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Cheap flights from London, Ontario to Las Vegas from $172

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 9/10. 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 - 9:29 pmYXU-LAS
18h 29m1 stop
WestJet Logo
1:25 pm - 5:12 amLAS-YXU
12h 47m2 stops
$350WestJet
Find Deal
Sat, Sep 20 - Mon, Sep 22
WestJet Logo
6:00 am - 5:34 pmYXU-LAS
14h 34m1 stop
WestJet Logo
8:00 am - 7:07 pmLAS-YXU
8h 07m1 stop
$354WestJet
Find Deal
Sat, Sep 20 - Mon, Sep 22
WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
1:25 pm - 5:12 amLAS-YXU
12h 47m2 stops
$358WestJet
Find Deal
Sat, Sep 20 - Mon, Sep 22
WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
1:25 pm - 5:12 amLAS-YXU
12h 47m2 stops
$359WestJet
Find Deal
Fri, Oct 3 - Mon, Oct 6
United Airlines Logo
6:10 am - 2:38 pmYXU-LAS
11h 28m3 stops
United Airlines Logo
6:28 pm - 9:19 amLAS-YXU
11h 51m2 stops
$438United Airlines
Find Deal
Sat, Sep 20 - Mon, Sep 22
United Airlines Logo
3:50 pm - 11:54 pmYXU-LAS
11h 04m2 stops
United Airlines Logo
12:59 am - 3:17 pmLAS-YXU
11h 18m2 stops
$439United Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
Logo
6:00 am - 9:29 pmYXU-LAS
18h 29m1 stop
Logo
12:42 am - 7:07 pmLAS-YXU
15h 25m2 stops
$472
Find Deal
Fri, Oct 3 - Sun, Oct 5
Logo
6:00 am - 9:29 pmYXU-LAS
18h 29m1 stop
Logo
12:42 am - 7:07 pmLAS-YXU
15h 25m2 stops
$508
Find Deal
Sat, Sep 20 - Sun, Sep 21
Air Canada Logo
3:40 pm - 9:59 pmYXU-LAS
9h 19m2 stops
Air Canada Logo
11:43 pm - 3:02 pmLAS-YXU
12h 19m2 stops
$620Air Canada
Find Deal
Fri, Aug 15 - Mon, Aug 18
Air Canada Logo
3:40 pm - 9:59 pmYXU-LAS
9h 19m2 stops
Air Canada Logo
7:15 pm - 9:17 amLAS-YXU
11h 02m2 stops
$622Air Canada
Find Deal
Fri, Aug 15 - Mon, Aug 18

United Airlines flights from London, Ontario to Las Vegas

Our best United Airlines deals on London, Ontario to Las Vegas flight tickets
United Airlines
Sep 20
YXU6:10 amLondon
11h 28m
3 stops
LAS2:38 pmLas Vegas Harry Reid Intl
Sep 22
LAS6:28 pmLas Vegas Harry Reid Intl
11h 51m
2 stops
YXU9:19 amLondon
$438
Find similar
United Airlines
Sep 18
YXU3:50 pmLondon
11h 04m
2 stops
LAS11:54 pmLas Vegas Harry Reid Intl
Sep 21
LAS12:59 amLas Vegas Harry Reid Intl
11h 18m
2 stops
YXU3:17 pmLondon
$439
Find similar
United Airlines
Sep 18
YXU3:50 pmLondon
11h 54m
2 stops
LAS12:44 amLas Vegas Harry Reid Intl
Sep 21
LAS12:59 amLas Vegas Harry Reid Intl
11h 18m
2 stops
YXU3:17 pmLondon
$440
Find similar

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
Sep 20
YXU6:00 amLondon
18h 29m
1 stop
LAS9:29 pmLas Vegas Harry Reid Intl
Sep 22
LAS1:25 pmLas Vegas Harry Reid Intl
12h 47m
2 stops
YXU5:12 amLondon
$350
Find similar
WestJet
Sep 20
YXU6:00 amLondon
14h 34m
1 stop
LAS5:34 pmLas Vegas Harry Reid Intl
Sep 22
LAS8:00 amLas Vegas Harry Reid Intl
8h 07m
1 stop
YXU7:07 pmLondon
$354
Find similar
WestJet
Sep 20
YXU6:00 amLondon
17h 21m
2 stops
LAS8:21 pmLas Vegas Harry Reid Intl
Sep 22
LAS1:25 pmLas Vegas Harry Reid Intl
12h 47m
2 stops
YXU5:12 amLondon
$358
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 July 31, 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

Sat 9/20

6:00 am-9:29 pm

1 stop18h 29m

Las Vegas Harry Reid Intl

Mon 9/22

1:25 pm-5:12 am

2 stops12h 47m

$350

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 9/20

6:00 am-5:34 pm

1 stop14h 34m

Las Vegas Harry Reid Intl

Mon 9/22

8:00 am-7:07 pm

1 stop8h 07m

$354

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 9/20

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Mon 9/22

1:25 pm-5:12 am

2 stops12h 47m

$358

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 10/3

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Mon 10/6

1:25 pm-5:12 am

2 stops12h 47m

$359

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 9/20

6:10 am-2:38 pm

3 stops11h 28m

Las Vegas Harry Reid Intl

Mon 9/22

6:28 pm-9:19 am

2 stops11h 51m

$438

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 9/18

3:50 pm-11:54 pm

2 stops11h 04m

Las Vegas Harry Reid Intl

Sun 9/21

12:59 am-3:17 pm

2 stops11h 18m

$439

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 10/3

6:00 am-9:29 pm

1 stop18h 29m

Las Vegas Harry Reid Intl

Sun 10/5

12:42 am-7:07 pm

2 stops15h 25m

$472

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 9/20

6:00 am-9:29 pm

1 stop18h 29m

Las Vegas Harry Reid Intl

Sun 9/21

12:42 am-7:07 pm

2 stops15h 25m

$508

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 8/15

3:40 pm-9:59 pm

2 stops9h 19m

Las Vegas Harry Reid Intl

Mon 8/18

11:43 pm-3:02 pm

2 stops12h 19m

$620

LondonLas Vegas

YXU - LAS

YXULAS

London

Fri 8/15

3:40 pm-9:59 pm

2 stops9h 19m

Las Vegas Harry Reid Intl

Mon 8/18

7:15 pm-9:17 am

2 stops11h 02m

$622

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 June is, on average, the cheapest month to fly to Las Vegas from London, Ontario, with most prices found around $321. The month of February is another great option to travel to Las Vegas, with average flight prices from London, Ontario averaging around $323.

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 $400 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

Best Price Found

$172

Fastest flight time

7h 20m

Direct flights

None

Airports in Las Vegas

1 airport
The best one-way flight to Las Vegas from London, Ontario in the past 72 hours is $172. The best round-trip flight deal from London, Ontario to Las Vegas found on momondo in the last 72 hours is $350.
The fastest flight from London, Ontario to Las Vegas takes 7h 20m
There are no direct flights from London, Ontario to Las Vegas. Popular non-direct route for this connection is London Airport - Las Vegas Harry Reid Intl Airport.
There is 1 airport near Las Vegas: Las Vegas Harry Reid Intl (LAS)
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 20m.

  • 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
9,851 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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