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Cheap flights from London, Ontario to California from $158

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 California departing on 10/4. 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 California

Cheap round-trip flights

WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
6:20 pm - 5:12 amLAS-YXU
7h 52m1 stop
$249WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
1:25 pm - 5:12 amLAS-YXU
12h 47m2 stops
$253WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
WestJet Logo
8:00 pm - 5:34 pmYXU-LAS
24h 34m1 stop
WestJet Logo
6:20 pm - 5:12 amLAS-YXU
7h 52m1 stop
$254WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
WestJet Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m2 stops
WestJet Logo
6:20 pm - 5:12 amLAS-YXU
7h 52m1 stop
$255WestJet
Find Deal
Sun, Oct 12 - Fri, Oct 17
Air Canada Logo
9:25 am - 8:49 pmYXU-LAS
14h 24m2 stops
Air Canada Logo
11:30 pm - 8:46 amLAS-YXU
6h 16m1 stop
$310Air Canada
Find Deal
Mon, Feb 23 - Fri, Feb 27
Air Canada Logo
5:40 pm - 10:31 pmYXU-LAS
7h 51m1 stop
Air Canada Logo
11:30 pm - 8:46 amLAS-YXU
6h 16m1 stop
$312Air Canada
Find Deal
Mon, Feb 23 - Fri, Feb 27
United Airlines Logo
6:15 am - 9:57 pmYXU-LAS
18h 42m2 stops
United Airlines Logo
6:22 pm - 3:02 pmLAS-YXU
17h 40m3 stops
$343United Airlines
Find Deal
Sun, Oct 12 - Fri, Oct 17
United Airlines Logo
9:25 am - 3:17 pmYXU-LAX
8h 52m1 stop
United Airlines Logo
12:30 am - 9:21 pmLAX-YXU
17h 51m2 stops
$358United Airlines
Find Deal
Fri, Jan 16 - Sat, Jan 24
Multiple Airlines Logo
8:10 pm - 11:00 amYXU-LAX
17h 50m2 stops
Multiple Airlines Logo
10:50 am - 7:12 pmLAX-YXU
29h 22m3 stops
$384Multiple Airlines
Find Deal
Fri, Nov 14 - Mon, Dec 1
Multiple Airlines Logo
6:00 am - 8:21 pmYXU-LAS
17h 21m3 stops
Multiple Airlines Logo
7:30 pm - 5:12 amLAS-YXU
30h 42m3 stops
$408Multiple Airlines
Find Deal
Sun, Oct 12 - Fri, Oct 17

Air Canada flights from London, Ontario to California

Our best Air Canada deals on London, Ontario to California flight tickets
Air Canada
Feb 23
YXU9:25 amLondon
14h 24m
2 stops
LAS8:49 pmLas Vegas Harry Reid Intl
Feb 27
LAS11:30 pmLas Vegas Harry Reid Intl
6h 16m
1 stop
YXU8:46 amLondon
$310
Find similar
Air Canada
Feb 23
YXU5:40 pmLondon
7h 51m
1 stop
LAS10:31 pmLas Vegas Harry Reid Intl
Feb 27
LAS11:30 pmLas Vegas Harry Reid Intl
6h 16m
1 stop
YXU8:46 amLondon
$312
Find similar
Air Canada
Jan 16
YXU9:25 amLondon
8h 52m
1 stop
LAX3:17 pmLos Angeles
Feb 18
LAX10:55 pmLos Angeles
6h 51m
1 stop
YXU8:46 amLondon
$327
Find similar

United Airlines flights from London, Ontario to California

Our best United Airlines deals on London, Ontario to California flight tickets
United Airlines
Oct 12
YXU6:15 amLondon
18h 42m
2 stops
LAS9:57 pmLas Vegas Harry Reid Intl
Oct 17
LAS6:22 pmLas Vegas Harry Reid Intl
17h 40m
3 stops
YXU3:02 pmLondon
$343
Find similar
United Airlines
Jan 16
YXU9:25 amLondon
8h 52m
1 stop
LAX3:17 pmLos Angeles
Jan 24
LAX12:30 amLos Angeles
17h 51m
2 stops
YXU9:21 pmLondon
$358
Find similar
United Airlines
Jan 16
YXU5:40 pmLondon
10h 19m
2 stops
LAX12:59 amLos Angeles
Jan 24
LAX12:30 amLos Angeles
13h 35m
2 stops
YXU5:05 pmLondon
$364
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to California 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 September 17, 2025.
Use the filters below to find and compare flights from London, Ontario to California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

6:20 pm-5:12 am

1 stop7h 52m

$249

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

1:25 pm-5:12 am

2 stops12h 47m

$253

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

8:00 pm-5:34 pm

1 stop24h 34m

Las Vegas Harry Reid Intl

Fri 10/17

6:20 pm-5:12 am

1 stop7h 52m

$254

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:00 am-8:21 pm

2 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

6:20 pm-5:12 am

1 stop7h 52m

$255

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 2/23

9:25 am-8:49 pm

2 stops14h 24m

Las Vegas Harry Reid Intl

Fri 2/27

11:30 pm-8:46 am

1 stop6h 16m

$310

LondonLas Vegas

YXU - LAS

YXULAS

London

Mon 2/23

5:40 pm-10:31 pm

1 stop7h 51m

Las Vegas Harry Reid Intl

Fri 2/27

11:30 pm-8:46 am

1 stop6h 16m

$312

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:15 am-9:57 pm

2 stops18h 42m

Las Vegas Harry Reid Intl

Fri 10/17

6:22 pm-3:02 pm

3 stops17h 40m

$343

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 1/16

9:25 am-3:17 pm

1 stop8h 52m

Los Angeles

Sat 1/24

12:30 am-9:21 pm

2 stops17h 51m

$358

LondonLos Angeles

YXU - LAX

YXULAX

London

Fri 11/14

8:10 pm-11:00 am

2 stops17h 50m

Los Angeles

Mon 12/1

10:50 am-7:12 pm

3 stops29h 22m

$384

LondonLas Vegas

YXU - LAS

YXULAS

London

Sun 10/12

6:00 am-8:21 pm

3 stops17h 21m

Las Vegas Harry Reid Intl

Fri 10/17

7:30 pm-5:12 am

3 stops30h 42m

$408

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 California from

How to get the cheapest flight ticket from London, Ontario to California

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 California?

The month of July is another great option to travel to California, with average flight prices from London, Ontario averaging around $260.

Can stopping save me money on London, Ontario to California flights?

You could potentially save up to 9% on your flight if you consider stops on a London, Ontario to California flight.

Cheap London, Ontario to California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to California

Direct flights

None
There are no direct flights from London, Ontario to California. There are no popular flight routes from London, Ontario to California.
Search flight deals

  • When did momondo last update prices for flights from London Airport to California?

    Prices for flights from London Airport to California were last updated today.

  • How many operators does momondo search for flights from London Airport to California?

  • How old do you have to be to fly from London Airport to California?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to California.

  • What documentation or ID do you need to fly to California?

    The travel and health documents required for your trip to California can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at California. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London, Ontario to California

Compare and see reviews for airlines that fly from London, Ontario to California with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $222Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from London to California?

It is quick and easy to find London to California flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to California that suits you.

Can I find flights from London to California with flexible booking policies on momondo?

All flight searches from London to California on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to California?

momondo helps you find the best flight between London and California by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to California right now. Can momondo alert me if prices change?

Price alerts on flights to California from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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