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Cheap flights from London, Ontario to Las Vegas from $168

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 3/15. 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.
WestJet Logo
6:15 am - 3:45 pm
YXU
-
LAS
12h 30m
2 stops
WestJet Logo
1:20 pm - 5:25 am
LAS
-
YXU
13h 05m
2 stops
$299WestJet
Wed, May 6 - Wed, May 13
WestJet Logo
6:15 am - 3:45 pm
YXU
-
LAS
12h 30m
2 stops
WestJet Logo
6:10 pm - 5:25 am
LAS
-
YXU
8h 15m
1 stop
$301WestJet
Wed, May 6 - Wed, May 13
WestJet Logo
6:15 am - 3:45 pm
YXU
-
LAS
12h 30m
2 stops
WestJet Logo
6:10 pm - 5:25 am
LAS
-
YXU
8h 15m
1 stop
$303WestJet
Mon, May 11 - Fri, May 15
Air Canada Logo
6:10 pm - 10:29 pm
YXU
-
LAS
7h 19m
1 stop
Air Canada Logo
11:30 pm - 11:43 am
LAS
-
YXU
9h 13m
1 stop
$311Air Canada
Wed, May 6 - Wed, May 13
Air Canada Logo
5:10 am - 3:59 pm
YXU
-
LAS
13h 49m
2 stops
Air Canada Logo
11:30 pm - 8:46 am
LAS
-
YXU
6h 16m
1 stop
$325Air Canada
Mon, Mar 9 - Fri, Mar 13
WestJet Logo
8:10 pm - 6:39 pm
YXU
-
LAS
25h 29m
2 stops
WestJet Logo
1:10 pm - 6:35 am
LAS
-
YXU
14h 25m
2 stops
$330WestJet
Thu, Feb 26 - Thu, Mar 5
WestJet Logo
6:15 am - 5:15 pm
YXU
-
LAS
14h 00m
1 stop
WestJet Logo
6:10 pm - 5:25 am
LAS
-
YXU
8h 15m
1 stop
$336WestJet
Mon, May 11 - Fri, May 15
WestJet Logo
6:15 am - 3:45 pm
YXU
-
LAS
12h 30m
2 stops
WestJet Logo
4:35 pm - 5:25 am
LAS
-
YXU
33h 50m
2 stops
$337WestJet
Mon, May 11 - Fri, May 15
Multiple Airlines Logo
8:10 pm - 9:33 pm
YXU
-
LAS
28h 23m
1 stop
Multiple Airlines Logo
11:25 pm - 6:35 am
LAS
-
YXU
52h 10m
2 stops
$385Multiple Airlines
Sun, Mar 15 - Sun, Mar 22
Air Canada Logo
5:10 am - 3:59 pm
YXU
-
LAS
13h 49m
2 stops
Air Canada Logo
11:59 pm - 9:21 pm
LAS
-
YXU
18h 22m
2 stops
$387Air Canada
Mon, Mar 9 - Fri, Mar 13

United Airlines flights from London, Ontario to Las Vegas

Our best United Airlines deals on London, Ontario to Las Vegas flight tickets
United Airlines
May 15
YXU9:30 amLondon
17h 01m
2 stops
LAS11:31 pmLas Vegas Harry Reid Intl
May 18
LAS11:59 pmLas Vegas Harry Reid Intl
18h 39m
2 stops
YXU9:38 pmLondon
$432
United Airlines
May 11
YXU9:30 amLondon
11h 58m
2 stops
LAS6:28 pmLas Vegas Harry Reid Intl
May 15
LAS6:00 amLas Vegas Harry Reid Intl
12h 38m
3 stops
YXU9:38 pmLondon
$700
United Airlines
Feb 6
YXU5:10 amLondon
11h 22m
2 stops
LAS1:32 pmLas Vegas Harry Reid Intl
Feb 13
LAS11:59 pmLas Vegas Harry Reid Intl
14h 06m
2 stops
YXU5:05 pmLondon
$730

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
May 6
YXU6:15 amLondon
12h 30m
2 stops
LAS3:45 pmLas Vegas Harry Reid Intl
May 13
LAS1:20 pmLas Vegas Harry Reid Intl
13h 05m
2 stops
YXU5:25 amLondon
$299
WestJet
May 6
YXU6:15 amLondon
12h 30m
2 stops
LAS3:45 pmLas Vegas Harry Reid Intl
May 13
LAS6:10 pmLas Vegas Harry Reid Intl
8h 15m
1 stop
YXU5:25 amLondon
$301
WestJet
May 11
YXU6:15 amLondon
12h 30m
2 stops
LAS3:45 pmLas Vegas Harry Reid Intl
May 15
LAS6:10 pmLas Vegas Harry Reid Intl
8h 15m
1 stop
YXU5:25 amLondon
$303

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 January 31, 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

Wed 5/6

6:15 am-3:45 pm

2 stops12h 30m

Las Vegas Harry Reid Intl

Wed 5/13

1:20 pm-5:25 am

2 stops13h 05m

$299

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 5/6

6:15 am-3:45 pm

2 stops12h 30m

Las Vegas Harry Reid Intl

Wed 5/13

6:10 pm-5:25 am

1 stop8h 15m

$301

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 5/11

6:15 am-3:45 pm

2 stops12h 30m

Las Vegas Harry Reid Intl

Fri 5/15

6:10 pm-5:25 am

1 stop8h 15m

$303

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 5/6

6:10 pm-10:29 pm

1 stop7h 19m

Las Vegas Harry Reid Intl

Wed 5/13

11:30 pm-11:43 am

1 stop9h 13m

$311

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 3/9

5:10 am-3:59 pm

2 stops13h 49m

Las Vegas Harry Reid Intl

Fri 3/13

11:30 pm-8:46 am

1 stop6h 16m

$325

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 2/26

8:10 pm-6:39 pm

2 stops25h 29m

Las Vegas Harry Reid Intl

Thu 3/5

1:10 pm-6:35 am

2 stops14h 25m

$330

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 5/11

6:15 am-5:15 pm

1 stop14h 00m

Las Vegas Harry Reid Intl

Fri 5/15

6:10 pm-5:25 am

1 stop8h 15m

$336

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 5/11

6:15 am-3:45 pm

2 stops12h 30m

Las Vegas Harry Reid Intl

Fri 5/15

4:35 pm-5:25 am

2 stops33h 50m

$337

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 3/15

8:10 pm-9:33 pm

1 stop28h 23m

Las Vegas Harry Reid Intl

Sun 3/22

11:25 pm-6:35 am

2 stops52h 10m

$385

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 3/9

5:10 am-3:59 pm

2 stops13h 49m

Las Vegas Harry Reid Intl

Fri 3/13

11:59 pm-9:21 pm

2 stops18h 22m

$387

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 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 $263. The month of September is another great option to travel to Las Vegas, with average flight prices from London, Ontario averaging around $292.

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 $349 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 $275 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

Fastest flight time

11h 22m

Direct flights

None
The fastest flight from London, Ontario to Las Vegas takes 11h 22m
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 11h 22m.

  • 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
Henderson
Paradise
Mesquite
North Las Vegas
Kingman
Pahrump
Primm
Furnace Creek
Boulder City
Sunrise Manor
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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