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Cheap flights from Las Vegas to London from C$ 337

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 15/2. 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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Find the cheapest flights from Las Vegas to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
9:45 p.m. - 2:40 p.m.
LAS
-
LHR
9h 55mdirect
Delta Logo
6:30 a.m. - 3:15 p.m.
LHR
-
LAS
15h 45m1 stop
C$ 845Delta
Tue, 10 Mar - Tue, 17 Mar
Virgin Atlantic Logo
8:45 p.m. - 2:40 p.m.
LAS
-
LHR
9h 55mdirect
Virgin Atlantic Logo
8:40 a.m. - 2:15 p.m.
LHR
-
LAS
13h 35m1 stop
C$ 847Virgin Atlantic
Mon, 12 Jan - Tue, 27 Jan
Multiple Airlines Logo
9:35 a.m. - 7:05 a.m.
LAS
-
LHR
13h 30m1 stop
Multiple Airlines Logo
6:20 a.m. - 12:55 p.m.
LHR
-
LAS
14h 35m1 stop
C$ 861Multiple Airlines
Thu, 15 Jan - Fri, 23 Jan
United Airlines Logo
12:22 p.m. - 10:25 a.m.
LAS
-
LHR
14h 03m1 stop
United Airlines Logo
6:50 a.m. - 6:30 p.m.
LHR
-
LAS
19h 40m2 stops
C$ 865United Airlines
Tue, 27 Jan - Tue, 3 Feb
United Airlines Logo
10:44 a.m. - 1:30 p.m.
LAS
-
LHR
18h 46m1 stop
United Airlines Logo
9:00 a.m. - 8:52 p.m.
LHR
-
LAS
19h 52m2 stops
C$ 866United Airlines
Thu, 29 Jan - Thu, 5 Feb
SWISS Logo
4:05 p.m. - 5:50 p.m.
LAS
-
LGW
17h 45m2 stops
SWISS Logo
6:40 p.m. - 12:05 p.m.
LGW
-
LAS
25h 25m2 stops
C$ 884SWISS
Tue, 27 Jan - Tue, 3 Feb
SWISS Logo
4:25 p.m. - 5:50 p.m.
LAS
-
LGW
17h 25m2 stops
SWISS Logo
6:40 p.m. - 12:05 p.m.
LGW
-
LAS
25h 25m2 stops
C$ 921SWISS
Sun, 1 Feb - Tue, 10 Feb
Turkish Airlines Logo
6:40 a.m. - 4:10 p.m.
LAS
-
LGW
26h 30m2 stops
Turkish Airlines Logo
6:20 a.m. - 12:42 a.m.
LGW
-
LAS
25h 22m2 stops
C$ 1,243Turkish Airlines
Wed, 11 Mar - Mon, 16 Mar
Multiple Airlines Logo
10:07 a.m. - 10:55 a.m.
LAS
-
LGW
16h 48m2 stops
Multiple Airlines Logo
11:55 a.m. - 10:00 p.m.
LGW
-
LAS
18h 05m2 stops
C$ 1,250Multiple Airlines
Wed, 21 Jan - Wed, 28 Jan
Turkish Airlines Logo
10:25 a.m. - 10:35 p.m.
LAS
-
LGW
29h 10m2 stops
Turkish Airlines Logo
6:15 a.m. - 12:42 a.m.
LGW
-
LAS
25h 27m2 stops
C$ 1,391Turkish Airlines
Thu, 19 Mar - Sat, 28 Mar

Delta flights from Las Vegas to London

Our best Delta deals on Las Vegas to London flight tickets
Delta
10 Mar
LAS9:45 p.m.Las Vegas Harry Reid Intl
9h 55m
LHR2:40 p.m.London Heathrow
17 Mar
LHR6:30 a.m.London Heathrow
15h 45m
1 stop
LAS3:15 p.m.Las Vegas Harry Reid Intl
C$ 845
Find similar
Delta
12 Jan
LAS8:45 p.m.Las Vegas Harry Reid Intl
9h 55m
LHR2:40 p.m.London Heathrow
27 Jan
LHR6:30 a.m.London Heathrow
15h 45m
1 stop
LAS2:15 p.m.Las Vegas Harry Reid Intl
C$ 847
Find similar
Delta
11 Jan
LAS11:26 p.m.Las Vegas Harry Reid Intl
12h 44m
1 stop
LHR8:10 p.m.London Heathrow
27 Jan
LHR6:30 a.m.London Heathrow
15h 45m
1 stop
LAS2:15 p.m.Las Vegas Harry Reid Intl
C$ 848
Find similar

KLM flights from Las Vegas to London

Our best KLM deals on Las Vegas to London flight tickets
KLM
13 Apr
LAS9:10 p.m.Las Vegas Harry Reid Intl
9h 55m
LHR3:05 p.m.London Heathrow
28 Apr
LHR11:45 a.m.London Heathrow
14h 50m
1 stop
LAS6:35 p.m.Las Vegas Harry Reid Intl
C$ 935
Find similar
KLM
15 Apr
LAS11:30 a.m.Las Vegas Harry Reid Intl
14h 45m
1 stop
LHR10:15 a.m.London Heathrow
23 Apr
LHR11:45 a.m.London Heathrow
14h 50m
1 stop
LAS6:35 p.m.Las Vegas Harry Reid Intl
C$ 942
Find similar
KLM
1 Apr
LAS9:10 p.m.Las Vegas Harry Reid Intl
9h 55m
LHR3:05 p.m.London Heathrow
14 Apr
LHR12:25 p.m.London Heathrow
15h 34m
1 stop
LAS7:59 p.m.Las Vegas Harry Reid Intl
C$ 987
Find similar

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 December 2025.
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

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 10/3

9:45 p.m.-2:40 p.m.

Nonstop9h 55m

London Heathrow

Tue 17/3

6:30 a.m.-3:15 p.m.

1 stop15h 45m

C$ 845

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Mon 12/1

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

Nonstop9h 55m

London Heathrow

Tue 27/1

8:40 a.m.-2:15 p.m.

1 stop13h 35m

C$ 847

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 15/1

9:35 a.m.-7:05 a.m.

1 stop13h 30m

London Heathrow

Fri 23/1

6:20 a.m.-12:55 p.m.

1 stop14h 35m

C$ 861

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 27/1

12:22 p.m.-10:25 a.m.

1 stop14h 03m

London Heathrow

Tue 3/2

6:50 a.m.-6:30 p.m.

2 stops19h 40m

C$ 865

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Thu 29/1

10:44 a.m.-1:30 p.m.

1 stop18h 46m

London Heathrow

Thu 5/2

9:00 a.m.-8:52 p.m.

2 stops19h 52m

C$ 866

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Tue 27/1

4:05 p.m.-5:50 p.m.

2 stops17h 45m

London Gatwick

Tue 3/2

6:40 p.m.-12:05 p.m.

2 stops25h 25m

C$ 884

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Sun 1/2

4:25 p.m.-5:50 p.m.

2 stops17h 25m

London Gatwick

Tue 10/2

6:40 p.m.-12:05 p.m.

2 stops25h 25m

C$ 921

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Wed 11/3

6:40 a.m.-4:10 p.m.

2 stops26h 30m

London Gatwick

Mon 16/3

6:20 a.m.-12:42 a.m.

2 stops25h 22m

C$ 1,243

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Wed 21/1

10:07 a.m.-10:55 a.m.

2 stops16h 48m

London Gatwick

Wed 28/1

11:55 a.m.-10:00 p.m.

2 stops18h 05m

C$ 1,250

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Thu 19/3

10:25 a.m.-10:35 p.m.

2 stops29h 10m

London Gatwick

Sat 28/3

6:15 a.m.-12:42 a.m.

2 stops25h 27m

C$ 1,391

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 cheapest month to fly to London?

In general, February 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$ 789. If you aren’t able to travel to London 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 C$ 826.

What is the cheapest time of day to depart on your flight to London?

Our most recent data shows that the best time of day to fly to London is in the evening. Flights from Las Vegas to London during this time can be as low as C$ 1,162. At noon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,168 per ticket.

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 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$ 1,260 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$ 1,015 on momondo.

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

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

Can stopping save me money on Las Vegas to London flights?

No. A direct flight is the cheapest option for a flight between Las Vegas to London.

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

As of December 2025, prices for Las Vegas to London flights are approximately 3% 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

  • 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
Ipswich
Dartford
Gatwick
Ilford
Chelmsford
Wokingham
Slough
Feltham
Hayes
Uxbridge
Wembley
Waterlooville
Newport
Basingstoke
Milton Keynes
Dover
Worthing
Maidstone
Woking

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

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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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