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Cheap flights from London, Ontario to Las Vegas from $158

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 10/4. 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

WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
6:20 pm - 5:12 amLAS-YXU
7h 52m1 stop
$249WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
1:25 pm - 5:12 amLAS-YXU
12h 47m2 stops
$253WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
WestJet Logo
8:00 pm - 5:34 pmYXU-LAS
24h 34m1 stop
WestJet Logo
6:20 pm - 5:12 amLAS-YXU
7h 52m1 stop
$254WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
6:20 pm - 5:12 amLAS-YXU
7h 52m1 stop
$255WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
Air Canada Logo
9:25 am - 8:49 pmYXU-LAS
14h 24m2 stops
Air Canada Logo
11:30 pm - 8:46 amLAS-YXU
6h 16m1 stop
$310Air Canada
Find Deal
Mon, Feb 23 - Fri, Feb 27
Air Canada Logo
5:40 pm - 10:31 pmYXU-LAS
7h 51m1 stop
Air Canada Logo
11:30 pm - 8:46 amLAS-YXU
6h 16m1 stop
$312Air Canada
Find Deal
Mon, Feb 23 - Fri, Feb 27
United Airlines Logo
6:15 am - 9:57 pmYXU-LAS
18h 42m2 stops
United Airlines Logo
6:22 pm - 3:02 pmLAS-YXU
17h 40m3 stops
$343United Airlines
Find Deal
Sun, Oct 12 - Fri, Oct 17
United Airlines Logo
5:40 pm - 9:39 amYXU-LAS
18h 59m2 stops
United Airlines Logo
12:59 am - 5:06 pmLAS-YXU
13h 07m2 stops
$376United Airlines
Find Deal
Mon, Oct 27 - Thu, Oct 30
Multiple Airlines Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m3 stops
Multiple Airlines Logo
7:30 pm - 5:12 amLAS-YXU
30h 42m3 stops
$408Multiple Airlines
Find Deal
Sun, Oct 12 - Fri, Oct 17
Multiple Airlines Logo
8:00 pm - 8:21 pmYXU-LAS
27h 21m2 stops
Multiple Airlines Logo
7:30 pm - 5:12 amLAS-YXU
30h 42m3 stops
$422Multiple Airlines
Find Deal
Tue, Oct 14 - Fri, Oct 17

United Airlines flights from London, Ontario to Las Vegas

Our best United Airlines deals on London, Ontario to Las Vegas flight tickets
United Airlines
Oct 12
YXU6:15 amLondon
18h 42m
2 stops
LAS9:57 pmLas Vegas Harry Reid Intl
Oct 17
LAS6:22 pmLas Vegas Harry Reid Intl
17h 40m
3 stops
YXU3:02 pmLondon
$343
Find similar
United Airlines
Oct 27
YXU5:40 pmLondon
18h 59m
2 stops
LAS9:39 amLas Vegas Harry Reid Intl
Oct 30
LAS12:59 amLas Vegas Harry Reid Intl
13h 07m
2 stops
YXU5:06 pmLondon
$376
Find similar
United Airlines
Mar 1
YXU5:45 amLondon
15h 09m
2 stops
LAS5:54 pmLas Vegas Harry Reid Intl
Mar 4
LAS12:30 amLas Vegas Harry Reid Intl
13h 35m
2 stops
YXU5:05 pmLondon
$377
Find similar

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
Oct 12
YXU6:00 amLondon
17h 21m
2 stops
LAS8:21 pmLas Vegas Harry Reid Intl
Oct 17
LAS6:20 pmLas Vegas Harry Reid Intl
7h 52m
1 stop
YXU5:12 amLondon
$249
Find similar
WestJet
Oct 12
YXU6:00 amLondon
17h 21m
2 stops
LAS8:21 pmLas Vegas Harry Reid Intl
Oct 17
LAS1:25 pmLas Vegas Harry Reid Intl
12h 47m
2 stops
YXU5:12 amLondon
$253
Find similar
WestJet
Oct 12
YXU8:00 pmLondon
24h 34m
1 stop
LAS5:34 pmLas Vegas Harry Reid Intl
Oct 17
LAS6:20 pmLas Vegas Harry Reid Intl
7h 52m
1 stop
YXU5:12 amLondon
$254
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 832,500 searches. Data last updated September 17, 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 10/12

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

6:20 pm-5:12 am

1 stop7h 52m

$249

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

1:25 pm-5:12 am

2 stops12h 47m

$253

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

8:00 pm-5:34 pm

1 stop24h 34m

Las Vegas Harry Reid Intl

Fri 10/17

6:20 pm-5:12 am

1 stop7h 52m

$254

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

6:20 pm-5:12 am

1 stop7h 52m

$255

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 2/23

9:25 am-8:49 pm

2 stops14h 24m

Las Vegas Harry Reid Intl

Fri 2/27

11:30 pm-8:46 am

1 stop6h 16m

$310

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 2/23

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 2/27

11:30 pm-8:46 am

1 stop6h 16m

$312

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:15 am-9:57 pm

2 stops18h 42m

Las Vegas Harry Reid Intl

Fri 10/17

6:22 pm-3:02 pm

3 stops17h 40m

$343

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 10/27

5:40 pm-9:39 am

2 stops18h 59m

Las Vegas Harry Reid Intl

Thu 10/30

12:59 am-5:06 pm

2 stops13h 07m

$376

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:00 am-8:21 pm

3 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

7:30 pm-5:12 am

3 stops30h 42m

$408

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 10/14

8:00 pm-8:21 pm

2 stops27h 21m

Las Vegas Harry Reid Intl

Fri 10/17

7:30 pm-5:12 am

3 stops30h 42m

$422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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?

The month of February is, on average, the cheapest month to fly to Las Vegas from London, Ontario, with most prices found around $316. The month of June is another great option to travel to Las Vegas, with average flight prices from London, Ontario averaging around $321.

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

Our data shows that Friday is the least expensive day to fly to Las Vegas. Tickets to fly out on this day can be as low as $407. Flights from London, Ontario to Las Vegas on a Thursday will generally be more expensive and average around $495. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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 morning when flights can be purchased for as low as $424. Flights to Las Vegas are more costly at noon, with an average ticket price of $501. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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 $380 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 $305 on momondo.

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 1850.8 mi apart from one another. In terms of flight time, this usually takes a little over 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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Las Vegas Harry Reid Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • 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
Air CanadaPriceFrom $245Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Traveling to a place near Las Vegas?

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

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Las Vegas. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for London to Las Vegas flights to just show those with flexible booking policies.

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

Once all potential London to Las Vegas flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of London to Las Vegas flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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