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Cheap flights from London, ON to Las Vegas from C$ 248

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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LAS
26 Dec — 2 Jan1
1 adult
1 adult, Economy, 0 bags

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 26 November 2025.

Tue 2/128:10 p.m.YXU - LAS
2 stops19h 09mWestJet
Tue 9/127:05 p.m.LAS - YXU
1 stop8h 29mWestJet
Deal found 25/11C$ 811
Tue 2/125:10 a.m.YXU - LAS
2 stops12h 48mUnited Airlines
Tue 9/127:15 a.m.LAS - YXU
2 stops11h 06mUnited Airlines
Deal found 25/11C$ 993
Mon 22/125:40 p.m.YXU - LAS
1 stop7h 51mAir Canada
Thu 25/126:15 a.m.LAS - YXU
2 stops12h 06mAir Canada
Deal found 25/11C$ 1,060
Wed 3/125:10 a.m.YXU - LAS
2 stops13h 49mAir Canada
Sun 7/126:00 a.m.LAS - YXU
2 stops12h 21mAir Canada
Deal found 25/11C$ 1,091
Tue 2/128:10 p.m.YXU - LAS
2 stops19h 09mWestJet
Sun 7/126:15 p.m.LAS - YXU
2 stops21h 57mWestJet
Deal found 25/11C$ 1,119
Thu 27/115:15 a.m.YXU - LAS
2 stops13h 52mUnited Airlines
Fri 26/1212:59 a.m.LAS - YXU
2 stops13h 06mUnited Airlines
Deal found 24/11C$ 1,201
Mon 22/125:40 p.m.YXU - LAS
2 stops32h 50mMultiple Airlines
Thu 25/126:15 a.m.LAS - YXU
2 stops12h 06mMultiple Airlines
Deal found 25/11C$ 1,220
Thu 27/115:15 a.m.YXU - LAS
1 stop9h 05mAir Canada
Sat 27/1211:30 p.m.LAS - YXU
1 stop6h 16mAir Canada
Deal found 24/11C$ 1,233
Tue 2/125:10 a.m.YXU - LAS
1 stop9h 10mAir Canada
Sun 7/1211:30 p.m.LAS - YXU
1 stop6h 16mAir Canada
Deal found 25/11C$ 1,240

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 26 November 2025.

Round-trip from

C$ 402

One-way from

C$ 248

Popular in

December

Cheapest in

September

Average price

C$ 528
WestJet
  • WestJet
  • 21/1-27/1
  • 3 total stops
  • 27h 38m total
  • London to Las Vegas
Search Deals
8/1
  • 8/1
  • 3 total stops
  • 25h 20m total
  • London to Las Vegas
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (C$ 58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 26 November 2025.
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

Fri 27/2

7:30 a.m.-8:16 p.m.

2 stops15h 46m

Las Vegas Harry Reid Intl

Mon 2/3

7:05 p.m.-6:35 a.m.

1 stop8h 30m

C$ 406

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 21/1

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

2 stops19h 09m

Las Vegas Harry Reid Intl

Tue 27/1

1:10 p.m.-6:34 a.m.

2 stops14h 24m

C$ 413

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 22/1

9:25 a.m.-8:39 p.m.

2 stops14h 14m

Las Vegas Harry Reid Intl

Fri 23/1

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

1 stop6h 16m

C$ 521

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 16/2

8:10 p.m.-9:33 p.m.

1 stop28h 23m

Las Vegas Harry Reid Intl

Sat 21/2

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

1 stop21h 08m

C$ 536

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 27/2

7:30 a.m.-8:16 p.m.

2 stops15h 46m

Las Vegas Harry Reid Intl

Mon 2/3

7:15 p.m.-6:35 a.m.

3 stops32h 20m

C$ 590

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 8/1

8:10 p.m.-6:30 p.m.

3 stops25h 20m

C$ 248

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 9/1

7:30 a.m.-12:44 p.m.

2 stops32h 14m

C$ 279

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 9/1

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

1 stop7h 51m

C$ 320

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 8/1

5:10 a.m.-11:20 a.m.

1 stop9h 10m

C$ 320

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 9/1

7:30 a.m.-8:15 p.m.

2 stops39h 45m

C$ 323

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/11

Showing 1-10 of 11 results
1
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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 21 November 2025.

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$ 152). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of C$ 241). 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.

What is the cheapest time of day to fly from YXU to LAS?

Find hourly flight availability from London to Las Vegas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 November 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from London, Ontario to Las Vegas by exploring options for tickets in the evening.

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 26 November 2025.
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
9,046 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,046 reviews
United Airlines
7.4
Good
9,046 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
WestJet
7.2
Good
3,173 reviews
United Airlines
7.4
Good
9,046 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Air Canada
7.1
Good
10,476 reviews
United Airlines
7.4
Good
9,046 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 14m. 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$ 182. Other airlines that can offer you cheap pricing are WestJet, from C$ 336, and Air Canada, from C$ 364. 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, March is the cheapest month in which you can book a flight from London, Ontario to Las Vegas (average of C$ 152). Flying from London, Ontario to Las Vegas in August is currently the most expensive (average of C$ 241). 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
Henderson
Boulder City
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 26 November 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 182AverageC$ 432FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 336AverageC$ 430FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 364AverageC$ 564FlexibilityNo 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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