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Cheap flights from London, Ontario to Las Vegas from C$ 342

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 5/3. 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.
Air Canada Logo
5:40 p.m. - 10:31 p.m.
YXU
-
LAS
7h 51m
1 stop
Air Canada Logo
4:45 p.m. - 8:46 a.m.
LAS
-
YXU
13h 01m
2 stops
C$ 507Air Canada
Thu, 19 Feb - Wed, 25 Feb
Air Canada Logo
5:40 p.m. - 10:31 p.m.
YXU
-
LAS
7h 51m
1 stop
Air Canada Logo
11:30 p.m. - 8:46 a.m.
LAS
-
YXU
6h 16m
1 stop
C$ 509Air Canada
Thu, 19 Feb - Wed, 25 Feb
Air Canada Logo
5:10 a.m. - 3:59 p.m.
YXU
-
LAS
13h 49m
2 stops
Air Canada Logo
11:30 p.m. - 8:46 a.m.
LAS
-
YXU
6h 16m
1 stop
C$ 543Air Canada
Tue, 17 Feb - Tue, 24 Feb
Air Canada Logo
5:40 p.m. - 10:31 p.m.
YXU
-
LAS
7h 51m
1 stop
Air Canada Logo
11:30 p.m. - 8:46 a.m.
LAS
-
YXU
6h 16m
1 stop
C$ 544Air Canada
Tue, 17 Feb - Tue, 24 Feb
Air Canada Logo
5:40 p.m. - 10:31 p.m.
YXU
-
LAS
7h 51m
1 stop
Air Canada Logo
11:30 p.m. - 8:46 a.m.
LAS
-
YXU
6h 16m
1 stop
C$ 550Air Canada
Mon, 9 Mar - Fri, 13 Mar
WestJet Logo
8:00 p.m. - 12:30 p.m.
YXU
-
LAS
19h 30m
2 stops
WestJet Logo
6:20 p.m. - 5:12 a.m.
LAS
-
YXU
7h 52m
1 stop
C$ 562WestJet
Fri, 29 May - Mon, 1 Jun
WestJet Logo
8:00 p.m. - 7:37 p.m.
YXU
-
LAS
26h 37m
2 stops
WestJet Logo
9:10 p.m. - 5:12 a.m.
LAS
-
YXU
29h 02m
2 stops
C$ 565WestJet
Fri, 29 May - Mon, 1 Jun
WestJet Logo
8:00 p.m. - 10:39 a.m.
YXU
-
LAS
17h 39m
1 stop
WestJet Logo
6:20 p.m. - 5:12 a.m.
LAS
-
YXU
7h 52m
1 stop
C$ 572WestJet
Fri, 29 May - Mon, 1 Jun
Air Canada Logo
5:10 a.m. - 3:59 p.m.
YXU
-
LAS
13h 49m
2 stops
Air Canada Logo
11:30 p.m. - 8:46 a.m.
LAS
-
YXU
6h 16m
1 stop
C$ 586Air Canada
Mon, 9 Mar - Fri, 13 Mar
Air Canada Logo
5:40 p.m. - 10:29 p.m.
YXU
-
LAS
7h 49m
1 stop
Air Canada Logo
6:15 a.m. - 9:18 p.m.
LAS
-
YXU
12h 03m
2 stops
C$ 587Air Canada
Tue, 31 Mar - Fri, 3 Apr

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
29 May
YXU8:00 p.m.London
19h 30m
2 stops
LAS12:30 p.m.Las Vegas Harry Reid Intl
1 Jun
LAS6:20 p.m.Las Vegas Harry Reid Intl
7h 52m
1 stop
YXU5:12 a.m.London
C$ 562
WestJet
29 May
YXU8:00 p.m.London
26h 37m
2 stops
LAS7:37 p.m.Las Vegas Harry Reid Intl
1 Jun
LAS9:10 p.m.Las Vegas Harry Reid Intl
29h 02m
2 stops
YXU5:12 a.m.London
C$ 565
WestJet
29 May
YXU8:00 p.m.London
17h 39m
1 stop
LAS10:39 a.m.Las Vegas Harry Reid Intl
1 Jun
LAS6:20 p.m.Las Vegas Harry Reid Intl
7h 52m
1 stop
YXU5:12 a.m.London
C$ 572

United Airlines flights from London, Ontario to Las Vegas

Our best United Airlines deals on London, Ontario to Las Vegas flight tickets
United Airlines
4 Mar
YXU5:10 a.m.London
15h 47m
3 stops
LAS5:57 p.m.Las Vegas Harry Reid Intl
11 Mar
LAS7:03 p.m.Las Vegas Harry Reid Intl
10h 43m
2 stops
YXU8:46 a.m.London
C$ 719
United Airlines
16 Feb
YXU5:10 a.m.London
21h 20m
2 stops
LAS11:30 p.m.Las Vegas Harry Reid Intl
23 Feb
LAS6:59 p.m.Las Vegas Harry Reid Intl
19h 06m
2 stops
YXU5:05 p.m.London
C$ 764
United Airlines
5 Mar
YXU5:10 a.m.London
16h 00m
3 stops
LAS6:10 p.m.Las Vegas Harry Reid Intl
12 Mar
LAS5:30 a.m.Las Vegas Harry Reid Intl
8h 35m
2 stops
YXU5:05 p.m.London
C$ 795

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 20 January 2026.
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

Thu 19/2

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Wed 25/2

4:45 p.m.-8:46 a.m.

2 stops13h 01m

C$ 507

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 19/2

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Wed 25/2

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

1 stop6h 16m

C$ 509

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 17/2

5:10 a.m.-3:59 p.m.

2 stops13h 49m

Las Vegas Harry Reid Intl

Tue 24/2

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

1 stop6h 16m

C$ 543

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 17/2

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

1 stop7h 51m

Las Vegas Harry Reid Intl

Tue 24/2

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

1 stop6h 16m

C$ 544

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$ 550

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 29/5

8:00 p.m.-12:30 p.m.

2 stops19h 30m

Las Vegas Harry Reid Intl

Mon 1/6

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

1 stop7h 52m

C$ 562

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 29/5

8:00 p.m.-7:37 p.m.

2 stops26h 37m

Las Vegas Harry Reid Intl

Mon 1/6

9:10 p.m.-5:12 a.m.

2 stops29h 02m

C$ 565

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 29/5

8:00 p.m.-10:39 a.m.

1 stop17h 39m

Las Vegas Harry Reid Intl

Mon 1/6

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

1 stop7h 52m

C$ 572

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 9/3

5:10 a.m.-3:59 p.m.

2 stops13h 49m

Las Vegas Harry Reid Intl

Fri 13/3

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

1 stop6h 16m

C$ 586

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 31/3

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

1 stop7h 49m

Las Vegas Harry Reid Intl

Fri 3/4

6:15 a.m.-9:18 p.m.

2 stops12h 03m

C$ 587

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 May, then September is your next best option. Flight prices from London, Ontario to Las Vegas during September average around C$ 405.

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$ 485 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$ 382 on momondo.

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

You could potentially save up to 1% 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 54m

Direct flights

None
The fastest flight from London, Ontario to Las Vegas takes 9h 54m
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 54m.

  • 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$ 179Free CancellationRating
7.4
9,183 reviews
Search United Airlines flights
WestJetPriceFrom C$ 331Free CancellationRating
7.2
3,247 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 351Free CancellationRating
7.1
10,637 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
Needles
North Las Vegas
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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