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Cheap flights from Las Vegas to London from C$ 394

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Las Vegas to London departing on 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Las Vegas to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
SWISS Logo
9:10 p.m. - 9:45 p.m.
LAS
-
LHR
16h 35m
2 stops
SWISS Logo
8:05 p.m. - 3:50 p.m.
LHR
-
LAS
27h 45m
1 stop
C$ 1,109SWISS
Sun, 27 Sep - Tue, 29 Sep
Multiple Airlines Logo
8:45 a.m. - 6:45 p.m.
LAS
-
LGW
26h 00m
2 stops
Multiple Airlines Logo
10:20 a.m. - 5:50 p.m.
LGW
-
LAS
15h 30m
1 stop
C$ 1,203Multiple Airlines
Wed, 12 Aug - Sun, 16 Aug
United Airlines Logo
9:00 a.m. - 11:55 a.m.
LAS
-
LHR
18h 55m
1 stop
United Airlines Logo
9:30 a.m. - 11:15 p.m.
LHR
-
LAS
20h 45m
2 stops
C$ 1,224United Airlines
Fri, 23 Oct - Sun, 25 Oct
Delta Logo
8:45 p.m. - 2:40 p.m.
LAS
-
LHR
9h 55mdirect
Delta Logo
6:30 a.m. - 2:15 p.m.
LHR
-
LAS
15h 45m
1 stop
C$ 1,228Delta
Wed, 2 Dec - Thu, 17 Dec
Delta Logo
9:25 a.m. - 8:50 a.m.
LAS
-
LHR
15h 25m
1 stop
Delta Logo
8:40 a.m. - 6:35 p.m.
LHR
-
LAS
17h 55m
1 stop
C$ 1,233Delta
Wed, 9 Sep - Wed, 16 Sep
Multiple Airlines Logo
10:00 p.m. - 3:55 p.m.
LAS
-
LHR
9h 55mdirect
Multiple Airlines Logo
8:55 a.m. - 3:35 p.m.
LHR
-
LAS
14h 40m
1 stop
C$ 1,238Multiple Airlines
Tue, 6 Oct - Wed, 14 Oct
SWISS Logo
7:20 p.m. - 5:50 p.m.
LAS
-
LHR
14h 30m
1 stop
SWISS Logo
8:05 p.m. - 3:50 p.m.
LHR
-
LAS
27h 45m
1 stop
C$ 1,240SWISS
Wed, 7 Oct - Tue, 13 Oct
United Airlines Logo
1:34 p.m. - 11:10 a.m.
LAS
-
LHR
13h 36m
1 stop
United Airlines Logo
6:50 a.m. - 3:32 p.m.
LHR
-
LAS
16h 42m
2 stops
C$ 1,246United Airlines
Mon, 21 Sep - Tue, 29 Sep
Virgin Atlantic Logo
5:50 p.m. - 4:00 p.m.
LAS
-
LGW
14h 10m
1 stop
Virgin Atlantic Logo
10:25 a.m. - 10:48 p.m.
LGW
-
LAS
20h 23m
2 stops
C$ 1,256Virgin Atlantic
Wed, 30 Sep - Thu, 8 Oct
Virgin Atlantic Logo
12:44 p.m. - 4:00 p.m.
LAS
-
LGW
19h 16m
2 stops
Virgin Atlantic Logo
10:25 a.m. - 10:49 p.m.
LGW
-
LAS
20h 24m
2 stops
C$ 1,261Virgin Atlantic
Tue, 29 Sep - Thu, 8 Oct

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SWISS flights from Las Vegas to London

Our best SWISS deals on Las Vegas to London flight tickets
SWISS
27 Sep
LAS9:10 p.m.Las Vegas Harry Reid Intl
16h 35m
2 stops
LHR9:45 p.m.London Heathrow
29 Sep
LHR8:05 p.m.London Heathrow
27h 45m
1 stop
LAS3:50 p.m.Las Vegas Harry Reid Intl
C$ 1,109
SWISS
7 Oct
LAS7:20 p.m.Las Vegas Harry Reid Intl
14h 30m
1 stop
LHR5:50 p.m.London Heathrow
13 Oct
LHR8:05 p.m.London Heathrow
27h 45m
1 stop
LAS3:50 p.m.Las Vegas Harry Reid Intl
C$ 1,240
SWISS
6 Oct
LAS7:00 a.m.Las Vegas Harry Reid Intl
17h 25m
2 stops
LGW8:25 a.m.London Gatwick
14 Oct
LGW9:25 a.m.London Gatwick
14h 25m
1 stop
LAS3:50 p.m.Las Vegas Harry Reid Intl
C$ 1,246

Finnair flights from Las Vegas to London

Our best Finnair deals on Las Vegas to London flight tickets
Finnair
3 Aug
LAS12:33 p.m.Las Vegas Harry Reid Intl
13h 57m
1 stop
LHR10:30 a.m.London Heathrow
19 Aug
LHR5:15 p.m.London Heathrow
10h 45m
LAS8:00 p.m.Las Vegas Harry Reid Intl
C$ 1,296
Finnair
3 Aug
LAS12:33 p.m.Las Vegas Harry Reid Intl
13h 57m
1 stop
LHR10:30 a.m.London Heathrow
19 Aug
LHR5:15 p.m.London Heathrow
10h 45m
LAS8:00 p.m.Las Vegas Harry Reid Intl
C$ 1,299
Finnair
3 Aug
LAS12:33 p.m.Las Vegas Harry Reid Intl
13h 57m
1 stop
LHR10:30 a.m.London Heathrow
19 Aug
LHR5:15 p.m.London Heathrow
10h 45m
LAS8:00 p.m.Las Vegas Harry Reid Intl
C$ 1,302

momondo Fare Finder

 
Customize your flight search to find flights from Las Vegas to London 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 96,600 searches. Data last updated 15 June 2026.
Use the filters below to find and compare flights from Las Vegas to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 27/9

9:10 p.m.-9:45 p.m.

2 stops16h 35m

London Heathrow

Tue 29/9

8:05 p.m.-3:50 p.m.

1 stop27h 45m

C$ 1,109

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Wed 12/8

8:45 a.m.-6:45 p.m.

2 stops26h 00m

London Gatwick

Sun 16/8

10:20 a.m.-5:50 p.m.

1 stop15h 30m

C$ 1,203

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 23/10

9:00 a.m.-11:55 a.m.

1 stop18h 55m

London Heathrow

Sun 25/10

9:30 a.m.-11:15 p.m.

2 stops20h 45m

C$ 1,224

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 2/12

8:45 p.m.-2:40 p.m.

Nonstop9h 55m

London Heathrow

Thu 17/12

6:30 a.m.-2:15 p.m.

1 stop15h 45m

C$ 1,228

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 9/9

9:25 a.m.-8:50 a.m.

1 stop15h 25m

London Heathrow

Wed 16/9

8:40 a.m.-6:35 p.m.

1 stop17h 55m

C$ 1,233
Quickest round-trip

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 6/10

10:00 p.m.-3:55 p.m.

Nonstop9h 55m

London Heathrow

Wed 14/10

8:55 a.m.-3:35 p.m.

1 stop14h 40m

C$ 1,238

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 7/10

7:20 p.m.-5:50 p.m.

1 stop14h 30m

London Heathrow

Tue 13/10

8:05 p.m.-3:50 p.m.

1 stop27h 45m

C$ 1,240

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 21/9

1:34 p.m.-11:10 a.m.

1 stop13h 36m

London Heathrow

Tue 29/9

6:50 a.m.-3:32 p.m.

2 stops16h 42m

C$ 1,246

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Wed 30/9

5:50 p.m.-4:00 p.m.

1 stop14h 10m

London Gatwick

Thu 8/10

10:25 a.m.-10:48 p.m.

2 stops20h 23m

C$ 1,256

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Tue 29/9

12:44 p.m.-4:00 p.m.

2 stops19h 16m

London Gatwick

Thu 8/10

10:25 a.m.-10:49 p.m.

2 stops20h 24m

C$ 1,261

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to London from

How to get the cheapest flight ticket from Las Vegas to London

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 Las Vegas and London?

What is the cheapest month to fly to London?

In general, June is the cheapest month to fly from Las Vegas to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 164. If you aren’t able to travel to London during the month of June, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 275.

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

Fly from Las Vegas Harry Reid Intl to London Heathrow for the best Las Vegas Harry Reid Intl - London flight prices

How far in advance should I book a flight from Las Vegas to London?

You are more likely to see cheaper flights to London from Las Vegas when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 1,358 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Las Vegas for as low as C$ 1,046 on momondo.

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

There are 2 cabin classes available to choose from on Las Vegas to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Las Vegas to London flight prices changed over time?

As of June 2026, prices for Las Vegas to London flights are approximately 2% cheaper when compared to flights at the same time last year.

When to book flights from Las Vegas to London

Are you open to changing your travel dates? Check out the ideal times to fly from Las Vegas to London according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Las Vegas to London (LAS to LON) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Las Vegas to London

Fastest flight time

9h 55m

Direct flights

Every day

Airports in London

6 airports
The fastest flight from Las Vegas to London takes 9h 55m
Direct flights go from Las Vegas to London every day.
There are 6 airports in London. From Las Vegas there are direct flights to London Heathrow (LHR).
Search flight deals

Frequently asked questions about flying from Las Vegas to London

  • How far is Las Vegas Harry Reid Intl to London by plane?

    A flight from Las Vegas Harry Reid Intl to London will travel around 8395.4 km. By plane, this route typically takes 9h 55m.

  • When did momondo last update prices for flights from Las Vegas Harry Reid Intl Airport to London?

    Prices for flights from Las Vegas Harry Reid Intl Airport to London were last updated today.

  • How old do you have to be to fly from Las Vegas Harry Reid Intl Airport to London?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Las Vegas Harry Reid Intl Airport to London.

  • What documentation or ID do you need to fly to London?

    The necessary travel and health documents for your London trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Slough
Gatwick
Ramsgate
Wokingham
Crawley
Feltham
Hayes
Richmond
Chelmsford
Waterlooville
Basingstoke
Woking
Enfield
Dover
Worthing
Luton
Ipswich

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Las Vegas to London for you.

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

momondo does allow users to show only those flights to London from Las Vegas which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Las Vegas to London?

Once you have performed a search for Las Vegas to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Las Vegas to London right now. Can momondo alert me if prices change?

Price alerts on flights to London from Las Vegas are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your London trip

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 57.3 km from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport