Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from London, Ontario to California from $205

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 4/27. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London, Ontario to California

Cheap round-trip flights

Enter your travel dates to find the best prices.
WestJet Logo
6:15 am - 12:00 pm
YXU
-
SFO
8h 45m
1 stop
WestJet Logo
6:05 pm - 5:25 am
SFO
-
YXU
8h 20m
1 stop
$368WestJet
Sun, May 24 - Mon, Jun 8
WestJet Logo
2:35 pm - 9:55 pm
YXU
-
SFO
10h 20m
2 stops
WestJet Logo
6:05 pm - 5:25 am
SFO
-
YXU
8h 20m
1 stop
$374WestJet
Sun, May 24 - Mon, Jun 8
Air Canada Logo
5:10 am - 10:55 am
YXU
-
SFO
8h 45m
1 stop
Air Canada Logo
7:30 pm - 11:43 am
SFO
-
YXU
13h 13m
2 stops
$388Air Canada
Sat, Apr 25 - Sun, May 3
Multiple Airlines Logo
8:10 pm - 10:05 am
YXU
-
LAX
16h 55m
2 stops
Multiple Airlines Logo
11:50 am - 6:35 am
LAX
-
YXU
15h 45m
2 stops
$392Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
WestJet Logo
5:55 pm - 12:00 pm
YXU
-
SFO
21h 05m
1 stop
WestJet Logo
6:05 pm - 5:25 am
SFO
-
YXU
8h 20m
1 stop
$399WestJet
Mon, May 25 - Mon, Jun 8
WestJet Logo
8:10 pm - 12:26 pm
YXU
-
PSP
19h 16m
2 stops
WestJet Logo
6:00 pm - 6:35 am
PSP
-
YXU
9h 35m
1 stop
$403WestJet
Sun, Mar 1 - Wed, Mar 4
Air Canada Logo
5:10 am - 1:59 pm
YXU
-
LAX
11h 49m
2 stops
Air Canada Logo
6:10 pm - 8:46 am
LAX
-
YXU
11h 36m
2 stops
$404Air Canada
Mon, Mar 9 - Thu, Mar 12
United Airlines Logo
6:00 am - 5:30 pm
YXU
-
SNA
14h 30m
2 stops
United Airlines Logo
6:45 am - 9:38 pm
SNA
-
YXU
11h 53m
2 stops
$448United Airlines
Sat, May 23 - Sun, May 24
United Airlines Logo
6:10 pm - 9:05 am
YXU
-
SNA
17h 55m
3 stops
United Airlines Logo
9:27 pm - 11:43 am
SNA
-
YXU
11h 16m
2 stops
$449United Airlines
Sat, May 23 - Sun, May 24
Multiple Airlines Logo
8:10 pm - 11:32 pm
YXU
-
ONT
30h 22m
2 stops
Multiple Airlines Logo
6:14 am - 6:35 am
ONT
-
YXU
21h 21m
2 stops
$614Multiple Airlines
Wed, Mar 4 - Wed, Mar 11

Air Canada flights from London, Ontario to California

Our best Air Canada deals on London, Ontario to California flight tickets
Air Canada
Apr 25
YXU5:10 amLondon
8h 45m
1 stop
SFO10:55 amSan Francisco
May 2
SFO7:30 pmSan Francisco
13h 13m
2 stops
YXU11:43 amLondon
$388
Air Canada
Mar 9
YXU5:10 amLondon
11h 49m
2 stops
LAX1:59 pmLos Angeles
Mar 12
LAX6:10 pmLos Angeles
11h 36m
2 stops
YXU8:46 amLondon
$404
Air Canada
Apr 17
YXU5:10 amLondon
8h 15m
1 stop
LAX10:25 amLos Angeles
Apr 20
LAX10:55 pmLos Angeles
6h 48m
1 stop
YXU8:43 amLondon
$405

WestJet flights from London, Ontario to California

Our best WestJet deals on London, Ontario to California flight tickets
WestJet
May 24
YXU6:15 amLondon
8h 45m
1 stop
SFO12:00 pmSan Francisco
Jun 8
SFO6:05 pmSan Francisco
8h 20m
1 stop
YXU5:25 amLondon
$368
WestJet
May 24
YXU2:35 pmLondon
10h 20m
2 stops
SFO9:55 pmSan Francisco
Jun 8
SFO6:05 pmSan Francisco
8h 20m
1 stop
YXU5:25 amLondon
$374
WestJet
May 25
YXU5:55 pmLondon
21h 05m
1 stop
SFO12:00 pmSan Francisco
Jun 8
SFO6:05 pmSan Francisco
8h 20m
1 stop
YXU5:25 amLondon
$399

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 February 4, 2026.
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

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 5/24

6:15 am-12:00 pm

1 stop8h 45m

San Francisco

Mon 6/8

6:05 pm-5:25 am

1 stop8h 20m

$368

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 5/24

2:35 pm-9:55 pm

2 stops10h 20m

San Francisco

Mon 6/8

6:05 pm-5:25 am

1 stop8h 20m

$374

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sat 4/25

5:10 am-10:55 am

1 stop8h 45m

San Francisco

Sun 5/3

7:30 pm-11:43 am

2 stops13h 13m

$388

LondonLos Angeles

YXU - LAX

YXULAX

London

Tue 3/3

8:10 pm-10:05 am

2 stops16h 55m

Los Angeles

Tue 3/10

11:50 am-6:35 am

2 stops15h 45m

$392

LondonSan Francisco

YXU - SFO

YXUSFO

London

Mon 5/25

5:55 pm-12:00 pm

1 stop21h 05m

San Francisco

Mon 6/8

6:05 pm-5:25 am

1 stop8h 20m

$399

LondonPalm Springs

YXU - PSP

YXUPSP

London

Sun 3/1

8:10 pm-12:26 pm

2 stops19h 16m

Palm Springs

Wed 3/4

6:00 pm-6:35 am

1 stop9h 35m

$403

LondonLos Angeles

YXU - LAX

YXULAX

London

Mon 3/9

5:10 am-1:59 pm

2 stops11h 49m

Los Angeles

Thu 3/12

6:10 pm-8:46 am

2 stops11h 36m

$404

LondonSanta Ana

YXU - SNA

YXUSNA

London

Sat 5/23

6:00 am-5:30 pm

2 stops14h 30m

Santa Ana J. Wayne/Orange Cnty

Sun 5/24

6:45 am-9:38 pm

2 stops11h 53m

$448

LondonSanta Ana

YXU - SNA

YXUSNA

London

Sat 5/23

6:10 pm-9:05 am

3 stops17h 55m

Santa Ana J. Wayne/Orange Cnty

Sun 5/24

9:27 pm-11:43 am

2 stops11h 16m

$449

LondonOntario

YXU - ONT

YXUONT

London

Wed 3/4

8:10 pm-11:32 pm

2 stops30h 22m

Ontario

Wed 3/11

6:14 am-6:35 am

2 stops21h 21m

$614

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $251.

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

You could potentially save up to 6% 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

Fastest flight time

8h 44m

Direct flights

None
The fastest flight from London, Ontario to California takes 8h 44m
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
10,688 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.

An easier way to manage your California trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 3/6
Fri 3/13
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to California

Popular cities in California

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $49
Flights to Los Angelesfrom $46
Flights to Miamifrom $27
Flights to Chicagofrom $50
Flights to Orlandofrom $50
Flights to San Franciscofrom $54
Flights to Las Vegasfrom $49
Flights to Washington, D.C.from $51
Flights to Bostonfrom $50
Flights to Atlantafrom $49
Flights to Dallasfrom $49
Flights to Seattlefrom $83