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Cheap flights from London, Ontario to California from C$ 280

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 27/4. 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

Enter your travel dates to find the best prices.
Air Canada Logo
9:25 a.m. - 9:39 p.m.
YXU
-
SFO
15h 14m
1 stop
Air Canada Logo
7:30 a.m. - 9:21 p.m.
SFO
-
YXU
10h 51m
2 stops
C$ 464Air Canada
Sun, 1 Mar - Wed, 4 Mar
WestJet Logo
8:10 p.m. - 4:58 p.m.
YXU
-
LAX
23h 48m
1 stop
WestJet Logo
11:50 a.m. - 6:35 a.m.
LAX
-
YXU
15h 45m
2 stops
C$ 466WestJet
Tue, 3 Mar - Tue, 10 Mar
United Airlines Logo
5:40 p.m. - 1:28 a.m.
YXU
-
SFO
10h 48m
2 stops
United Airlines Logo
5:10 a.m. - 9:21 p.m.
SFO
-
YXU
13h 11m
2 stops
C$ 494United Airlines
Sun, 1 Mar - Wed, 4 Mar
Air Canada Logo
5:10 a.m. - 7:27 p.m.
YXU
-
LAX
17h 17m
1 stop
Air Canada Logo
6:10 p.m. - 8:46 a.m.
LAX
-
YXU
11h 36m
2 stops
C$ 496Air Canada
Mon, 9 Mar - Thu, 12 Mar
WestJet Logo
6:15 a.m. - 12:00 p.m.
YXU
-
SFO
8h 45m
1 stop
WestJet Logo
6:05 p.m. - 5:25 a.m.
SFO
-
YXU
8h 20m
1 stop
C$ 503WestJet
Sun, 24 May - Mon, 8 Jun
WestJet Logo
8:10 p.m. - 11:00 a.m.
YXU
-
LAX
17h 50m
2 stops
WestJet Logo
11:50 a.m. - 6:35 a.m.
LAX
-
YXU
15h 45m
2 stops
C$ 509WestJet
Tue, 3 Mar - Tue, 10 Mar
WestJet Logo
2:35 p.m. - 9:55 p.m.
YXU
-
SFO
10h 20m
2 stops
WestJet Logo
6:05 p.m. - 5:25 a.m.
SFO
-
YXU
8h 20m
1 stop
C$ 511WestJet
Sun, 24 May - Mon, 8 Jun
United Airlines Logo
5:10 a.m. - 1:43 p.m.
YXU
-
LAX
11h 33m
2 stops
United Airlines Logo
12:25 a.m. - 5:05 p.m.
LAX
-
YXU
13h 40m
2 stops
C$ 526United Airlines
Mon, 9 Mar - Wed, 11 Mar
Air Canada Logo
5:10 a.m. - 10:55 a.m.
YXU
-
SFO
8h 45m
1 stop
Air Canada Logo
7:30 p.m. - 11:43 a.m.
SFO
-
YXU
13h 13m
2 stops
C$ 530Air Canada
Sat, 25 Apr - Sat, 2 May
United Airlines Logo
9:25 a.m. - 6:27 p.m.
YXU
-
LAS
12h 02m
2 stops
United Airlines Logo
11:59 p.m. - 5:03 p.m.
LAS
-
YXU
14h 04m
2 stops
C$ 553United Airlines
Thu, 2 Apr - Mon, 6 Apr

WestJet flights from London, Ontario to California

Our best WestJet deals on London, Ontario to California flight tickets
WestJet
3 Mar
YXU8:10 p.m.London
23h 48m
1 stop
LAX4:58 p.m.Los Angeles
10 Mar
LAX11:50 a.m.Los Angeles
15h 45m
2 stops
YXU6:35 a.m.London
C$ 466
WestJet
24 May
YXU6:15 a.m.London
8h 45m
1 stop
SFO12:00 p.m.San Francisco
8 Jun
SFO6:05 p.m.San Francisco
8h 20m
1 stop
YXU5:25 a.m.London
C$ 503
WestJet
3 Mar
YXU8:10 p.m.London
17h 50m
2 stops
LAX11:00 a.m.Los Angeles
10 Mar
LAX11:50 a.m.Los Angeles
15h 45m
2 stops
YXU6:35 a.m.London
C$ 509

Air Canada flights from London, Ontario to California

Our best Air Canada deals on London, Ontario to California flight tickets
Air Canada
1 Mar
YXU9:25 a.m.London
15h 14m
1 stop
SFO9:39 p.m.San Francisco
4 Mar
SFO7:30 a.m.San Francisco
10h 51m
2 stops
YXU9:21 p.m.London
C$ 464
Air Canada
9 Mar
YXU5:10 a.m.London
17h 17m
1 stop
LAX7:27 p.m.Los Angeles
12 Mar
LAX6:10 p.m.Los Angeles
11h 36m
2 stops
YXU8:46 a.m.London
C$ 496
Air Canada
25 Apr
YXU5:10 a.m.London
8h 45m
1 stop
SFO10:55 a.m.San Francisco
2 May
SFO7:30 p.m.San Francisco
13h 13m
2 stops
YXU11:43 a.m.London
C$ 530

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 96,600 searches. Data last updated 3 February 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 1/3

9:25 a.m.-9:39 p.m.

1 stop15h 14m

San Francisco

Wed 4/3

7:30 a.m.-9:21 p.m.

2 stops10h 51m

C$ 464

LondonLos Angeles

YXU - LAX

YXULAX

London

Tue 3/3

8:10 p.m.-4:58 p.m.

1 stop23h 48m

Los Angeles

Tue 10/3

11:50 a.m.-6:35 a.m.

2 stops15h 45m

C$ 466

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 1/3

5:40 p.m.-1:28 a.m.

2 stops10h 48m

San Francisco

Wed 4/3

5:10 a.m.-9:21 p.m.

2 stops13h 11m

C$ 494

LondonLos Angeles

YXU - LAX

YXULAX

London

Mon 9/3

5:10 a.m.-7:27 p.m.

1 stop17h 17m

Los Angeles

Thu 12/3

6:10 p.m.-8:46 a.m.

2 stops11h 36m

C$ 496

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 24/5

6:15 a.m.-12:00 p.m.

1 stop8h 45m

San Francisco

Mon 8/6

6:05 p.m.-5:25 a.m.

1 stop8h 20m

C$ 503

LondonLos Angeles

YXU - LAX

YXULAX

London

Tue 3/3

8:10 p.m.-11:00 a.m.

2 stops17h 50m

Los Angeles

Tue 10/3

11:50 a.m.-6:35 a.m.

2 stops15h 45m

C$ 509

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 24/5

2:35 p.m.-9:55 p.m.

2 stops10h 20m

San Francisco

Mon 8/6

6:05 p.m.-5:25 a.m.

1 stop8h 20m

C$ 511

LondonLos Angeles

YXU - LAX

YXULAX

London

Mon 9/3

5:10 a.m.-1:43 p.m.

2 stops11h 33m

Los Angeles

Wed 11/3

12:25 a.m.-5:05 p.m.

2 stops13h 40m

C$ 526

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sat 25/4

5:10 a.m.-10:55 a.m.

1 stop8h 45m

San Francisco

Sat 2/5

7:30 p.m.-11:43 a.m.

2 stops13h 13m

C$ 530

LondonLas Vegas

YXU - LAS

YXULAS

London

Thu 2/4

9:25 a.m.-6:27 p.m.

2 stops12h 02m

Las Vegas Harry Reid Intl

Mon 6/4

11:59 p.m.-5:03 p.m.

2 stops14h 04m

C$ 553

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 cheapest month to fly to California from London, Ontario is in June. Flight prices, which tend to average around C$ 316, are often lower during this time because this is during the off-season. If you’re not able to fly to California in June, then July is your next best option. Flight prices from London, Ontario to California during July average around C$ 343.

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

You could potentially save up to 40% 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

7h 49m

Direct flights

None
The fastest flight from London, Ontario to California takes 7h 49m
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 refresh daily.

  • 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
WestJetPriceFrom C$ 217Free CancellationRating
7.2
3,255 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 252Free CancellationRating
7.1
10,684 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 367Free CancellationRating
7.4
9,236 reviews
Search United Airlines 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?

Flights from London to California with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential London to California 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 California right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to California 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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