Which airlines fly to London, Ontario?

Porter Airlines, Air Canada and WestJet are the top three most popular airlines that fly to London, Ontario from California according to our data. Porter Airlines is the first choice among our users, with 43% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 5 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to London, Ontario?

The average flight duration from California to London, Ontario depends on which airport you fly into and out of. Flying from Los Angeles to Toronto Pearson Intl Airport is 4h 42m on average, while flying from San Diego to Toronto Pearson Intl Airport is 4h 50m on average. Toronto Pearson Intl Airport is the most popular airport in London, Ontario.

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

Prices for flights from California to London Airport are refreshed on a daily basis.

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

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 California to London Airport.

What documentation or ID do you need to fly to London Airport?

The required travel and health documents for your London Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

C$ 455 Cheap Flights from California to London in 2025/26

1 adult

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Find the cheapest flights from California to London

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Cheap round-trip flights

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8:45 a.m. - 9:18 p.m.

SFO

YXU

9h 33m1 stop

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

YXU

SFO

8h 35m1 stop

C$ 455Air Canada

Tue, 21 Apr - Sat, 25 Apr

8:45 a.m. - 9:18 p.m.

SFO

YXU

9h 33m1 stop

5:10 a.m. - 12:32 p.m.

YXU

SFO

10h 22m2 stops

C$ 462Air Canada

Tue, 21 Apr - Sat, 25 Apr

8:34 a.m. - 6:34 a.m.

SAN

YXU

19h 00m2 stops

8:10 p.m. - 11:47 a.m.

YXU

SAN

18h 37m1 stop

C$ 579Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

6:35 a.m. - 9:18 p.m.

SFO

YXU

11h 43m2 stops

5:10 a.m. - 12:32 p.m.

YXU

SFO

10h 22m2 stops

C$ 579Air Canada

Tue, 21 Apr - Sat, 25 Apr

1:00 p.m. - 6:34 a.m.

SFO

YXU

14h 34m1 stop

8:10 p.m. - 12:12 p.m.

YXU

SFO

19h 02m1 stop

C$ 605WestJet

Thu, 15 Jan - Mon, 19 Jan

1:00 p.m. - 6:34 a.m.

SFO

YXU

14h 34m1 stop

8:10 p.m. - 12:12 p.m.

YXU

SFO

19h 02m1 stop

C$ 719WestJet

Thu, 15 Jan - Mon, 19 Jan

2:36 p.m. - 6:35 a.m.

SJC

YXU

36h 59m2 stops

8:10 p.m. - 10:04 p.m.

YXU

SJC

28h 54m2 stops

C$ 898Multiple Airlines

Wed, 4 Mar - Wed, 18 Mar

9:05 a.m. - 5:12 a.m.

SJC

YXU

17h 07m2 stops

6:00 a.m. - 5:04 p.m.

YXU

SJC

14h 04m2 stops

C$ 931Delta

Fri, 15 May - Sat, 30 May

9:05 a.m. - 5:12 a.m.

SJC

YXU

17h 07m2 stops

6:00 a.m. - 5:04 p.m.

YXU

SJC

14h 04m2 stops

C$ 966Delta

Fri, 15 May - Sat, 30 May

8:37 p.m. - 8:46 a.m.

SAN

YXU

9h 09m2 stops

5:40 p.m. - 11:48 a.m.

YXU

SAN

21h 08m3 stops

C$ 1,568United Airlines

Thu, 29 Jan - Thu, 5 Feb

WestJet flights from California to London, Ontario

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

WestJet

15 Jan

SFO1:00 p.m.San Francisco

14h 34m

1 stop

YXU6:34 a.m.London

19 Jan

YXU8:10 p.m.London

19h 02m

1 stop

SFO12:12 p.m.San Francisco

C$ 481

Find similar

WestJet

15 Jan

SFO1:00 p.m.San Francisco

14h 34m

1 stop

YXU6:34 a.m.London

19 Jan

YXU8:10 p.m.London

19h 02m

1 stop

SFO12:12 p.m.San Francisco

C$ 605

Find similar

WestJet

15 Jan

SFO1:00 p.m.San Francisco

14h 34m

1 stop

YXU6:34 a.m.London

19 Jan

YXU8:10 p.m.London

19h 02m

1 stop

SFO12:12 p.m.San Francisco

C$ 719

Find similar

Air Canada flights from California to London, Ontario

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

Air Canada

21 Apr

SFO8:45 a.m.San Francisco

9h 33m

1 stop

YXU9:18 p.m.London

25 Apr

YXU5:10 a.m.London

8h 35m

1 stop

SFO10:45 a.m.San Francisco

C$ 455

Find similar

Air Canada

21 Apr

SFO8:45 a.m.San Francisco

9h 33m

1 stop

YXU9:18 p.m.London

25 Apr

YXU5:10 a.m.London

10h 22m

2 stops

SFO12:32 p.m.San Francisco

C$ 462

Find similar

Air Canada

15 Jan

SFO11:20 a.m.San Francisco

18h 26m

2 stops

YXU8:46 a.m.London

19 Jan

YXU5:40 p.m.London

21h 40m

2 stops

SFO12:20 p.m.San Francisco

C$ 528

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from California to London, Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 21/4

8:45 a.m.-9:18 p.m.

1 stop9h 33m

London

Sat 25/4

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

1 stop8h 35m

C$ 455

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 21/4

8:45 a.m.-9:18 p.m.

1 stop9h 33m

London

Sat 25/4

5:10 a.m.-12:32 p.m.

2 stops10h 22m

C$ 462

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 29/1

8:34 a.m.-6:34 a.m.

2 stops19h 00m

London

Thu 5/2

8:10 p.m.-11:47 a.m.

1 stop18h 37m

C$ 579

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 21/4

6:35 a.m.-9:18 p.m.

2 stops11h 43m

London

Sat 25/4

5:10 a.m.-12:32 p.m.

2 stops10h 22m

C$ 579

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 15/1

1:00 p.m.-6:34 a.m.

1 stop14h 34m

London

Mon 19/1

8:10 p.m.-12:12 p.m.

1 stop19h 02m

C$ 605

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 15/1

1:00 p.m.-6:34 a.m.

1 stop14h 34m

London

Mon 19/1

8:10 p.m.-12:12 p.m.

1 stop19h 02m

C$ 719

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Wed 4/3

2:36 p.m.-6:35 a.m.

2 stops36h 59m

London

Wed 18/3

8:10 p.m.-10:04 p.m.

2 stops28h 54m

C$ 898

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Fri 15/5

9:05 a.m.-5:12 a.m.

2 stops17h 07m

London

Sat 30/5

6:00 a.m.-5:04 p.m.

2 stops14h 04m

C$ 931

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Fri 15/5

9:05 a.m.-5:12 a.m.

2 stops17h 07m

London

Sat 30/5

6:00 a.m.-5:04 p.m.

2 stops14h 04m

C$ 966

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 29/1

8:37 p.m.-8:46 a.m.

2 stops9h 09m

London

Thu 5/2

5:40 p.m.-11:48 a.m.

3 stops21h 08m

C$ 1,568

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Other information

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

You could potentially save up to 65% on your flight if you consider stops on a California to London, Ontario flight.

Cheap California to London, Ontario flight deals and tips

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

Fastest flight time	9h 05m
Direct flights	None

The fastest flight from California to London, Ontario takes 9h 05m

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

Search flight deals

When did momondo last update prices for flights from California to London Airport?
Prices for flights from California to London Airport are refreshed on a daily basis.
How old do you have to be to fly from California to London Airport?
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 California to London Airport.
What documentation or ID do you need to fly to London Airport?
The required travel and health documents for your London Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at London Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Grand Bend

Port Stanley

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from California to London. momondo saves you time and could save you money on your trip.

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

Flights from California to London 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 California to London?

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

Price alerts on flights to London from California 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.