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Cheap flights from London, Ontario to Las Vegas from C$ 298

This is the cheapest one-way 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 5/2. 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.
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$ 526Air Canada
Mon, 9 Mar - Fri, 13 Mar
Air Canada Logo
5:10 a.m. - 11:20 a.m.
YXU
-
LAS
9h 10m1 stop
Air Canada Logo
4:45 p.m. - 5:05 p.m.
LAS
-
YXU
21h 20m2 stops
C$ 552Air Canada
Sat, 10 Jan - Sat, 17 Jan
WestJet Logo
8:00 p.m. - 8:20 p.m.
YXU
-
LAS
27h 20m2 stops
WestJet Logo
8:00 a.m. - 7:07 p.m.
LAS
-
YXU
8h 07m1 stop
C$ 562WestJet
Thu, 30 Apr - Mon, 4 May
Air Canada Logo
5:10 a.m. - 3:58 p.m.
YXU
-
LAS
13h 48m2 stops
Air Canada Logo
4:45 p.m. - 5:03 p.m.
LAS
-
YXU
21h 18m2 stops
C$ 570Air Canada
Sun, 19 Apr - Tue, 21 Apr
Air Canada Logo
5:10 a.m. - 11:09 a.m.
YXU
-
LAS
8h 59m1 stop
Air Canada Logo
11:30 p.m. - 5:03 p.m.
LAS
-
YXU
14h 33m1 stop
C$ 577Air Canada
Sun, 19 Apr - Tue, 21 Apr
Air Canada Logo
5:40 p.m. - 3:59 p.m.
YXU
-
LAS
25h 19m2 stops
Air Canada Logo
11:30 p.m. - 8:46 a.m.
LAS
-
YXU
6h 16m1 stop
C$ 603Air Canada
Mon, 9 Mar - Fri, 13 Mar
Air Canada Logo
5:40 p.m. - 10:29 p.m.
YXU
-
LAS
7h 49m1 stop
Air Canada Logo
11:30 p.m. - 8:53 a.m.
LAS
-
YXU
6h 23m1 stop
C$ 608Air Canada
Thu, 30 Apr - Sun, 3 May
Air Canada Logo
5:10 a.m. - 8:35 p.m.
YXU
-
LAS
18h 25m2 stops
Air Canada Logo
6:00 p.m. - 5:33 p.m.
LAS
-
YXU
20h 33m2 stops
C$ 615Air Canada
Thu, 30 Apr - Sun, 3 May
United Airlines Logo
5:10 a.m. - 12:53 p.m.
YXU
-
LAS
10h 43m2 stops
United Airlines Logo
11:50 p.m. - 5:05 p.m.
LAS
-
YXU
14h 15m2 stops
C$ 618United Airlines
Sat, 10 Jan - Sat, 17 Jan
Air Canada Logo
5:40 p.m. - 10:31 p.m.
YXU
-
LAS
7h 51m1 stop
Air Canada Logo
11:30 p.m. - 5:05 p.m.
LAS
-
YXU
14h 35m1 stop
C$ 664Air Canada
Sat, 10 Jan - Sat, 17 Jan

United Airlines flights from London, Ontario to Las Vegas

Our best United Airlines deals on London, Ontario to Las Vegas flight tickets
United Airlines
10 Jan
YXU5:10 a.m.London
10h 43m
2 stops
LAS12:53 p.m.Las Vegas Harry Reid Intl
17 Jan
LAS11:50 p.m.Las Vegas Harry Reid Intl
14h 15m
2 stops
YXU5:05 p.m.London
C$ 618
Find similar
United Airlines
3 Mar
YXU5:10 a.m.London
15h 47m
3 stops
LAS5:57 p.m.Las Vegas Harry Reid Intl
7 Mar
LAS7:00 a.m.Las Vegas Harry Reid Intl
11h 21m
2 stops
YXU9:21 p.m.London
C$ 723
Find similar

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
5 Jan
YXU8:10 p.m.London
28h 21m
1 stop
LAS9:31 p.m.Las Vegas Harry Reid Intl
13 Jan
LAS1:10 p.m.Las Vegas Harry Reid Intl
14h 24m
2 stops
YXU6:34 a.m.London
C$ 604
Find similar
WestJet
5 Jan
YXU8:10 p.m.London
28h 21m
1 stop
LAS9:31 p.m.Las Vegas Harry Reid Intl
13 Jan
LAS8:00 a.m.Las Vegas Harry Reid Intl
19h 34m
1 stop
YXU6:34 a.m.London
C$ 646
Find similar
WestJet
5 Jan
YXU8:10 p.m.London
49h 29m
2 stops
LAS6:39 p.m.Las Vegas Harry Reid Intl
13 Jan
LAS1:10 p.m.Las Vegas Harry Reid Intl
14h 24m
2 stops
YXU6:34 a.m.London
C$ 682
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 28 December 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

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$ 526

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 10/1

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

1 stop9h 10m

Las Vegas Harry Reid Intl

Sat 17/1

4:45 p.m.-5:05 p.m.

2 stops21h 20m

C$ 552

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 30/4

8:00 p.m.-8:20 p.m.

2 stops27h 20m

Las Vegas Harry Reid Intl

Mon 4/5

8:00 a.m.-7:07 p.m.

1 stop8h 07m

C$ 562

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 19/4

5:10 a.m.-3:58 p.m.

2 stops13h 48m

Las Vegas Harry Reid Intl

Tue 21/4

4:45 p.m.-5:03 p.m.

2 stops21h 18m

C$ 570

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 19/4

5:10 a.m.-11:09 a.m.

1 stop8h 59m

Las Vegas Harry Reid Intl

Tue 21/4

11:30 p.m.-5:03 p.m.

1 stop14h 33m

C$ 577

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 9/3

5:40 p.m.-3:59 p.m.

2 stops25h 19m

Las Vegas Harry Reid Intl

Fri 13/3

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

1 stop6h 16m

C$ 603

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 30/4

5:40 p.m.-10:29 p.m.

1 stop7h 49m

Las Vegas Harry Reid Intl

Sun 3/5

11:30 p.m.-8:53 a.m.

1 stop6h 23m

C$ 608

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 30/4

5:10 a.m.-8:35 p.m.

2 stops18h 25m

Las Vegas Harry Reid Intl

Sun 3/5

6:00 p.m.-5:33 p.m.

2 stops20h 33m

C$ 615

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 10/1

5:10 a.m.-12:53 p.m.

2 stops10h 43m

Las Vegas Harry Reid Intl

Sat 17/1

11:50 p.m.-5:05 p.m.

2 stops14h 15m

C$ 618

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 10/1

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Sat 17/1

11:30 p.m.-5:05 p.m.

1 stop14h 35m

C$ 664

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 typical price of a round-trip flight between London, Ontario and Las Vegas?

What is the cheapest month to fly to Las Vegas?

If you’re not able to fly to Las Vegas in September, then June is your next best option. Flight prices from London, Ontario to Las Vegas during June average around C$ 415.

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$ 487. Try not to purchase tickets at noon because they tend to be around C$ 656. 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$ 501 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$ 380 on momondo.

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

You could potentially save up to 41% 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

Fastest flight time

9h 10m

Direct flights

None
The fastest flight from London, Ontario to Las Vegas takes 9h 10m
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 9h 10m.

  • 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$ 177Free CancellationRating
7.4
9,113 reviews
Search United Airlines flights
WestJetPriceFrom C$ 326Free CancellationRating
7.2
3,222 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 353Free CancellationRating
7.1
10,562 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
Henderson
Boulder City
Pahrump
North Las Vegas
Needles
Winchester
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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