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Cheap flights from London, ON to Las Vegas from C$ 293

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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
16 Mar — 23 Mar1
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 14 February 2026.

Wed 6/56:10 a.m.
YXU
-
LAS
2 stops12h 35m
WestJet
Wed 13/51:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 11/2C$ 349
Tue 10/38:10 p.m.
YXU
-
LAS
2 stops19h 09m
WestJet
Tue 17/31:10 p.m.
LAS
-
YXU
2 stops14h 25m
WestJet
Deal found 10/2C$ 351
Sun 26/45:55 p.m.
YXU
-
LAS
1 stop26h 20m
WestJet
Tue 5/51:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 11/2C$ 398
Fri 26/62:20 p.m.
YXU
-
LAS
1 stop7h 10m
WestJet
Fri 3/76:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 13/2C$ 511
Sat 28/35:40 p.m.
YXU
-
LAS
1 stop7h 51m
Air Canada
Sat 4/46:15 a.m.
LAS
-
YXU
2 stops12h 03m
Air Canada
Deal found 11/2C$ 527
Mon 15/66:10 a.m.
YXU
-
LAS
2 stops12h 35m
WestJet
Tue 23/61:45 p.m.
LAS
-
YXU
1 stop24h 05m
WestJet
Deal found 13/2C$ 545
Fri 29/52:20 p.m.
YXU
-
LAS
1 stop7h 10m
WestJet
Sun 31/55:35 p.m.
LAS
-
YXU
2 stops20h 15m
WestJet
Deal found 10/2C$ 570

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 14 February 2026.

Round-trip from

C$ 349

One-way from

C$ 293

Popular in

December

Cheapest in

June

Average price

C$ 396
WestJet
  • WestJet
  • 6/5-13/5
  • 4 total stops
  • 25h 35m total
  • London to Las Vegas
Search Deals
Air Canada
  • Air Canada
  • 28/3
  • 1 total stop
  • 7h 51m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 14 February 2026.
Use the filters below to find and compare flights from London to Las Vegas that are best for you.

Fly from

London

Fly to

Las Vegas

Route

Depart

Return

Price

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 6/5

6:10 a.m.-3:45 p.m.

2 stops12h 35m

Las Vegas Harry Reid Intl

Wed 13/5

1:20 p.m.-5:20 a.m.

2 stops13h 00m

C$ 349

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 10/3

8:10 p.m.-12:19 p.m.

2 stops19h 09m

Las Vegas Harry Reid Intl

Tue 17/3

1:10 p.m.-6:35 a.m.

2 stops14h 25m

C$ 351

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 26/4

6:10 a.m.-4:35 p.m.

2 stops13h 25m

Las Vegas Harry Reid Intl

Tue 5/5

1:20 p.m.-5:20 a.m.

2 stops13h 00m

C$ 354

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 26/6

2:20 p.m.-6:30 p.m.

1 stop7h 10m

Las Vegas Harry Reid Intl

Fri 3/7

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

1 stop8h 10m

C$ 511

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 28/3

5:40 p.m.-10:31 p.m.

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 4/4

6:15 a.m.-9:18 p.m.

2 stops12h 03m

C$ 527

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 28/3

5:40 p.m.-10:31 p.m.

1 stop7h 51m

C$ 293

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 30/3

8:10 p.m.-12:19 p.m.

2 stops19h 09m

C$ 325

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 28/3

5:10 a.m.-9:01 p.m.

2 stops18h 51m

C$ 343

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 30/3

5:10 a.m.-5:52 p.m.

3 stops15h 42m

C$ 553

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 28/3

5:05 p.m.-11:35 p.m.

3 stops33h 30m

C$ 747

Flights are sorted by cheapest round-trip flights first.

Deals found on 13/2

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 is the cheapest month to book a flight from London, Ontario to Las Vegas?

Currently, November is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of C$ 154). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of C$ 233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from London, Ontario to Las Vegas?

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 14 February 2026.
See what other customers who have flown with United Airlines,WestJet, andAir 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.
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,289 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,260 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,717 reviews
United Airlines
7.4
Good
9,289 reviews
Check prices

Overall

7.4

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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 12h 35m. London, Ontario and Las Vegas are separated by a distance of 2992 km.

  • What are the cheapest airlines flying from London, Ontario to Las Vegas round-trip?

    Cheapflights users have booked flights from London, Ontario to Las Vegas round-trip from C$ 176. Other airlines that can offer you cheap pricing are Air Canada, from C$ 323, and WestJet, from C$ 367. United Airlines is currently priced 64% 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.

  • What is the cheapest month to book a flight from London, Ontario to Las Vegas?

    Currently, November is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of C$ 154). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of C$ 233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Boulder City
Henderson
North Las Vegas
Paradise

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from London to Las Vegas

Discover the top 3 airlines 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 14 February 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 176AverageC$ 396FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 323AverageC$ 511FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 367AverageC$ 420FlexibilityNo cancel feeOn-time60%
Search WestJet 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.

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