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Cheap flights from London, Ontario to Las Vegas from $177

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 1/30. 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
8:10 pm - 9:31 pm
YXU
-
LAS
28h 21m1 stop
WestJet Logo
1:10 pm - 6:34 am
LAS
-
YXU
14h 24m2 stops
$342WestJet
Mon, Jan 12 - Thu, Jan 15
WestJet Logo
8:10 pm - 9:31 pm
YXU
-
LAS
28h 21m1 stop
WestJet Logo
8:00 am - 6:34 am
LAS
-
YXU
19h 34m1 stop
$345WestJet
Wed, Jan 14 - Tue, Jan 20
Multiple Airlines Logo
8:10 pm - 9:31 pm
YXU
-
LAS
28h 21m1 stop
Multiple Airlines Logo
3:46 pm - 6:34 am
LAS
-
YXU
11h 48m2 stops
$348Multiple Airlines
Wed, Jan 14 - Tue, Jan 20
WestJet Logo
8:10 pm - 6:11 pm
YXU
-
LAS
25h 01m1 stop
WestJet Logo
7:05 pm - 6:34 am
LAS
-
YXU
8h 29m1 stop
$357WestJet
Mon, Jan 12 - Thu, Jan 15
Air Canada Logo
5:40 pm - 10:31 pm
YXU
-
LAS
7h 51m1 stop
Air Canada Logo
6:44 pm - 5:05 pm
LAS
-
YXU
19h 21m2 stops
$392Air Canada
Mon, Jan 12 - Thu, Jan 15
United Airlines Logo
5:10 am - 6:29 pm
YXU
-
LAS
16h 19m2 stops
United Airlines Logo
5:20 am - 5:05 pm
LAS
-
YXU
8h 45m2 stops
$398United Airlines
Mon, Jan 12 - Thu, Jan 15
United Airlines Logo
5:10 am - 7:02 pm
YXU
-
LAS
16h 52m2 stops
United Airlines Logo
5:20 am - 5:05 pm
LAS
-
YXU
8h 45m2 stops
$405United Airlines
Wed, Jan 14 - Tue, Jan 20
United Airlines Logo
5:10 am - 6:29 pm
YXU
-
LAS
16h 19m2 stops
United Airlines Logo
12:59 am - 5:05 pm
LAS
-
YXU
13h 06m2 stops
$406United Airlines
Mon, Jan 12 - Wed, Jan 14
United Airlines Logo
5:10 am - 7:20 pm
YXU
-
LAS
17h 10m2 stops
United Airlines Logo
5:20 am - 9:21 pm
LAS
-
YXU
13h 01m2 stops
$414United Airlines
Wed, Feb 18 - Mon, Feb 23
Air Canada Logo
9:50 am - 6:17 pm
YXU
-
LAS
11h 27m2 stops
Air Canada Logo
11:30 pm - 8:46 am
LAS
-
YXU
6h 16m1 stop
$479Air Canada
Sat, Jan 31 - Sat, Feb 7

United Airlines flights from London, Ontario to Las Vegas

Our best United Airlines deals on London, Ontario to Las Vegas flight tickets
United Airlines
Jan 12
YXU5:10 amLondon
16h 19m
2 stops
LAS6:29 pmLas Vegas Harry Reid Intl
Jan 15
LAS5:20 amLas Vegas Harry Reid Intl
8h 45m
2 stops
YXU5:05 pmLondon
$398
Find similar
United Airlines
Jan 14
YXU5:10 amLondon
16h 52m
2 stops
LAS7:02 pmLas Vegas Harry Reid Intl
Jan 20
LAS5:20 amLas Vegas Harry Reid Intl
8h 45m
2 stops
YXU5:05 pmLondon
$405
Find similar
United Airlines
Jan 12
YXU5:10 amLondon
16h 19m
2 stops
LAS6:29 pmLas Vegas Harry Reid Intl
Jan 14
LAS12:59 amLas Vegas Harry Reid Intl
13h 06m
2 stops
YXU5:05 pmLondon
$406
Find similar

WestJet flights from London, Ontario to Las Vegas

Our best WestJet deals on London, Ontario to Las Vegas flight tickets
WestJet
Jan 23
YXU7:30 amLondon
39h 45m
2 stops
LAS8:15 pmLas Vegas Harry Reid Intl
Jan 26
LAS7:05 pmLas Vegas Harry Reid Intl
8h 29m
1 stop
YXU6:34 amLondon
$293
Find similar
WestJet
Jan 12
YXU8:10 pmLondon
28h 21m
1 stop
LAS9:31 pmLas Vegas Harry Reid Intl
Jan 15
LAS1:10 pmLas Vegas Harry Reid Intl
14h 24m
2 stops
YXU6:34 amLondon
$342
Find similar
WestJet
Jan 14
YXU8:10 pmLondon
28h 21m
1 stop
LAS9:31 pmLas Vegas Harry Reid Intl
Jan 20
LAS8:00 amLas Vegas Harry Reid Intl
19h 34m
1 stop
YXU6:34 amLondon
$345
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 December 18, 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

Mon 1/12

8:10 pm-9:31 pm

1 stop28h 21m

Las Vegas Harry Reid Intl

Thu 1/15

1:10 pm-6:34 am

2 stops14h 24m

$342

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 1/14

8:10 pm-9:31 pm

1 stop28h 21m

Las Vegas Harry Reid Intl

Tue 1/20

8:00 am-6:34 am

1 stop19h 34m

$345

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 1/14

8:10 pm-9:31 pm

1 stop28h 21m

Las Vegas Harry Reid Intl

Tue 1/20

3:46 pm-6:34 am

2 stops11h 48m

$348

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 1/12

8:10 pm-6:11 pm

1 stop25h 01m

Las Vegas Harry Reid Intl

Thu 1/15

7:05 pm-6:34 am

1 stop8h 29m

$357

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 1/12

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Thu 1/15

6:44 pm-5:05 pm

2 stops19h 21m

$392

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 1/12

5:10 am-6:29 pm

2 stops16h 19m

Las Vegas Harry Reid Intl

Thu 1/15

5:20 am-5:05 pm

2 stops8h 45m

$398

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 1/14

5:10 am-7:02 pm

2 stops16h 52m

Las Vegas Harry Reid Intl

Tue 1/20

5:20 am-5:05 pm

2 stops8h 45m

$405

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 1/12

5:10 am-6:29 pm

2 stops16h 19m

Las Vegas Harry Reid Intl

Wed 1/14

12:59 am-5:05 pm

2 stops13h 06m

$406

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 2/18

5:10 am-7:20 pm

2 stops17h 10m

Las Vegas Harry Reid Intl

Mon 2/23

5:20 am-9:21 pm

2 stops13h 01m

$414

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 1/31

9:50 am-6:17 pm

2 stops11h 27m

Las Vegas Harry Reid Intl

Sat 2/7

11:30 pm-8:46 am

1 stop6h 16m

$479

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?

What is the cheapest month to fly to Las Vegas?

The month of September is, on average, the cheapest month to fly to Las Vegas from London, Ontario, with most prices found around $295. The month of June is another great option to travel to Las Vegas, with average flight prices from London, Ontario averaging around $304.

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 $366 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 $278 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

7h 51m

Direct flights

None
The fastest flight from London, Ontario to Las Vegas takes 7h 51m
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 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
Mesquite
Paradise
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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