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Cheap flights from London Heathrow Airport to Las Vegas from €539

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Las Vegas departing on 23/8. 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 London Heathrow Airport to Las Vegas

Cheap return flights

United Airlines Logo
13:05 - 09:40LHR-LAS
28h 35m1 stop
United Airlines Logo
07:00 - 06:20LAS-LHR
15h 20m1 stop
€539United Airlines
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Sat, 23 Aug - Mon, 25 Aug
Logo
10:20 - 21:09LHR-LAS
18h 49m2 stops
Logo
12:11 - 14:35LAS-LHR
18h 24m1 stop
€590
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
14:20 - 21:09LHR-LAS
14h 49m1 stop
Logo
12:11 - 14:35LAS-LHR
18h 24m1 stop
€604
Find Deal
Sat, 13 Sep - Sat, 20 Sep
JetBlue Logo
08:15 - 18:02LHR-LAS
17h 47m1 stop
JetBlue Logo
07:00 - 09:30LAS-LHR
18h 30m1 stop
€629JetBlue
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Wed, 1 Oct - Wed, 22 Oct
JetBlue Logo
12:20 - 22:49LHR-LAS
17h 29m1 stop
JetBlue Logo
23:59 - 20:45LAS-LHR
12h 46m1 stop
€630JetBlue
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Wed, 29 Oct - Mon, 3 Nov
SWISS Logo
13:45 - 16:35LHR-LAS
34h 50m1 stop
SWISS Logo
19:05 - 19:20LAS-LHR
16h 15m1 stop
€653SWISS
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Wed, 10 Sep - Sat, 20 Sep
SWISS Logo
17:10 - 16:35LHR-LAS
31h 25m1 stop
SWISS Logo
19:05 - 21:45LAS-LHR
18h 40m1 stop
€654SWISS
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Fri, 19 Sep - Thu, 2 Oct
Lufthansa Logo
07:30 - 14:40LHR-LAS
15h 10m1 stop
Lufthansa Logo
14:10 - 11:15LAS-LHR
13h 05m1 stop
€659Lufthansa
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Sun, 4 Jan - Tue, 27 Jan
Lufthansa Logo
07:30 - 16:20LHR-LAS
16h 50m1 stop
Lufthansa Logo
11:15 - 14:10LAS-LHR
18h 55m1 stop
€660Lufthansa
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Sun, 14 Sep - Wed, 1 Oct
British Airways Logo
12:15 - 15:10LHR-LAS
10h 55mdirect
British Airways Logo
12:12 - 10:05LAS-LHR
13h 53m1 stop
€682British Airways
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Wed, 1 Oct - Wed, 22 Oct

JetBlue flights from London Heathrow Airport to Las Vegas

Our best JetBlue deals on London Heathrow Airport to Las Vegas flight tickets
JetBlue
1 Oct
LHR08:15London Heathrow
17h 47m
1 stop
LAS18:02Las Vegas Harry Reid Intl
22 Oct
LAS07:00Las Vegas Harry Reid Intl
18h 30m
1 stop
LHR09:30London Heathrow
€629
Find similar
JetBlue
29 Oct
LHR12:20London Heathrow
17h 29m
1 stop
LAS22:49Las Vegas Harry Reid Intl
3 Nov
LAS23:59Las Vegas Harry Reid Intl
12h 46m
1 stop
LHR20:45London Heathrow
€630
Find similar
JetBlue
1 Oct
LHR08:15London Heathrow
17h 47m
1 stop
LAS18:02Las Vegas Harry Reid Intl
6 Oct
LAS21:00Las Vegas Harry Reid Intl
15h 45m
1 stop
LHR20:45London Heathrow
€640
Find similar

SWISS flights from London Heathrow Airport to Las Vegas

Our best SWISS deals on London Heathrow Airport to Las Vegas flight tickets
SWISS
10 Sept
LHR13:45London Heathrow
34h 50m
1 stop
LAS16:35Las Vegas Harry Reid Intl
20 Sept
LAS19:05Las Vegas Harry Reid Intl
16h 15m
1 stop
LHR19:20London Heathrow
€653
Find similar
SWISS
19 Sept
LHR17:10London Heathrow
31h 25m
1 stop
LAS16:35Las Vegas Harry Reid Intl
2 Oct
LAS19:05Las Vegas Harry Reid Intl
18h 40m
1 stop
LHR21:45London Heathrow
€654
Find similar
SWISS
18 Sept
LHR08:40London Heathrow
15h 55m
1 stop
LAS16:35Las Vegas Harry Reid Intl
27 Sept
LAS19:05Las Vegas Harry Reid Intl
33h 55m
1 stop
LHR13:00London Heathrow
€658
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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 1 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 23/8

13:05-09:40

1 stop28h 35m

Las Vegas Harry Reid Intl

Mon 25/8

07:00-06:20

1 stop15h 20m

€539

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 13/9

10:20-21:09

2 stops18h 49m

Las Vegas Harry Reid Intl

Sat 20/9

12:11-14:35

1 stop18h 24m

€590

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sat 13/9

14:20-21:09

1 stop14h 49m

Las Vegas Harry Reid Intl

Sat 20/9

12:11-14:35

1 stop18h 24m

€604

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 1/10

08:15-18:02

1 stop17h 47m

Las Vegas Harry Reid Intl

Wed 22/10

07:00-09:30

1 stop18h 30m

€629

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 29/10

12:20-22:49

1 stop17h 29m

Las Vegas Harry Reid Intl

Mon 3/11

23:59-20:45

1 stop12h 46m

€630

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 10/9

13:45-16:35

1 stop34h 50m

Las Vegas Harry Reid Intl

Sat 20/9

19:05-19:20

1 stop16h 15m

€653

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Fri 19/9

17:10-16:35

1 stop31h 25m

Las Vegas Harry Reid Intl

Thu 2/10

19:05-21:45

1 stop18h 40m

€654

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 4/1

07:30-14:40

1 stop15h 10m

Las Vegas Harry Reid Intl

Tue 27/1

14:10-11:15

1 stop13h 05m

€659

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Sun 14/9

07:30-16:20

1 stop16h 50m

Las Vegas Harry Reid Intl

Wed 1/10

11:15-14:10

1 stop18h 55m

€660

LondonLas Vegas

LHR - LAS

LHRLAS

London Heathrow

Wed 1/10

12:15-15:10

Nonstop10h 55m

Las Vegas Harry Reid Intl

Wed 22/10

12:12-10:05

1 stop13h 53m

€682

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 Heathrow Airport 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 Heathrow Airport, with most prices found around €681. If you aren’t able to travel to Las Vegas 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 €686.

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

Fly from London Heathrow to Las Vegas Harry Reid Intl for the best London Heathrow - 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 Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around €787 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 Heathrow Airport for as low as €718 on momondo.

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

There are 1 cabin classes available to choose from on London Heathrow 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 Heathrow Airport to Las Vegas flight prices changed over time?

As of August 2025, prices for London Heathrow Airport to Las Vegas flights are approximately 8% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Las Vegas

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

Cheap London Heathrow Airport to Las Vegas (LHR to LAS) flight deals and tips

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

Best price found

€677

Fastest flight time

10h 40m

Direct flights

Every day

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from London Heathrow Airport in the past 72 hours is €677. The best return flight deal from London Heathrow Airport to Las Vegas found on momondo in the last 72 hours is €539.
The fastest flight from London Heathrow Airport to Las Vegas takes 10h 40m
Direct flights go from London Heathrow Airport 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 Heathrow to Las Vegas Harry Reid Intl by plane?

    There are 8380.1 km between London Heathrow and Las Vegas Harry Reid Intl. 10h 55m is a normal flight duration for this route.

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

    Prices for flights from London Heathrow Airport to Las Vegas Harry Reid Intl Airport refresh daily.

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

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The necessary travel and health documents for your Las Vegas Harry Reid Intl Airport 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 licence 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 London Heathrow Airport 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?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Las Vegas from London.

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

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

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Las Vegas.

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

Yes momondo offers price alerts on flights to Las Vegas from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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