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Cheap flights from London, ON to Las Vegas from C$ 377

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 31/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
17 May — 24 May1
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 April 2026.

Thu 11/66:10 a.m.
YXU
-
LAS
2 stops13h 25m
WestJet
Sun 14/61:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 14/4C$ 517
Mon 8/66:10 a.m.
YXU
-
LAS
1 stop9h 45m
WestJet
Thu 11/64:35 p.m.
LAS
-
YXU
2 stops18h 15m
WestJet
Deal found 14/4C$ 521
Mon 1/66:10 a.m.
YXU
-
LAS
2 stops12h 35m
WestJet
Wed 3/61:20 p.m.
LAS
-
YXU
2 stops24h 25m
WestJet
Deal found 15/4C$ 539
Fri 19/62:40 p.m.
YXU
-
LAS
1 stop6h 55m
WestJet
Sun 21/68:30 a.m.
LAS
-
YXU
1 stop29h 15m
WestJet
Deal found 13/4C$ 547
Tue 9/66:10 a.m.
YXU
-
LAS
1 stop9h 45m
WestJet
Wed 10/61:20 p.m.
LAS
-
YXU
2 stops13h 00m
WestJet
Deal found 13/4C$ 582
Sun 13/92:40 p.m.
YXU
-
LAS
2 stops10h 00m
WestJet
Thu 17/96:10 p.m.
LAS
-
YXU
1 stop8h 10m
WestJet
Deal found 15/4C$ 583

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 April 2026.

Round-trip from

C$ 517

One-way from

C$ 377

Popular in

April

Cheapest in

June

Average price

C$ 796
WestJet
  • WestJet
  • 11/6-14/6
  • 4 total stops
  • 26h 25m total
  • London to Las Vegas
Search Deals
WestJet
  • WestJet
  • 31/5
  • 1 total stop
  • 6h 55m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (C$ 269 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (C$ 37 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 17 April 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

Mon 8/6

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

2 stops12h 35m

Las Vegas Harry Reid Intl

Thu 11/6

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

2 stops13h 00m

C$ 521

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 19/6

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

2 stops10h 00m

Las Vegas Harry Reid Intl

Sun 21/6

6:10 p.m.-4:45 p.m.

1 stop19h 35m

C$ 550

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 9/6

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

1 stop9h 45m

Las Vegas Harry Reid Intl

Wed 10/6

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

2 stops13h 00m

C$ 582

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 13/9

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

2 stops10h 00m

Las Vegas Harry Reid Intl

Thu 17/9

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

1 stop8h 10m

C$ 583

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 19/6

3:30 p.m.-10:24 p.m.

2 stops9h 54m

Las Vegas Harry Reid Intl

Sun 21/6

11:25 p.m.-2:57 p.m.

2 stops12h 32m

C$ 613

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 16/6

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

2 stops21h 35m

Las Vegas Harry Reid Intl

Thu 18/6

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

2 stops13h 00m

C$ 627
Quickest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 16/6

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

1 stop9h 45m

Las Vegas Harry Reid Intl

Thu 18/6

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

1 stop8h 10m

C$ 662
Cheapest one-way

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 31/5

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

2 stops10h 00m

C$ 377

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 30/5

5:10 a.m.-1:01 p.m.

2 stops10h 51m

C$ 443

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 15/5

9:30 a.m.-12:19 a.m.

3 stops17h 49m

C$ 443

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/4

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

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 17 April 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
9,602 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
United Airlines
7.4
Good
9,602 reviews
United Airlines
7.4
Good
9,602 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.
Air Canada
7.1
Good
10,932 reviews
United Airlines
7.4
Good
9,602 reviews
Check prices

Comfort

7.3

Food

6.6

Boarding

7.7

Entertainment

7.1

Crew

8.1

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Anonymous,Apr 2026

DFW - EWR

The flight was on time. Crew was friendly. Will fly again. The seats was comfortable.

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$ 177. Another airline that can offer you cheap pricing is Air Canada. United Airlines is currently priced 67% 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
Henderson
North Las Vegas
Paradise

Browse thousands of different options on Cheapflights for your next trip

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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 17 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 177AverageC$ 684FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 393AverageC$ 659FlexibilityNo 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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