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Cheap flights from London, ON to Las Vegas from C$ 275

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
22 Aug — 29 Aug1
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 23 July 2026.

Sun 18/106:10 a.m.
YXU
-
LAS
2 stops13h 25m
WestJet
Fri 23/101:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 18/7C$ 456
Thu 20/86:10 a.m.
YXU
-
LAS
2 stops12h 35m
WestJet
Thu 27/86:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 23/7C$ 505
Mon 24/86:10 a.m.
YXU
-
LAS
2 stops12h 35m
WestJet
Sun 30/86:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 22/7C$ 525
Tue 18/86:10 a.m.
YXU
-
LAS
1 stop9h 45m
WestJet
Fri 21/88:30 a.m.
LAS
-
YXU
1 stop8h 20m
WestJet
Deal found 22/7C$ 526
Mon 12/106:10 a.m.
YXU
-
LAS
1 stop12h 20m
WestJet
Sat 17/106:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 19/7C$ 534
Fri 18/95:55 p.m.
YXU
-
LAS
1 stop26h 20m
WestJet
Mon 21/96:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 22/7C$ 559
Fri 21/88:40 p.m.
YXU
-
LAS
1 stop23h 35m
WestJet
Fri 28/86:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 22/7C$ 569
Sun 20/96:10 a.m.
YXU
-
LAS
1 stop12h 20m
WestJet
Thu 24/94:30 p.m.
LAS
-
YXU
1 stop9h 50m
WestJet
Deal found 22/7C$ 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 23 July 2026.

Round-trip from

C$ 456

One-way from

C$ 275

Popular in

August

Cheapest in

September

Average price

C$ 605
WestJet
  • WestJet
  • 18/10-23/10
  • 4 total stops
  • 26h 25m total
  • London to Las Vegas
Search Deals
31/8
  • 31/8
  • 2 total stops
  • 33h 55m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 36 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
Average for round-trip flights in July 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 23 July 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

Sun 18/10

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

2 stops13h 25m

Las Vegas Harry Reid Intl

Fri 23/10

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

2 stops13h 00m

C$ 456

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 20/8

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

2 stops12h 35m

Las Vegas Harry Reid Intl

Thu 27/8

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

1 stop8h 10m

C$ 505

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 21/8

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

2 stops10h 00m

Las Vegas Harry Reid Intl

Fri 28/8

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

1 stop8h 20m

C$ 528

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 18/9

5:55 p.m.-5:15 p.m.

1 stop26h 20m

Las Vegas Harry Reid Intl

Mon 21/9

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

1 stop8h 10m

C$ 559

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 17/8

6:10 a.m.-5:15 p.m.

1 stop14h 05m

Las Vegas Harry Reid Intl

Fri 21/8

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

1 stop8h 10m

C$ 587
Quickest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 12/9

6:20 p.m.-10:22 p.m.

1 stop7h 02m

Las Vegas Harry Reid Intl

Tue 15/9

11:25 p.m.-9:20 a.m.

1 stop6h 55m

C$ 600

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 20/8

5:40 a.m.-2:44 p.m.

2 stops12h 04m

Las Vegas Harry Reid Intl

Mon 24/8

11:55 p.m.-2:50 p.m.

2 stops11h 55m

C$ 608
Cheapest one-way

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 31/8

6:10 a.m.-1:05 p.m.

2 stops33h 55m

C$ 275

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 6/9

6:10 a.m.-8:16 a.m.

3 stops29h 06m

C$ 282

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 2/9

3:30 p.m.-12:36 a.m.

2 stops12h 06m

C$ 289

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/7

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

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

Airfare is below average for this route at the moment.

London, Ontario to Las Vegas flights typically cost between C$ 614 and C$ 841 in October.
The cheapest round-trip price found within the last 5 days was C$ 456 on WestJet (18 Oct-23 Oct).

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 23 July 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
11,371 reviews
Check prices

Crew

7.8

Food

6.3

Overall

7.1

Boarding

7.3

Comfort

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
11,371 reviews
Air Canada
7.1
Good
11,371 reviews
Check prices

Crew

7.8

Food

6.3

Overall

7.1

Boarding

7.3

Comfort

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 13h 25m. London, Ontario and Las Vegas are separated by a distance of 2992 km.

  • 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$ 403. Air Canada is currently priced 26% 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
Paradise
Kingman
North Las Vegas
Henderson

Browse thousands of different options on Cheapflights for your next trip

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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 23 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 403AverageC$ 676FlexibilityNo 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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