Find flights
When to book
Airlines
FAQs

Cheap flights from London, ON to Las Vegas from C$ 243

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/9. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
16 Sep — 23 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Las Vegas

Enter your travel dates to find the best prices.

Cheapest flights from London to Las Vegas
Explore the most affordable flight options available from London to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 August 2026.

Sun 13/95:55 p.m. -
2 stops24h 50m
Sat 19/96:10 p.m. -
1 stop8h 10m
Deal found 14/8C$ 467
Fri 21/82:40 p.m. -
2 stops10h 00m
Tue 1/96:10 p.m. -
1 stop8h 10m
Deal found 15/8C$ 479
Tue 25/86:10 a.m. -
1 stop9h 45m
Tue 1/96:10 p.m. -
1 stop8h 10m
Deal found 15/8C$ 508
Tue 27/107:40 a.m. -
2 stops14h 35m
Tue 10/114:45 p.m. -
1 stop9h 50m
Deal found 16/8C$ 517
Fri 25/96:10 a.m. -
1 stop9h 45m
Tue 29/91:20 p.m. -
2 stops13h 00m
Deal found 12/8C$ 534
Thu 12/118:00 p.m. -
1 stop16h 23m
Wed 18/111:10 p.m. -
2 stops26h 05m
Deal found 15/8C$ 538
Fri 21/82:40 p.m. -
2 stops10h 00m
Wed 2/96:10 p.m. -
1 stop8h 10m
Deal found 15/8C$ 549
Tue 29/93:30 p.m. -
2 stops11h 18m
Tue 6/1011:30 p.m. -
1 stop6h 50m
Deal found 15/8C$ 565

Find flight deals from London to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 August 2026.

Round-trip from

C$ 467

One-way from

C$ 243
WestJet
  • WestJet
  • 13/9-19/9
  • 3 total stops
  • 33h 00m total
  • London to Las Vegas
Search Deals
15/9
  • 15/9
  • 2 total stops
  • 18h 41m total
  • London to Las Vegas
Search Deals

Cheapflights Fare Finder

 
Customize 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, Cheapflights users made 629,999 searches. Data last updated 17 August 2026.
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

Cheapest round-trip

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Sun 13/9

5:55 p.m.-3:45 p.m.

2 stops24h 50m

Las Vegas Harry Reid Intl

Sat 19/9

6:10 p.m.-5:20 a.m.

1 stop8h 10m

C$ 467
Quickest round-trip

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Fri 25/9

6:10 a.m.-12:55 p.m.

1 stop9h 45m

Las Vegas Harry Reid Intl

Tue 29/9

6:10 p.m.-5:20 a.m.

1 stop8h 10m

C$ 534

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Tue 29/9

3:30 p.m.-11:48 p.m.

2 stops11h 18m

Las Vegas Harry Reid Intl

Tue 6/10

11:30 p.m.-9:20 a.m.

1 stop6h 50m

C$ 565

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Mon 5/10

3:30 p.m.-8:36 a.m.

2 stops20h 06m

Las Vegas Harry Reid Intl

Wed 7/10

12:59 a.m.-2:55 p.m.

2 stops10h 56m

C$ 645

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Mon 21/12

5:30 a.m.-5:23 p.m.

2 stops14h 53m

Las Vegas Harry Reid Intl

Mon 28/12

7:00 a.m.-9:47 p.m.

2 stops11h 47m

C$ 646

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Wed 23/12

5:30 a.m.-8:42 p.m.

2 stops18h 12m

Las Vegas Harry Reid Intl

Mon 28/12

7:00 a.m.-9:47 p.m.

2 stops11h 47m

C$ 646

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Mon 5/10

5:55 p.m.-12:30 p.m.

2 stops21h 35m

Las Vegas Harry Reid Intl

Thu 8/10

4:30 p.m.-5:20 a.m.

1 stop9h 50m

C$ 656

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Wed 23/12

5:30 a.m.-8:42 p.m.

2 stops18h 12m

Las Vegas Harry Reid Intl

Thu 31/12

12:59 a.m.-9:47 p.m.

2 stops17h 48m

C$ 698
Cheapest one-way

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Tue 15/9

6:10 a.m.-9:51 p.m.

2 stops18h 41m

C$ 243

LondonLas Vegas

YXU London - LAS Las Vegas Harry Reid Intl

YXULAS

London

Mon 28/9

6:10 a.m.-12:55 p.m.

1 stop9h 45m

C$ 264

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/8

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from London to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Las Vegas

What’s the top layover airport for flights from London, Ontario to Las Vegas?

Share of one-stop round-trip flights from London, Ontario to Las Vegas chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 80% of one-stop itineraries from London, Ontario to Las Vegas on Cheapflights.

What’s the cheapest layover airport for flights from London, Ontario to Las Vegas?

Average round-trip fare for 1-stop flights from London, Ontario to Las Vegas, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Calgary (YYC) is the most affordable 1-stop option, with an average round-trip price of C$ 478.

What’s the fastest layover option from London, Ontario to Las Vegas?

Shortest average travel time for 1-stop one-way flights from London, Ontario to Las Vegas, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 7h 54m.

Which airport typically offers the quickest layover for flights from London, Ontario to Las Vegas?

Average layover duration for 1-stop one-way flights from London, Ontario to Las Vegas, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 44m.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated 17 August 2026.
See what other customers who have flown with Air Canada from London to Las Vegas have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
11,483 reviews
Check prices

Boarding

7.3

Food

6.3

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍
Air Canada
7.1
Good
11,483 reviews
Air Canada
7.1
Good
11,483 reviews
Check prices

Boarding

7.3

Food

6.3

Comfort

7.1

Crew

7.8

Overall

7.1

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

YYZ - LAS

It's was great and the crew are very nice, captain has a smooth land on the runway 👍

Related info for your journey

Find useful and relevant information for your journey from London to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London, Ontario to Las Vegas?

    Departing from London, Ontario to Las Vegas will take you 11h 18m. London, Ontario and Las Vegas are separated by a distance of 2992 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What is the cheapest airline to fly from London, Ontario to Las Vegas round-trip?

    Cheapflights users have booked flights from London, Ontario to Las Vegas round-trip from C$ 397.

  • Can I find deals for flights from London to Las Vegas that include hotel bookings?

    Yes. In addition to deals on London to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Las Vegas.

  • Can I find deals for business class flights from London to Las Vegas?

    Yes. Cheapflights offers flight deals from London to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Paradise
Kingman
North Las Vegas
Henderson

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from London to Las Vegas

Discover the top airline that operate flights from London to Las Vegas. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 397AverageC$ 748FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Las Vegas?

When you search for this flight from London to Las Vegas, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from London to Las Vegas?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Las Vegas.

Can Cheapflights find flights from London to Las Vegas with no change fees?

Need flexible booking options for your flight to Las Vegas from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Las Vegas become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Las Vegas from London today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.