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Cheap flights from London, ON to Las Vegas from C$ 301

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
6 Apr — 13 Apr1
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 7 March 2026.

Tue 14/48:00 a.m.
YXU
-
LAS
1 stop13h 13m
WestJet
Thu 16/41:10 p.m.
LAS
-
YXU
2 stops14h 25m
WestJet
Deal found 5/3C$ 458
Tue 14/48:00 a.m.
YXU
-
LAS
1 stop16h 33m
WestJet
Mon 20/47:05 p.m.
LAS
-
YXU
1 stop8h 30m
WestJet
Deal found 5/3C$ 507
Mon 13/48:10 p.m.
YXU
-
LAS
1 stop25h 03m
WestJet
Thu 16/42:55 p.m.
LAS
-
YXU
1 stop12h 40m
WestJet
Deal found 5/3C$ 513
Wed 13/56:10 a.m.
YXU
-
LAS
2 stops17h 29m
Multiple Airlines
Sat 16/56:10 p.m.
LAS
-
YXU
1 stop8h 10m
Multiple Airlines
Deal found 4/3C$ 526
Tue 14/48:00 a.m.
YXU
-
LAS
1 stop13h 13m
Multiple Airlines
Sat 18/42:50 p.m.
LAS
-
YXU
2 stops36h 45m
Multiple Airlines
Deal found 5/3C$ 541
Tue 14/48:00 a.m.
YXU
-
LAS
1 stop13h 13m
Multiple Airlines
Mon 20/47:00 a.m.
LAS
-
YXU
2 stops20h 35m
Multiple Airlines
Deal found 5/3C$ 544
Thu 9/48:10 p.m.
YXU
-
LAS
2 stops46h 05m
Multiple Airlines
Thu 16/42:55 p.m.
LAS
-
YXU
1 stop12h 40m
Multiple Airlines
Deal found 5/3C$ 545
Mon 13/48:10 p.m.
YXU
-
LAS
2 stops24h 04m
Multiple Airlines
Thu 16/42:55 p.m.
LAS
-
YXU
1 stop12h 40m
Multiple Airlines
Deal found 5/3C$ 547
Thu 4/65:55 p.m.
YXU
-
LAS
1 stop30h 45m
WestJet
Sat 6/66:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 3/3C$ 551
Wed 8/48:10 p.m.
YXU
-
LAS
2 stops24h 04m
Multiple Airlines
Thu 16/42:55 p.m.
LAS
-
YXU
1 stop12h 40m
Multiple Airlines
Deal found 5/3C$ 558
Fri 29/55:55 p.m.
YXU
-
LAS
1 stop30h 45m
WestJet
Mon 1/64:35 p.m.
LAS
-
YXU
2 stops33h 45m
WestJet
Deal found 5/3C$ 573

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 7 March 2026.

Round-trip from

C$ 458

One-way from

C$ 301

Popular in

May

Cheapest in

June

Average price

C$ 560
WestJet
  • WestJet
  • 14/4-16/4
  • 3 total stops
  • 27h 38m total
  • London to Las Vegas
Search Deals
19/4
  • 19/4
  • 3 total stops
  • 21h 31m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 9 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 7 March 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

Fri 29/5

5:55 p.m.-9:40 p.m.

1 stop30h 45m

Las Vegas Harry Reid Intl

Mon 1/6

4:35 p.m.-5:20 a.m.

2 stops33h 45m

C$ 573
Quickest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 1/6

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

2 stops12h 35m

Las Vegas Harry Reid Intl

Sat 6/6

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

1 stop8h 10m

C$ 592

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 8/4

9:25 a.m.-8:35 p.m.

2 stops14h 10m

Las Vegas Harry Reid Intl

Mon 13/4

11:30 p.m.-5:04 p.m.

1 stop14h 34m

C$ 624

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 2/4

9:25 a.m.-11:59 p.m.

2 stops17h 34m

Las Vegas Harry Reid Intl

Thu 9/4

4:57 p.m.-5:04 p.m.

3 stops21h 07m

C$ 707

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 16/4

9:25 a.m.-11:59 p.m.

2 stops17h 34m

Las Vegas Harry Reid Intl

Sat 18/4

7:00 a.m.-9:19 p.m.

2 stops11h 19m

C$ 707

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 22/7

6:00 a.m.-1:01 p.m.

2 stops10h 01m

Las Vegas Harry Reid Intl

Fri 24/7

8:29 p.m.-3:00 p.m.

3 stops15h 31m

C$ 727

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 14/4

5:10 a.m.-12:28 p.m.

2 stops10h 18m

Las Vegas Harry Reid Intl

Thu 16/4

11:22 p.m.-5:04 p.m.

2 stops14h 42m

C$ 727

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 13/4

5:10 a.m.-6:23 p.m.

2 stops16h 13m

Las Vegas Harry Reid Intl

Mon 20/4

7:04 p.m.-8:44 a.m.

2 stops10h 40m

C$ 727

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 29/5

5:40 a.m.-6:23 p.m.

3 stops15h 43m

Las Vegas Harry Reid Intl

Sun 31/5

12:36 a.m.-2:58 p.m.

2 stops11h 22m

C$ 727

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 16/4

8:10 p.m.-6:39 p.m.

2 stops25h 29m

Las Vegas Harry Reid Intl

Sun 19/4

8:05 a.m.-7:13 p.m.

1 stop8h 08m

C$ 731

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 20 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 is the cheapest month to book a flight from London, Ontario to Las Vegas?

Currently, March is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of C$ 153). 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 7 March 2026.
See what other customers who have flown with United Airlines and 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.
United Airlines
7.4
Good
9,404 reviews
Check prices

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

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
9,404 reviews
United Airlines
7.4
Good
9,404 reviews
Check prices

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

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
10,789 reviews
United Airlines
7.4
Good
9,404 reviews
Check prices

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Crew

8.1

Overall

7.4

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 14h 10m. 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 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. Another airline that can offer you cheap pricing is Air Canada. United Airlines is currently priced 65% 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, March is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of C$ 153). 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

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

Top 2 airlines flying from London to Las Vegas

Discover the top 2 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 7 March 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 176AverageC$ 396FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 352AverageC$ 540FlexibilityNo 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.

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