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Cheap flights from London, Ontario to Las Vegas from $241

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 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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
5:55 pm - 9:40 pm
YXU
-
LAS
30h 45m
1 stop
WestJet Logo
6:10 pm - 5:20 am
LAS
-
YXU
8h 10m
1 stop
$410WestJet
Sat, Aug 1 - Wed, Aug 5
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
$421WestJet
Wed, Jul 15 - Wed, Jul 22
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
$426WestJet
Wed, Jul 15 - Wed, Jul 22
WestJet Logo
5:55 pm - 9:40 pm
YXU
-
LAS
30h 45m
1 stop
WestJet Logo
8:30 am - 5:20 am
LAS
-
YXU
17h 50m
1 stop
$443WestJet
Sat, Aug 1 - Sat, Aug 8
WestJet Logo
8:40 pm - 12:30 pm
YXU
-
LAS
18h 50m
2 stops
WestJet Logo
6:10 pm - 5:20 am
LAS
-
YXU
8h 10m
1 stop
$444WestJet
Tue, Aug 11 - Sat, Aug 15
WestJet Logo
6:10 am - 5:15 pm
YXU
-
LAS
14h 05m
1 stop
WestJet Logo
4:35 pm - 7:50 pm
LAS
-
YXU
24h 15m
2 stops
$445WestJet
Sat, Aug 1 - Wed, Aug 5
WestJet Logo
6:10 am - 3:45 pm
YXU
-
LAS
12h 35m
2 stops
WestJet Logo
6:10 pm - 5:20 am
LAS
-
YXU
8h 10m
1 stop
$447WestJet
Mon, Oct 19 - Thu, Oct 22
WestJet Logo
6:10 am - 3:45 pm
YXU
-
LAS
12h 35m
2 stops
WestJet Logo
6:10 pm - 5:20 am
LAS
-
YXU
8h 10m
1 stop
$448WestJet
Mon, Oct 19 - Thu, Oct 22
WestJet Logo
5:55 pm - 3:45 pm
YXU
-
LAS
24h 50m
2 stops
WestJet Logo
4:35 pm - 4:45 pm
LAS
-
YXU
21h 10m
2 stops
$454WestJet
Sat, Aug 1 - Wed, Aug 5
WestJet Logo
6:10 am - 3:45 pm
YXU
-
LAS
12h 35m
2 stops
WestJet Logo
1:20 pm - 5:20 am
LAS
-
YXU
13h 00m
2 stops
$463WestJet
Thu, Aug 20 - Mon, Aug 24

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Air Canada flights from London, Ontario to Las Vegas

Our best Air Canada deals on London, Ontario to Las Vegas flight tickets
Air Canada
Sep 8
YXU6:20 pmLondon
7h 02m
1 stop
LAS10:22 pmLas Vegas Harry Reid Intl
Sep 12
LAS11:25 pmLas Vegas Harry Reid Intl
6h 55m
1 stop
YXU9:20 amLondon
$504
Air Canada
Sep 8
YXU3:30 pmLondon
9h 53m
2 stops
LAS10:23 pmLas Vegas Harry Reid Intl
Sep 12
LAS11:25 pmLas Vegas Harry Reid Intl
6h 55m
1 stop
YXU9:20 amLondon
$512
Air Canada
Aug 11
YXU5:40 amLondon
10h 27m
2 stops
LAS1:07 pmLas Vegas Harry Reid Intl
Aug 15
LAS5:20 amLas Vegas Harry Reid Intl
9h 22m
2 stops
YXU5:42 pmLondon
$542

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 27
YXU10:05 amLondon
13h 03m
2 stops
LAS8:08 pmLas Vegas Harry Reid Intl
Oct 2
LAS11:50 pmLas Vegas Harry Reid Intl
12h 05m
2 stops
YXU2:55 pmLondon
$582
United Airlines
Sep 8
YXU10:05 amLondon
11h 49m
2 stops
LAS6:54 pmLas Vegas Harry Reid Intl
Sep 12
LAS11:50 pmLas Vegas Harry Reid Intl
12h 05m
2 stops
YXU2:55 pmLondon
$583
United Airlines
Aug 1
YXU10:05 amLondon
15h 14m
2 stops
LAS10:19 pmLas Vegas Harry Reid Intl
Aug 7
LAS12:59 amLas Vegas Harry Reid Intl
13h 43m
2 stops
YXU5:42 pmLondon
$603

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 June 20, 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

Sat 8/1

5:55 pm-9:40 pm

1 stop30h 45m

Las Vegas Harry Reid Intl

Wed 8/5

6:10 pm-5:20 am

1 stop8h 10m

$410
Quickest round-trip

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 7/15

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Wed 7/22

6:10 pm-5:20 am

1 stop8h 10m

$421

LondonLas Vegas

YXU - LAS

YXULAS

London

Wed 7/15

6:10 am-12:55 pm

1 stop9h 45m

Las Vegas Harry Reid Intl

Wed 7/22

1:20 pm-5:20 am

2 stops13h 00m

$426

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 8/1

5:55 pm-9:40 pm

1 stop30h 45m

Las Vegas Harry Reid Intl

Sat 8/8

8:30 am-5:20 am

1 stop17h 50m

$443

LondonLas Vegas

YXU - LAS

YXULAS

London

Tue 8/11

8:40 pm-12:30 pm

2 stops18h 50m

Las Vegas Harry Reid Intl

Sat 8/15

6:10 pm-5:20 am

1 stop8h 10m

$444

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 8/1

6:10 am-5:15 pm

1 stop14h 05m

Las Vegas Harry Reid Intl

Wed 8/5

4:35 pm-7:50 pm

2 stops24h 15m

$445

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 10/19

6:10 am-3:45 pm

2 stops12h 35m

Las Vegas Harry Reid Intl

Thu 10/22

6:10 pm-5:20 am

1 stop8h 10m

$447

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 10/19

6:10 am-3:45 pm

2 stops12h 35m

Las Vegas Harry Reid Intl

Thu 10/22

6:10 pm-5:20 am

1 stop8h 10m

$448

LondonLas Vegas

YXU - LAS

YXULAS

London

Sat 8/1

5:55 pm-3:45 pm

2 stops24h 50m

Las Vegas Harry Reid Intl

Wed 8/5

4:35 pm-4:45 pm

2 stops21h 10m

$454

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 8/20

6:10 am-3:45 pm

2 stops12h 35m

Las Vegas Harry Reid Intl

Mon 8/24

1:20 pm-5:20 am

2 stops13h 00m

$463

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 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 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

10h 54m

Direct flights

None
The fastest flight from London, Ontario to Las Vegas takes 10h 54m
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 10h 54m.

  • 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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