Which airlines fly to California?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to California from London, Ontario according to our data. Porter Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to California. Keep in mind that there are 9 different airlines that fly to California on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from London to California?

WestJet, United Airlines, and Delta are the most popular carriers operating from London to California

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?

The number of operators available for flights from London Airport to California is 3 as of June 2026.

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.

C$ 293 Cheap Flights from London, Ontario to California in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London, Ontario to California

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:10 a.m. - 12:00 p.m.

YXU

SFO

8h 50m

1 stop

6:00 a.m. - 5:20 a.m.

SFO

YXU

20h 20m

1 stop

C$ 487WestJet

Thu, 8 Oct - Tue, 13 Oct

6:10 a.m. - 2:10 p.m.

YXU

SAN

11h 00m

1 stop

3:30 p.m. - 5:20 a.m.

SAN

YXU

10h 50m

1 stop

C$ 500WestJet

Wed, 9 Sep - Sat, 12 Sep

5:45 a.m. - 10:24 a.m.

YXU

PSP

7h 39m

1 stop

12:50 p.m. - 9:06 a.m.

PSP

YXU

17h 16m

2 stops

C$ 511Air Canada

Fri, 30 Oct - Tue, 3 Nov

5:45 a.m. - 10:24 a.m.

YXU

PSP

7h 39m

1 stop

12:50 p.m. - 9:06 a.m.

PSP

YXU

17h 16m

2 stops

C$ 512Air Canada

Fri, 30 Oct - Tue, 3 Nov

6:20 p.m. - 10:27 a.m.

YXU

SNA

19h 07m

2 stops

9:00 p.m. - 2:55 p.m.

SNA

YXU

14h 55m

2 stops

C$ 565United Airlines

Fri, 2 Oct - Mon, 5 Oct

6:20 p.m. - 10:27 a.m.

YXU

SNA

19h 07m

2 stops

9:00 p.m. - 2:55 p.m.

SNA

YXU

14h 55m

2 stops

C$ 566United Airlines

Fri, 2 Oct - Mon, 5 Oct

6:10 a.m. - 12:25 p.m.

YXU

LAX

9h 15m

1 stop

6:30 a.m. - 5:20 a.m.

LAX

YXU

19h 50m

2 stops

C$ 599Multiple Airlines

Sat, 29 Aug - Wed, 2 Sep

5:55 p.m. - 12:25 p.m.

YXU

LAX

21h 30m

1 stop

11:30 a.m. - 5:20 a.m.

LAX

YXU

14h 50m

2 stops

C$ 620Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

6:10 a.m. - 10:43 a.m.

YXU

SJC

31h 33m

2 stops

2:41 p.m. - 5:20 a.m.

SJC

YXU

11h 39m

2 stops

C$ 969Delta

Fri, 4 Sep - Tue, 8 Sep

6:10 a.m. - 10:43 a.m.

YXU

SJC

31h 33m

2 stops

2:41 p.m. - 5:20 a.m.

SJC

YXU

11h 39m

2 stops

C$ 972Delta

Fri, 4 Sep - Tue, 8 Sep

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WestJet flights from London, Ontario to California

Our best WestJet deals on London, Ontario to California flight tickets

WestJet

28 Sep

YXU6:10 a.m.London

11h 00m

1 stop

SAN2:10 p.m.San Diego

29 Sep

SAN3:30 p.m.San Diego

10h 50m

1 stop

YXU5:20 a.m.London

C$ 495

WestJet

9 Sep

YXU6:10 a.m.London

11h 00m

1 stop

SAN2:10 p.m.San Diego

12 Sep

SAN3:30 p.m.San Diego

10h 50m

1 stop

YXU5:20 a.m.London

C$ 500

WestJet

8 Oct

YXU6:10 a.m.London

18h 45m

1 stop

SFO9:55 p.m.San Francisco

13 Oct

SFO6:00 a.m.San Francisco

20h 20m

1 stop

YXU5:20 a.m.London

C$ 512

Air Canada flights from London, Ontario to California

Our best Air Canada deals on London, Ontario to California flight tickets

Air Canada

30 Oct

YXU5:45 a.m.London

7h 39m

1 stop

PSP10:24 a.m.Palm Springs

3 Nov

PSP12:50 p.m.Palm Springs

17h 16m

2 stops

YXU9:06 a.m.London

C$ 511

Air Canada

30 Oct

YXU5:45 a.m.London

7h 39m

1 stop

PSP10:24 a.m.Palm Springs

3 Nov

PSP12:50 p.m.Palm Springs

17h 16m

2 stops

YXU9:06 a.m.London

C$ 512

Air Canada

30 Oct

YXU5:45 a.m.London

7h 39m

1 stop

PSP10:24 a.m.Palm Springs

3 Nov

PSP12:50 p.m.Palm Springs

17h 16m

2 stops

YXU9:06 a.m.London

C$ 515

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

YXU - SFO

YXUSFO

London

Thu 8/10

6:10 a.m.-12:00 p.m.

1 stop8h 50m

San Francisco

Tue 13/10

6:00 a.m.-5:20 a.m.

1 stop20h 20m

C$ 487

Quickest round-trip

LondonSan Diego

YXU - SAN

YXUSAN

London

Wed 9/9

6:10 a.m.-2:10 p.m.

1 stop11h 00m

San Diego

Sat 12/9

3:30 p.m.-5:20 a.m.

1 stop10h 50m

C$ 500

LondonPalm Springs

YXU - PSP

YXUPSP

London

Fri 30/10

5:45 a.m.-10:24 a.m.

1 stop7h 39m

Palm Springs

Tue 3/11

12:50 p.m.-9:06 a.m.

2 stops17h 16m

C$ 511

LondonPalm Springs

YXU - PSP

YXUPSP

London

Fri 30/10

5:45 a.m.-10:24 a.m.

1 stop7h 39m

Palm Springs

Tue 3/11

12:50 p.m.-9:06 a.m.

2 stops17h 16m

C$ 512

LondonSanta Ana

YXU - SNA

YXUSNA

London

Fri 2/10

6:20 p.m.-10:27 a.m.

2 stops19h 07m

Santa Ana J. Wayne/Orange Cnty

Mon 5/10

9:00 p.m.-2:55 p.m.

2 stops14h 55m

C$ 565

LondonSanta Ana

YXU - SNA

YXUSNA

London

Fri 2/10

6:20 p.m.-10:27 a.m.

2 stops19h 07m

Santa Ana J. Wayne/Orange Cnty

Mon 5/10

9:00 p.m.-2:55 p.m.

2 stops14h 55m

C$ 566

LondonLos Angeles

YXU - LAX

YXULAX

London

Sat 29/8

6:10 a.m.-12:25 p.m.

1 stop9h 15m

Los Angeles

Wed 2/9

6:30 a.m.-5:20 a.m.

2 stops19h 50m

C$ 599

LondonLos Angeles

YXU - LAX

YXULAX

London

Wed 12/8

5:55 p.m.-12:25 p.m.

1 stop21h 30m

Los Angeles

Wed 19/8

11:30 a.m.-5:20 a.m.

2 stops14h 50m

C$ 620

LondonSan Jose

YXU - SJC

YXUSJC

London

Fri 4/9

6:10 a.m.-10:43 a.m.

2 stops31h 33m

San Jose

Tue 8/9

2:41 p.m.-5:20 a.m.

2 stops11h 39m

C$ 969

LondonSan Jose

YXU - SJC

YXUSJC

London

Fri 4/9

6:10 a.m.-10:43 a.m.

2 stops31h 33m

San Jose

Tue 8/9

2:41 p.m.-5:20 a.m.

2 stops11h 39m

C$ 972

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest month to fly to California?

The cheapest month to fly to California from London, Ontario is in August. Flight prices, which tend to average around C$ 225, are often lower during this time because this is during the off-season. If you’re not able to fly to California in August, then May is your next best option. Flight prices from London, Ontario to California during May average around C$ 303.

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

You could potentially save up to 22% 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 39m
Direct flights	None

The fastest flight from London, Ontario to California takes 7h 39m

There are no direct flights from London, Ontario to California. There are no popular flight routes from London, Ontario to California.

Search flight deals

Frequently asked questions about flying from London, Ontario to California

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?
The number of operators available for flights from London Airport to California is 3 as of June 2026.
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
WestJet	PriceFrom C$ 225	Free Cancellation	Rating 7.2 3,375 reviews	Search WestJet flights
Air Canada	PriceFrom C$ 261	Free Cancellation	Rating 7.1 11,232 reviews	Search Air Canada flights
United Airlines	PriceFrom C$ 425	Free Cancellation	Rating 7.4 9,870 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.