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Cheap flights from Las Vegas to London from C$ 461

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 9/10. 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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Find the cheapest flights from Las Vegas to London

Cheap round-trip flights

Delta Logo
9:10 p.m. - 3:05 p.m.LAS-LHR
9h 55mdirect
Delta Logo
9:55 a.m. - 6:35 p.m.LHR-LAS
16h 40m1 stop
C$ 774Delta
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Delta Logo
9:10 p.m. - 3:05 p.m.LAS-LHR
9h 55mdirect
Delta Logo
6:30 a.m. - 3:15 p.m.LHR-LAS
15h 45m1 stop
C$ 776Delta
Find Deal
Wed, 1 Oct - Thu, 30 Oct
KLM Logo
9:29 a.m. - 7:05 a.m.LAS-LHR
13h 36m1 stop
KLM Logo
6:30 a.m. - 2:15 p.m.LHR-LAS
15h 45m1 stop
C$ 779KLM
Find Deal
Tue, 4 Nov - Tue, 11 Nov
Virgin Atlantic Logo
3:44 p.m. - 2:15 p.m.LAS-LHR
14h 31m1 stop
Virgin Atlantic Logo
8:40 a.m. - 6:35 p.m.LHR-LAS
17h 55m1 stop
C$ 780Virgin Atlantic
Find Deal
Tue, 14 Oct - Tue, 21 Oct
United Airlines Logo
1:10 p.m. - 9:40 a.m.LAS-LHR
12h 30m1 stop
United Airlines Logo
12:50 p.m. - 9:47 p.m.LHR-LAS
16h 57m1 stop
C$ 792United Airlines
Find Deal
Sun, 8 Feb - Fri, 20 Feb
KLM Logo
11:41 a.m. - 8:45 a.m.LAS-LHR
13h 04m1 stop
KLM Logo
12:30 p.m. - 8:19 p.m.LHR-LAS
15h 49m1 stop
C$ 795KLM
Find Deal
Wed, 12 Nov - Wed, 19 Nov
Logo
6:00 a.m. - 10:55 a.m.LAS-LGW
20h 55m1 stop
Logo
10:55 a.m. - 9:34 p.m.LGW-LAS
18h 39m1 stop
C$ 797
Find Deal
Wed, 8 Oct - Wed, 15 Oct
Logo
12:59 a.m. - 7:30 a.m.LAS-LHR
22h 31m1 stop
Logo
11:10 a.m. - 9:35 p.m.LHR-LAS
18h 25m2 stops
C$ 799
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Sat, 8 Nov - Tue, 18 Nov
Virgin Atlantic Logo
8:25 p.m. - 8:55 p.m.LAS-LHR
16h 30m1 stop
Virgin Atlantic Logo
4:35 p.m. - 7:15 p.m.LHR-LAS
10h 40mdirect
C$ 828Virgin Atlantic
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Sun, 21 Sep - Thu, 2 Oct
United Airlines Logo
1:33 p.m. - 1:30 p.m.LAS-LHR
16h 57m1 stop
United Airlines Logo
3:20 p.m. - 11:52 p.m.LHR-LAS
16h 32m1 stop
C$ 873United Airlines
Find Deal
Fri, 31 Oct - Wed, 12 Nov

United Airlines flights from Las Vegas to London

Our best United Airlines deals on Las Vegas to London flight tickets
United Airlines
8 Feb
LAS1:10 p.m.Las Vegas Harry Reid Intl
12h 30m
1 stop
LHR9:40 a.m.London Heathrow
20 Feb
LHR12:50 p.m.London Heathrow
16h 57m
1 stop
LAS9:47 p.m.Las Vegas Harry Reid Intl
C$ 792
Find similar
United Airlines
16 Sep
LAS2:17 p.m.Las Vegas Harry Reid Intl
12h 53m
1 stop
LHR11:10 a.m.London Heathrow
23 Sep
LHR8:45 a.m.London Heathrow
19h 51m
2 stops
LAS8:36 p.m.Las Vegas Harry Reid Intl
C$ 835
Find similar
United Airlines
31 Oct
LAS1:33 p.m.Las Vegas Harry Reid Intl
16h 57m
1 stop
LHR1:30 p.m.London Heathrow
12 Nov
LHR3:20 p.m.London Heathrow
16h 32m
1 stop
LAS11:52 p.m.Las Vegas Harry Reid Intl
C$ 873
Find similar

Delta flights from Las Vegas to London

Our best Delta deals on Las Vegas to London flight tickets
Delta
15 Oct
LAS9:10 p.m.Las Vegas Harry Reid Intl
9h 55m
LHR3:05 p.m.London Heathrow
22 Oct
LHR9:55 a.m.London Heathrow
16h 40m
1 stop
LAS6:35 p.m.Las Vegas Harry Reid Intl
C$ 774
Find similar
Delta
1 Oct
LAS9:10 p.m.Las Vegas Harry Reid Intl
9h 55m
LHR3:05 p.m.London Heathrow
30 Oct
LHR6:30 a.m.London Heathrow
15h 45m
1 stop
LAS3:15 p.m.Las Vegas Harry Reid Intl
C$ 776
Find similar
Delta
1 Oct
LAS1:45 p.m.Las Vegas Harry Reid Intl
13h 35m
1 stop
LHR11:20 a.m.London Heathrow
30 Oct
LHR8:40 a.m.London Heathrow
13h 35m
1 stop
LAS3:15 p.m.Las Vegas Harry Reid Intl
C$ 781
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 11 September 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

Wed 15/10

9:10 p.m.-3:05 p.m.

Nonstop9h 55m

London Heathrow

Wed 22/10

9:55 a.m.-6:35 p.m.

1 stop16h 40m

C$ 774

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 1/10

9:10 p.m.-3:05 p.m.

Nonstop9h 55m

London Heathrow

Thu 30/10

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

1 stop15h 45m

C$ 776

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 4/11

9:29 a.m.-7:05 a.m.

1 stop13h 36m

London Heathrow

Tue 11/11

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

1 stop15h 45m

C$ 779

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Tue 14/10

3:44 p.m.-2:15 p.m.

1 stop14h 31m

London Heathrow

Tue 21/10

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

1 stop17h 55m

C$ 780

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 8/2

1:10 p.m.-9:40 a.m.

1 stop12h 30m

London Heathrow

Fri 20/2

12:50 p.m.-9:47 p.m.

1 stop16h 57m

C$ 792

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Wed 12/11

11:41 a.m.-8:45 a.m.

1 stop13h 04m

London Heathrow

Wed 19/11

12:30 p.m.-8:19 p.m.

1 stop15h 49m

C$ 795

Las VegasLondon

LAS - LGW

LASLGW

Las Vegas Harry Reid Intl

Wed 8/10

6:00 a.m.-10:55 a.m.

1 stop20h 55m

London Gatwick

Wed 15/10

10:55 a.m.-9:34 p.m.

1 stop18h 39m

C$ 797

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sat 8/11

12:59 a.m.-7:30 a.m.

1 stop22h 31m

London Heathrow

Tue 18/11

11:10 a.m.-9:35 p.m.

2 stops18h 25m

C$ 799

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Sun 21/9

8:25 p.m.-8:55 p.m.

1 stop16h 30m

London Heathrow

Thu 2/10

4:35 p.m.-7:15 p.m.

Nonstop10h 40m

C$ 828

Las VegasLondon

LAS - LHR

LASLHR

Las Vegas Harry Reid Intl

Fri 31/10

1:33 p.m.-1:30 p.m.

1 stop16h 57m

London Heathrow

Wed 12/11

3:20 p.m.-11:52 p.m.

1 stop16h 32m

C$ 873

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, January 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$ 773. If you aren’t able to travel to London 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 C$ 804.

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$ 1,120. At noon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,176 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$ 1,236 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$ 1,010 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 September 2025, prices for Las Vegas to London flights are approximately 63% 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 50m

Direct flights

Every day

Airports in London

2 airports
The fastest flight from Las Vegas to London takes 9h 50m
Direct flights go from Las Vegas to London every day.
There are 2 airports near London: London Heathrow (LHR), London Gatwick (LGW)
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 50m.

  • 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
Gatwick
Dartford
Crawley
Ilford
Wembley
Maidstone
Chelmsford
Wokingham
Slough
Canterbury
Feltham
Hayes
Uxbridge
Waterlooville
Newport
Basingstoke
Milton Keynes
Dover

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