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Cheap flights from London, Ontario to Las Vegas from C$ 547

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to Las Vegas departing on 15/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to Las Vegas

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
8:10 p.m. - 10:27 a.m.YXU-LAS
17h 17m1 stop
WestJet Logo
1:10 p.m. - 6:35 a.m.LAS-YXU
14h 25m2 stops
C$ 547WestJet
Find Deal
Sun, 15 Mar - Thu, 19 Mar
WestJet Logo
8:10 p.m. - 6:13 p.m.YXU-LAS
25h 03m1 stop
WestJet Logo
7:05 p.m. - 6:35 a.m.LAS-YXU
8h 30m1 stop
C$ 560WestJet
Find Deal
Sun, 15 Mar - Thu, 19 Mar
WestJet Logo
8:10 p.m. - 6:13 p.m.YXU-LAS
25h 03m1 stop
WestJet Logo
9:15 p.m. - 6:35 a.m.LAS-YXU
30h 20m2 stops
C$ 566WestJet
Find Deal
Sun, 15 Mar - Sat, 21 Mar
Air Canada Logo
5:40 p.m. - 10:31 p.m.YXU-LAS
7h 51m1 stop
Air Canada Logo
6:00 a.m. - 9:21 p.m.LAS-YXU
12h 21m2 stops
C$ 581Air Canada
Find Deal
Mon, 23 Feb - Fri, 27 Feb
Air Canada Logo
5:40 p.m. - 10:31 p.m.YXU-LAS
7h 51m1 stop
Air Canada Logo
11:30 p.m. - 8:46 a.m.LAS-YXU
6h 16m1 stop
C$ 583Air Canada
Find Deal
Mon, 23 Feb - Fri, 27 Feb
Air Canada Logo
5:40 p.m. - 10:31 p.m.YXU-LAS
7h 51m1 stop
Air Canada Logo
11:30 p.m. - 8:46 a.m.LAS-YXU
6h 16m1 stop
C$ 628Air Canada
Find Deal
Mon, 16 Mar - Fri, 20 Mar
Air Canada Logo
5:40 p.m. - 10:31 p.m.YXU-LAS
7h 51m1 stop
Air Canada Logo
11:30 p.m. - 8:46 a.m.LAS-YXU
6h 16m1 stop
C$ 664Air Canada
Find Deal
Fri, 20 Mar - Sat, 21 Mar
United Airlines Logo
5:10 a.m. - 9:27 p.m.YXU-LAS
19h 17m2 stops
United Airlines Logo
11:59 p.m. - 5:05 p.m.LAS-YXU
14h 06m2 stops
C$ 667United Airlines
Find Deal
Fri, 20 Mar - Fri, 20 Mar
United Airlines Logo
9:25 a.m. - 8:15 p.m.YXU-LAS
13h 50m2 stops
United Airlines Logo
12:59 a.m. - 5:05 p.m.LAS-YXU
13h 06m2 stops
C$ 673United Airlines
Find Deal
Mon, 23 Feb - Thu, 26 Feb
United Airlines Logo
5:10 a.m. - 8:02 p.m.YXU-LAS
17h 52m2 stops
United Airlines Logo
12:59 a.m. - 5:05 p.m.LAS-YXU
13h 06m2 stops
C$ 674United Airlines
Find Deal
Sun, 15 Mar - Wed, 18 Mar

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
15 Mar
YXU8:10 p.m.London
17h 17m
1 stop
LAS10:27 a.m.Las Vegas Harry Reid Intl
19 Mar
LAS1:10 p.m.Las Vegas Harry Reid Intl
14h 25m
2 stops
YXU6:35 a.m.London
C$ 547
Find similar
WestJet
15 Mar
YXU8:10 p.m.London
25h 03m
1 stop
LAS6:13 p.m.Las Vegas Harry Reid Intl
19 Mar
LAS7:05 p.m.Las Vegas Harry Reid Intl
8h 30m
1 stop
YXU6:35 a.m.London
C$ 560
Find similar
WestJet
15 Mar
YXU8:10 p.m.London
25h 03m
1 stop
LAS6:13 p.m.Las Vegas Harry Reid Intl
21 Mar
LAS9:15 p.m.Las Vegas Harry Reid Intl
30h 20m
2 stops
YXU6:35 a.m.London
C$ 566
Find similar

Air Canada flights from London, Ontario to Las Vegas

Our best Air Canada deals on London, Ontario to Las Vegas flight tickets
Air Canada
23 Feb
YXU9:25 a.m.London
14h 14m
2 stops
LAS8:39 p.m.Las Vegas Harry Reid Intl
27 Feb
LAS6:00 a.m.Las Vegas Harry Reid Intl
12h 21m
2 stops
YXU9:21 p.m.London
C$ 581
Find similar
Air Canada
23 Feb
YXU5:40 p.m.London
7h 51m
1 stop
LAS10:31 p.m.Las Vegas Harry Reid Intl
27 Feb
LAS11:30 p.m.Las Vegas Harry Reid Intl
6h 16m
1 stop
YXU8:46 a.m.London
C$ 583
Find similar
Air Canada
16 Mar
YXU5:40 p.m.London
7h 51m
1 stop
LAS10:31 p.m.Las Vegas Harry Reid Intl
20 Mar
LAS11:30 p.m.Las Vegas Harry Reid Intl
6h 16m
1 stop
YXU8:46 a.m.London
C$ 628
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario 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, momondo users made 96,600 searches. Data last updated 6 November 2025.
Use the filters below to find and compare flights from London, Ontario to Las Vegas that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 15/3

8:10 p.m.-10:27 a.m.

1 stop17h 17m

Las Vegas Harry Reid Intl

Thu 19/3

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

2 stops14h 25m

C$ 547

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 15/3

8:10 p.m.-6:13 p.m.

1 stop25h 03m

Las Vegas Harry Reid Intl

Thu 19/3

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

1 stop8h 30m

C$ 560

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 15/3

8:10 p.m.-6:13 p.m.

1 stop25h 03m

Las Vegas Harry Reid Intl

Sat 21/3

9:15 p.m.-6:35 a.m.

2 stops30h 20m

C$ 566

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 23/2

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 27/2

6:00 a.m.-9:21 p.m.

2 stops12h 21m

C$ 581

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 23/2

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 27/2

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

1 stop6h 16m

C$ 583

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 16/3

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 20/3

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

1 stop6h 16m

C$ 628

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 20/3

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 21/3

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

1 stop6h 16m

C$ 664

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 20/3

5:10 a.m.-9:27 p.m.

2 stops19h 17m

Las Vegas Harry Reid Intl

Fri 20/3

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

2 stops14h 06m

C$ 667

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 23/2

9:25 a.m.-8:15 p.m.

2 stops13h 50m

Las Vegas Harry Reid Intl

Thu 26/2

12:59 a.m.-5:05 p.m.

2 stops13h 06m

C$ 673

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 15/3

5:10 a.m.-8:02 p.m.

2 stops17h 52m

Las Vegas Harry Reid Intl

Wed 18/3

12:59 a.m.-5:05 p.m.

2 stops13h 06m

C$ 674

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Las Vegas from

How to get the cheapest flight ticket from London, Ontario to Las Vegas

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in September, then February is your next best option. Flight prices from London, Ontario to Las Vegas during February average around C$ 434.

What is the cheapest day to depart on your flight to Las Vegas?

The cheapest day to depart from London, Ontario to Las Vegas is on a Sunday. Travellers who choose to depart for Las Vegas on a Sunday will often find tickets for as low as C$ 569. The most expensive day to fly to Las Vegas is Thursday, with ticket prices averaging around C$ 717.

What is the cheapest time of day to depart on your flight to Las Vegas?

The cheapest time of day to fly to Las Vegas is in the evening when flights can be purchased for as low as C$ 502. Try not to purchase tickets at noon because they tend to be around C$ 677. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Las Vegas?

You are more likely to see cheaper flights to Las Vegas from London, Ontario when booking weeks ahead of your departure date. In general, you can expect to find flights to Las Vegas for around C$ 523 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Las Vegas from London, Ontario for as low as C$ 430 on momondo.

Can stopping save me money on London, Ontario to Las Vegas flights?

You could potentially save up to 7% on your flight if you consider stops on a London, Ontario to Las Vegas flight.

When to book flights from London, Ontario to Las Vegas

Are you open to changing your travel dates? Check out the ideal times to fly from London, Ontario to Las Vegas according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London, Ontario to Las Vegas (YXU to LAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Las Vegas

Direct flights

None
There are no direct flights from London, Ontario to Las Vegas. There are no popular flight routes from London, Ontario to Las Vegas.
Search flight deals

  • How far is London to Las Vegas Harry Reid Intl by plane?

    London and Las Vegas Harry Reid Intl are 2978.6 km apart from one another. By plane, this route typically takes 7h 51m.

  • When did momondo last update prices for flights from London Airport to Las Vegas Harry Reid Intl Airport?

    Prices for flights from London Airport to Las Vegas Harry Reid Intl Airport refresh daily.

  • How many operators does momondo search for flights from London Airport to Las Vegas Harry Reid Intl Airport?

  • How old do you have to be to fly from London Airport to Las Vegas Harry Reid Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Las Vegas Harry Reid Intl Airport.

  • What documentation or ID do you need to fly to Las Vegas Harry Reid Intl Airport?

    The travel and health documents required for your trip to Las Vegas Harry Reid Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Las Vegas Harry Reid Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from London, Ontario to Las Vegas?

Best airlines flying from London, Ontario to Las Vegas

Compare and see reviews for airlines that fly from London, Ontario to Las Vegas with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 182Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
WestJetPriceFrom C$ 336Free CancellationRating
7.2
3,155 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 364Free CancellationRating
7.1
10,416 reviews
Search Air Canada flights

Travelling to a place near Las Vegas?

Book flights to Las Vegas if you plan to visit one of these locations
Laughlin
Paradise
Mesquite
Boulder City
Henderson
Pahrump
North Las Vegas
Needles
Primm
Sunrise Manor

Why use momondo?

Why should I use momondo to find a flight deal from London to Las Vegas?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Las Vegas for you.

Can I find flights from London to Las Vegas with flexible booking policies on momondo?

momondo does allow users to show only those flights to Las Vegas from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Las Vegas?

momondo provides multiple filters to help you find the best flight to Las Vegas from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from London to Las Vegas right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Las Vegas now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Las Vegas and let you know when they change.

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