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Cheap flights from London, ON to Las Vegas from C$ 265

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 26/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap 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 January 2026.

Round-trip from

C$ 383

One-way from

C$ 265

Popular in

December

Cheapest in

May

Average price

C$ 452
WestJet
  • WestJet
  • 24/5-30/5
  • 2 total stops
  • 14h 57m total
  • London to Las Vegas
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Air Canada
  • Air Canada
  • 26/2
  • 1 total stop
  • 7h 51m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 23 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find 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 January 2026.

Sun 24/52:35 p.m.
YXU
-
LAS
1 stop7h 05m
WestJet
Sat 30/56:20 p.m.
LAS
-
YXU
1 stop7h 52m
WestJet
Deal found 13/1C$ 383
Thu 26/28:10 p.m.
YXU
-
LAS
2 stops27h 06m
WestJet
Thu 5/31:10 p.m.
LAS
-
YXU
2 stops14h 25m
WestJet
Deal found 12/1C$ 400
Mon 9/35:40 p.m.
YXU
-
LAS
1 stop7h 51m
Air Canada
Fri 13/311:30 p.m.
LAS
-
YXU
1 stop6h 16m
Air Canada
Deal found 11/1C$ 473
Sun 9/82:35 p.m.
YXU
-
LAS
1 stop7h 05m
WestJet
Sat 22/88:00 a.m.
LAS
-
YXU
1 stop8h 07m
WestJet
Deal found 13/1C$ 505
Sun 9/82:35 p.m.
YXU
-
LAS
1 stop7h 05m
WestJet
Sun 23/81:25 p.m.
LAS
-
YXU
2 stops12h 47m
WestJet
Deal found 13/1C$ 518
Sat 8/88:00 p.m.
YXU
-
LAS
1 stop24h 34m
WestJet
Sat 22/88:00 a.m.
LAS
-
YXU
1 stop8h 07m
WestJet
Deal found 13/1C$ 520
Sun 9/82:35 p.m.
YXU
-
LAS
1 stop7h 05m
WestJet
Wed 19/86:20 p.m.
LAS
-
YXU
1 stop7h 52m
WestJet
Deal found 13/1C$ 525

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 January 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

Sun 24/5

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

1 stop7h 05m

Las Vegas Harry Reid Intl

Sat 30/5

6:20 p.m.-5:12 a.m.

1 stop7h 52m

C$ 383

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 26/2

8:10 p.m.-8:16 p.m.

2 stops27h 06m

Las Vegas Harry Reid Intl

Thu 5/3

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

2 stops14h 25m

C$ 400

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 9/3

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 13/3

11:30 p.m.-8:46 a.m.

1 stop6h 16m

C$ 473

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 9/3

5:40 p.m.-8:13 a.m.

2 stops17h 33m

Las Vegas Harry Reid Intl

Fri 13/3

11:59 p.m.-5:05 p.m.

2 stops14h 06m

C$ 565

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 26/2

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

1 stop7h 51m

C$ 265

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 26/2

8:10 p.m.-8:16 p.m.

3 stops27h 06m

C$ 291

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 8/7

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

1 stop7h 14m

C$ 291

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 27/2

7:30 a.m.-10:26 a.m.

2 stops29h 56m

C$ 296

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 26/2

8:10 p.m.-11:59 p.m.

2 stops30h 49m

C$ 303

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 8/7

6:00 a.m.-12:30 p.m.

2 stops33h 30m

C$ 316

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 13 results
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 far ahead should I book a flight from London, Ontario to Las Vegas?

Use this chart to determine the optimal time to book a round-trip flight from London to Las Vegas. Price data was last updated on 9 January 2026.

To ensure you get the cheapest price possible for a flight from London, Ontario to Las Vegas, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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$ 146). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of C$ 237). 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 January 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
9,156 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,156 reviews
United Airlines
7.4
Good
9,156 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
WestJet
7.2
Good
3,240 reviews
United Airlines
7.4
Good
9,156 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
Air Canada
7.1
Good
10,619 reviews
United Airlines
7.4
Good
9,156 reviews
Check prices

Entertainment

7.1

Boarding

7.7

Food

6.6

Comfort

7.3

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 7h 05m. 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$ 179. Other airlines that can offer you cheap pricing are WestJet, from C$ 331, and Air Canada, from C$ 351. United Airlines is currently priced 63% 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$ 146). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of C$ 237). 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 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 179AverageC$ 423FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 331AverageC$ 423FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 358AverageC$ 534FlexibilityNo 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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