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Cheap flights from London, Ontario to Las Vegas from $190

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 9/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
6:10 am - 12:55 pm
YXU
-
LAS
9h 45m
1 stop
WestJet Logo
4:30 pm - 5:20 am
LAS
-
YXU
9h 50m
1 stop
$359WestJet
Mon, Oct 19 - Fri, Oct 23
WestJet Logo
6:10 am - 12:55 pm
YXU
-
LAS
9h 45m
1 stop
WestJet Logo
1:20 pm - 5:20 am
LAS
-
YXU
13h 00m
2 stops
$386WestJet
Mon, Oct 19 - Fri, Oct 23
WestJet Logo
6:10 am - 12:55 pm
YXU
-
LAS
9h 45m
1 stop
WestJet Logo
8:00 am - 7:15 pm
LAS
-
YXU
8h 15m
1 stop
$396WestJet
Tue, Oct 20 - Wed, Oct 28
WestJet Logo
6:10 am - 12:55 pm
YXU
-
LAS
9h 45m
1 stop
WestJet Logo
1:10 pm - 7:15 pm
LAS
-
YXU
27h 05m
2 stops
$410WestJet
Tue, Oct 20 - Wed, Oct 28
WestJet Logo
2:40 pm - 9:40 pm
YXU
-
LAS
10h 00m
2 stops
WestJet Logo
6:10 pm - 5:20 am
LAS
-
YXU
8h 10m
1 stop
$417WestJet
Sun, Aug 30 - Wed, Sep 2
WestJet Logo
2:40 pm - 9:40 pm
YXU
-
LAS
10h 00m
2 stops
WestJet Logo
1:20 pm - 5:20 am
LAS
-
YXU
13h 00m
2 stops
$455WestJet
Sun, Aug 30 - Wed, Sep 2
WestJet Logo
6:10 am - 3:30 pm
YXU
-
LAS
12h 20m
1 stop
WestJet Logo
8:00 am - 7:15 pm
LAS
-
YXU
8h 15m
1 stop
$460WestJet
Thu, Oct 22 - Thu, Oct 29
WestJet Logo
6:10 am - 3:30 pm
YXU
-
LAS
12h 20m
1 stop
WestJet Logo
9:15 pm - 7:15 pm
LAS
-
YXU
19h 00m
2 stops
$480WestJet
Thu, Oct 22 - Thu, Oct 29
WestJet Logo
6:10 am - 3:45 pm
YXU
-
LAS
12h 35m
2 stops
WestJet Logo
4:15 pm - 5:20 am
LAS
-
YXU
10h 05m
2 stops
$484WestJet
Mon, Oct 19 - Fri, Oct 23
WestJet Logo
6:10 am - 12:55 pm
YXU
-
LAS
9h 45m
1 stop
WestJet Logo
6:10 pm - 5:20 am
LAS
-
YXU
8h 10m
1 stop
$510WestJet
Sun, Oct 11 - Thu, Oct 15

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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 11
YXU10:05 amLondon
13h 25m
2 stops
LAS8:30 pmLas Vegas Harry Reid Intl
Oct 15
LAS8:19 amLas Vegas Harry Reid Intl
10h 21m
2 stops
YXU9:40 pmLondon
$614
United Airlines
Oct 11
YXU10:05 amLondon
15h 08m
2 stops
LAS10:13 pmLas Vegas Harry Reid Intl
Oct 15
LAS5:45 amLas Vegas Harry Reid Intl
12h 55m
2 stops
YXU9:40 pmLondon
$615
United Airlines
Sep 12
YXU5:40 amLondon
16h 03m
3 stops
LAS6:43 pmLas Vegas Harry Reid Intl
Sep 19
LAS5:20 amLas Vegas Harry Reid Intl
9h 23m
2 stops
YXU5:43 pmLondon
$687

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
Oct 19
YXU6:10 amLondon
9h 45m
1 stop
LAS12:55 pmLas Vegas Harry Reid Intl
Oct 23
LAS4:30 pmLas Vegas Harry Reid Intl
9h 50m
1 stop
YXU5:20 amLondon
$359
WestJet
Oct 19
YXU6:10 amLondon
9h 45m
1 stop
LAS12:55 pmLas Vegas Harry Reid Intl
Oct 23
LAS1:20 pmLas Vegas Harry Reid Intl
13h 00m
2 stops
YXU5:20 amLondon
$386
WestJet
Oct 20
YXU6:10 amLondon
9h 45m
1 stop
LAS12:55 pmLas Vegas Harry Reid Intl
Oct 28
LAS8:00 amLas Vegas Harry Reid Intl
8h 15m
1 stop
YXU7:15 pmLondon
$396

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 August 2, 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

Cheapest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 10/19

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Fri 10/23

4:30 pm-5:20 am

1 stop9h 50m

$359

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 10/19

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Fri 10/23

1:20 pm-5:20 am

2 stops13h 00m

$386

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 10/20

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Wed 10/28

8:00 am-7:15 pm

1 stop8h 15m

$396

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 10/20

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Wed 10/28

1:10 pm-7:15 pm

2 stops27h 05m

$410

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 8/30

2:40 pm-9:40 pm

2 stops10h 00m

Las Vegas Harry Reid Intl

Wed 9/2

6:10 pm-5:20 am

1 stop8h 10m

$417

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 8/30

2:40 pm-9:40 pm

2 stops10h 00m

Las Vegas Harry Reid Intl

Wed 9/2

1:20 pm-5:20 am

2 stops13h 00m

$455

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 10/22

6:10 am-3:30 pm

1 stop12h 20m

Las Vegas Harry Reid Intl

Thu 10/29

8:00 am-7:15 pm

1 stop8h 15m

$460

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 10/22

6:10 am-3:30 pm

1 stop12h 20m

Las Vegas Harry Reid Intl

Thu 10/29

9:15 pm-7:15 pm

2 stops19h 00m

$480

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 10/19

6:10 am-3:45 pm

2 stops12h 35m

Las Vegas Harry Reid Intl

Fri 10/23

4:15 pm-5:20 am

2 stops10h 05m

$484
Quickest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/11

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Thu 10/15

6:10 pm-5:20 am

1 stop8h 10m

$510

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

Prices are currently low for flights on this route.

Typical prices usually range from $493 to $565.
The lowest price recently found on this route was $359.

What is the cheapest month to fly to Las Vegas?

The month of May is, on average, the cheapest month to fly to Las Vegas from London, Ontario, with most prices found around $0. The month of March is another great option to travel to Las Vegas, with average flight prices from London, Ontario averaging around $0.

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

12h 35m

Direct flights

None
The fastest flight from London, Ontario to Las Vegas takes 12h 35m
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

Frequently asked questions about flying from London, Ontario to Las Vegas

  • 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 12h 35m.

  • 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 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.

Traveling to a place near Las Vegas?

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