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Cheap flights from London to Las Vegas from €428

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
16:00 - 18:50LHR-LAS
10h 50mdirect
Delta Logo
20:45 - 14:40LAS-LHR
9h 55mdirect
€570Delta
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Thu, 27 Nov - Thu, 11 Dec
Delta Logo
09:40 - 21:55LHR-LAS
20h 15m1 stop
Delta Logo
12:15 - 09:00LAS-LHR
12h 45m1 stop
€572Delta
Find Deal
Fri, 26 Dec - Wed, 31 Dec
Virgin Atlantic Logo
11:05 - 19:52LHR-LAS
16h 47m1 stop
Virgin Atlantic Logo
09:55 - 08:45LAS-LHR
14h 50m1 stop
€573Virgin Atlantic
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Fri, 12 Dec - Wed, 24 Dec
Delta Logo
10:45 - 16:13LHR-LAS
13h 28m1 stop
Delta Logo
14:06 - 11:40LAS-LHR
13h 34m1 stop
€576Delta
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Sat, 6 Dec - Tue, 6 Jan
Multiple Airlines Logo
08:40 - 14:15LHR-LAS
13h 35m1 stop
Multiple Airlines Logo
20:45 - 14:40LAS-LHR
9h 55mdirect
€591Multiple Airlines
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Tue, 13 Jan - Wed, 11 Feb
Multiple Airlines Logo
06:20 - 12:55LHR-LAS
14h 35m1 stop
Multiple Airlines Logo
14:06 - 11:40LAS-LHR
13h 34m1 stop
€596Multiple Airlines
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Wed, 14 Jan - Tue, 10 Feb
Virgin Atlantic Logo
16:00 - 18:50LHR-LAS
10h 50mdirect
Virgin Atlantic Logo
21:05 - 14:55LAS-LHR
9h 50mdirect
€600Virgin Atlantic
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Mon, 12 Jan - Sun, 18 Jan
United Airlines Logo
15:20 - 09:35LHR-LAS
26h 15m1 stop
United Airlines Logo
13:55 - 06:40LAS-LHR
32h 45m1 stop
€614United Airlines
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Sat, 28 Feb - Sun, 1 Mar
SWISS Logo
18:40 - 12:05LGW-LAS
25h 25m2 stops
SWISS Logo
16:05 - 17:50LAS-LGW
17h 45m2 stops
€697SWISS
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Tue, 13 Jan - Wed, 11 Feb
SWISS Logo
18:40 - 20:52LGW-LAS
34h 12m2 stops
SWISS Logo
16:05 - 17:50LAS-LGW
17h 45m2 stops
€721SWISS
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Wed, 14 Jan - Wed, 11 Feb

Delta flights from London to Las Vegas

Our best Delta deals on London to Las Vegas flight tickets
Delta
27 Nov
LHR16:00London Heathrow
10h 50m
LAS18:50Las Vegas Harry Reid Intl
11 Dec
LAS20:45Las Vegas Harry Reid Intl
9h 55m
LHR14:40London Heathrow
€570
Find similar
Delta
26 Dec
LHR09:40London Heathrow
20h 15m
1 stop
LAS21:55Las Vegas Harry Reid Intl
31 Dec
LAS12:15Las Vegas Harry Reid Intl
12h 45m
1 stop
LHR09:00London Heathrow
€572
Find similar
Delta
12 Dec
LHR14:00London Heathrow
10h 50m
LAS16:50Las Vegas Harry Reid Intl
6 Jan
LAS09:35Las Vegas Harry Reid Intl
13h 30m
1 stop
LHR07:05London Heathrow
€573
Find similar

British Airways flights from London to Las Vegas

Our best British Airways deals on London to Las Vegas flight tickets
British Airways
7 Nov
LHR09:55London Heathrow
15h 22m
1 stop
LAS17:17Las Vegas Harry Reid Intl
13 Nov
LAS17:15Las Vegas Harry Reid Intl
12h 45m
1 stop
LHR14:00London Heathrow
€679
Find similar
British Airways
3 Nov
LHR14:45London Heathrow
15h 25m
1 stop
LAS22:10Las Vegas Harry Reid Intl
17 Nov
LAS10:00Las Vegas Harry Reid Intl
12h 50m
1 stop
LHR06:50London Heathrow
€680
Find similar
British Airways
7 Nov
LHR10:05London Heathrow
15h 43m
1 stop
LAS17:48Las Vegas Harry Reid Intl
13 Nov
LAS20:55Las Vegas Harry Reid Intl
9h 55m
LHR14:50London Heathrow
€882
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 29 October 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

Thu 27/11

16:00-18:50

Nonstop10h 50m

Las Vegas Harry Reid Intl

Thu 11/12

20:45-14:40

Nonstop9h 55m

€570

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 26/12

09:40-21:55

1 stop20h 15m

Las Vegas Harry Reid Intl

Wed 31/12

12:15-09:00

1 stop12h 45m

€572

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 12/12

11:05-19:52

1 stop16h 47m

Las Vegas Harry Reid Intl

Wed 24/12

09:55-08:45

1 stop14h 50m

€573

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 6/12

10:45-16:13

1 stop13h 28m

Las Vegas Harry Reid Intl

Tue 6/1

14:06-11:40

1 stop13h 34m

€576

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 13/1

08:40-14:15

1 stop13h 35m

Las Vegas Harry Reid Intl

Wed 11/2

20:45-14:40

Nonstop9h 55m

€591

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 14/1

06:20-12:55

1 stop14h 35m

Las Vegas Harry Reid Intl

Tue 10/2

14:06-11:40

1 stop13h 34m

€596

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Mon 12/1

16:00-18:50

Nonstop10h 50m

Las Vegas Harry Reid Intl

Sun 18/1

21:05-14:55

Nonstop9h 50m

€600

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 28/2

15:20-09:35

1 stop26h 15m

Las Vegas Harry Reid Intl

Sun 1/3

13:55-06:40

1 stop32h 45m

€614

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Tue 13/1

18:40-12:05

2 stops25h 25m

Las Vegas Harry Reid Intl

Wed 11/2

16:05-17:50

2 stops17h 45m

€697

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Wed 14/1

18:40-20:52

2 stops34h 12m

Las Vegas Harry Reid Intl

Wed 11/2

16:05-17:50

2 stops17h 45m

€721

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 €625. 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 €658.

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 €776 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 €722 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 October 2025, prices for London to Las Vegas flights are approximately 13% cheaper 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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