Find flights
When to book
Airlines
FAQs

Cheap flights from London, ON to Las Vegas from C$ 242

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 14/6. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
17 Jun — 24 Jun1
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 18 May 2026.

Thu 18/66:10 a.m.
YXU
-
LAS
2 stops12h 35m
WestJet
Sun 21/65:35 p.m.
LAS
-
YXU
2 stops32h 45m
WestJet
Deal found 16/5C$ 454
Fri 12/62:40 p.m.
YXU
-
LAS
1 stop6h 55m
WestJet
Fri 19/66:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 14/5C$ 465
Sat 6/65:55 p.m.
YXU
-
LAS
1 stop26h 20m
WestJet
Mon 8/64:35 p.m.
LAS
-
YXU
2 stops18h 15m
WestJet
Deal found 14/5C$ 502
Fri 14/82:40 p.m.
YXU
-
LAS
2 stops10h 00m
WestJet
Wed 19/81:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 17/5C$ 575
Sun 26/72:40 p.m.
YXU
-
LAS
2 stops10h 00m
WestJet
Thu 30/71:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 17/5C$ 580
Sat 6/65:10 a.m.
YXU
-
LAS
2 stops14h 01m
United Airlines
Mon 8/611:45 p.m.
LAS
-
YXU
2 stops12h 13m
United Airlines
Deal found 14/5C$ 610
Thu 23/78:40 p.m.
YXU
-
LAS
1 stop28h 00m
WestJet
Mon 27/76:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 17/5C$ 621
Thu 2/78:40 p.m.
YXU
-
LAS
1 stop23h 35m
WestJet
Thu 9/78:30 a.m.
LAS
-
YXU
1 stop8h 20m
WestJet
Deal found 18/5C$ 626

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 18 May 2026.

Round-trip from

C$ 454

One-way from

C$ 242

Popular in

August

Cheapest in

February
WestJet
  • WestJet
  • 18/6-21/6
  • 4 total stops
  • 45h 20m total
  • London to Las Vegas
Search Deals
WestJet
  • WestJet
  • 14/6
  • 2 total stops
  • 10h 00m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 50 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 27 potential savings vs. average RT price).
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 18 May 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 - LAS

YXULAS

London

Thu 18/6

6:10 a.m.-9:40 p.m.

1 stop18h 30m

Las Vegas Harry Reid Intl

Sun 21/6

5:35 p.m.-5:20 a.m.

2 stops32h 45m

C$ 521

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 26/7

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

2 stops10h 00m

Las Vegas Harry Reid Intl

Thu 30/7

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 584

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 6/6

5:10 a.m.-4:11 p.m.

2 stops14h 01m

Las Vegas Harry Reid Intl

Mon 8/6

11:45 p.m.-2:58 p.m.

2 stops12h 13m

C$ 610
Quickest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 18/8

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

1 stop9h 45m

Las Vegas Harry Reid Intl

Thu 20/8

8:30 a.m.-7:50 p.m.

1 stop8h 20m

C$ 635

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 18/8

6:20 p.m.-10:24 p.m.

1 stop7h 04m

Las Vegas Harry Reid Intl

Thu 20/8

11:25 p.m.-2:55 p.m.

2 stops12h 30m

C$ 663
Cheapest one-way

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 14/6

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

2 stops10h 00m

C$ 242
Quickest one-way

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 12/6

2:40 p.m.-6:35 p.m.

1 stop6h 55m

C$ 254

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 15/9

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

1 stop9h 45m

C$ 274

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 15/9

6:10 a.m.-1:07 p.m.

3 stops33h 57m

C$ 334

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 12/6

5:10 a.m.-6:33 p.m.

3 stops16h 23m

C$ 357

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/5

Showing 1-10 of 14 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 77% 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$ 438.

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: 8h 06m.

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 25m.

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 18 May 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
11,060 reviews
Check prices

Entertainment

6.8

Comfort

7.1

Overall

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good
Air Canada
7.1
Good
11,060 reviews
Air Canada
7.1
Good
11,060 reviews
Check prices

Entertainment

6.8

Comfort

7.1

Overall

7.1

Boarding

7.3

Crew

7.8

Food

6.3

Reviews

1 / 20
6.0
Good

Thomas,Apr 2026

YYZ - LHR

Food is sub par. I travel a lot and AC food is not good

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 14h 01m. 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$ 437. Air Canada is currently priced 13% below the average price you’ll pay for this route.

  • 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
Kingman
North Las Vegas
Henderson
Paradise

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 18 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 437AverageC$ 661FlexibilityNo 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.