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Cheap flights from London to Las Vegas from €395

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 24/10. 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.
Multiple Airlines Logo
14:00 - 18:56LGW-LAS
36h 56m1 stop
Multiple Airlines Logo
11:30 - 10:00LAS-LGW
14h 30m1 stop
€581Multiple Airlines
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Fri, 9 Jan - Fri, 16 Jan
Multiple Airlines Logo
14:00 - 18:56LGW-LAS
36h 56m1 stop
Multiple Airlines Logo
11:30 - 10:00LAS-LGW
14h 30m1 stop
€588Multiple Airlines
Find Deal
Fri, 20 Feb - Fri, 27 Feb
United Airlines Logo
13:45 - 13:27LHR-LAS
30h 42m2 stops
United Airlines Logo
12:23 - 06:40LAS-LHR
34h 17m2 stops
€600United Airlines
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Sat, 1 Nov - Mon, 3 Nov
JetBlue Logo
12:20 - 09:45LHR-LAS
29h 25m1 stop
JetBlue Logo
13:39 - 20:45LAS-LHR
23h 06m1 stop
€604JetBlue
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Thu, 27 Nov - Thu, 4 Dec
JetBlue Logo
07:25 - 21:59LHR-LAS
22h 34m1 stop
JetBlue Logo
23:15 - 21:40LAS-LHR
14h 25m1 stop
€616JetBlue
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Tue, 11 Nov - Tue, 18 Nov
United Airlines Logo
18:00 - 15:20LHR-LAS
29h 20m2 stops
United Airlines Logo
13:48 - 07:25LAS-LHR
33h 37m1 stop
€622United Airlines
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Thu, 22 Jan - Sat, 24 Jan
Air Transat Logo
11:40 - 22:02LGW-LAS
18h 22m1 stop
Air Transat Logo
23:05 - 09:45LAS-LGW
26h 40m1 stop
€663Air Transat
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Thu, 27 Nov - Thu, 4 Dec
SWISS Logo
20:05 - 20:45LHR-LAS
32h 40m2 stops
SWISS Logo
16:05 - 17:50LAS-LHR
17h 45m2 stops
€694SWISS
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Sun, 9 Nov - Tue, 25 Nov
SWISS Logo
09:00 - 22:29LHR-LAS
20h 29m2 stops
SWISS Logo
12:42 - 13:00LAS-LHR
17h 18m2 stops
€710SWISS
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Fri, 13 Mar - Tue, 17 Mar
Air Transat Logo
11:40 - 14:47LGW-LAS
35h 07m1 stop
Air Transat Logo
23:05 - 09:45LAS-LGW
26h 40m1 stop
€818Air Transat
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Mon, 3 Nov - Sat, 8 Nov

SWISS flights from London to Las Vegas

Our best SWISS deals on London to Las Vegas flight tickets
SWISS
9 Nov
LHR20:05London Heathrow
32h 40m
2 stops
LAS20:45Las Vegas Harry Reid Intl
25 Nov
LAS16:05Las Vegas Harry Reid Intl
17h 45m
2 stops
LHR17:50London Heathrow
€694
Find similar
SWISS
13 Mar
LHR09:00London Heathrow
20h 29m
2 stops
LAS22:29Las Vegas Harry Reid Intl
17 Mar
LAS12:42Las Vegas Harry Reid Intl
17h 18m
2 stops
LHR13:00London Heathrow
€710
Find similar
SWISS
5 Dec
LGW18:40London Gatwick
34h 11m
2 stops
LAS20:51Las Vegas Harry Reid Intl
9 Dec
LAS16:04Las Vegas Harry Reid Intl
17h 46m
2 stops
LGW17:50London Gatwick
€724
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Icelandair flights from London to Las Vegas

Our best Icelandair deals on London to Las Vegas flight tickets
Icelandair
26 Jan
LGW11:55London Gatwick
17h 05m
2 stops
LAS21:00Las Vegas Harry Reid Intl
31 Jan
LAS08:00Las Vegas Harry Reid Intl
18h 55m
2 stops
LGW10:55London Gatwick
€809
Find similar
Icelandair
8 Dec
LGW11:55London Gatwick
17h 05m
2 stops
LAS21:00Las Vegas Harry Reid Intl
22 Dec
LAS10:04Las Vegas Harry Reid Intl
16h 51m
2 stops
LGW10:55London Gatwick
€894
Find similar
Icelandair
8 Dec
LGW11:55London Gatwick
17h 05m
2 stops
LAS21:00Las Vegas Harry Reid Intl
22 Dec
LAS10:04Las Vegas Harry Reid Intl
16h 51m
2 stops
LGW10:55London Gatwick
€899
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 15 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

LGW - LAS

LGWLAS

London Gatwick

Fri 9/1

14:00-18:56

1 stop36h 56m

Las Vegas Harry Reid Intl

Fri 16/1

11:30-10:00

1 stop14h 30m

€581

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Fri 20/2

14:00-18:56

1 stop36h 56m

Las Vegas Harry Reid Intl

Fri 27/2

11:30-10:00

1 stop14h 30m

€588

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 1/11

13:45-13:27

2 stops30h 42m

Las Vegas Harry Reid Intl

Mon 3/11

12:23-06:40

2 stops34h 17m

€600

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 27/11

12:20-09:45

1 stop29h 25m

Las Vegas Harry Reid Intl

Thu 4/12

13:39-20:45

1 stop23h 06m

€604

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Tue 11/11

07:25-21:59

1 stop22h 34m

Las Vegas Harry Reid Intl

Tue 18/11

23:15-21:40

1 stop14h 25m

€616

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Thu 22/1

18:00-15:20

2 stops29h 20m

Las Vegas Harry Reid Intl

Sat 24/1

13:48-07:25

1 stop33h 37m

€622

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Thu 27/11

11:40-22:02

1 stop18h 22m

Las Vegas Harry Reid Intl

Thu 4/12

23:05-09:45

1 stop26h 40m

€663

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 9/11

20:05-20:45

2 stops32h 40m

Las Vegas Harry Reid Intl

Tue 25/11

16:05-17:50

2 stops17h 45m

€694

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 13/3

09:00-22:29

2 stops20h 29m

Las Vegas Harry Reid Intl

Tue 17/3

12:42-13:00

2 stops17h 18m

€710

LondonLas Vegas

LGW - LAS

LGWLAS

London Gatwick

Mon 3/11

11:40-14:47

1 stop35h 07m

Las Vegas Harry Reid Intl

Sat 8/11

23:05-09:45

1 stop26h 40m

€818

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 €627. 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 €661.

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 €779 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 October 2025, prices for London to Las Vegas flights are approximately 14% 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 13h 27m.

  • 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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