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 46% 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 40m 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.

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

Air Canada and United Airlines are the most popular carriers operating from California to London

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$ 177 Cheap Flights from California to London in 2025/26

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Find the cheapest flights from California to London

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Cheap round-trip flights

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10:15 a.m. - 6:34 a.m.SFO-YXU

17h 19m2 stops

8:10 p.m. - 9:30 a.m.YXU-SFO

16h 20m2 stops

C$ 455Multiple Airlines

Find Deal

Thu, 15 Jan - Wed, 28 Jan

10:15 a.m. - 6:34 a.m.SFO-YXU

17h 19m2 stops

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

19h 02m1 stop

C$ 506Multiple Airlines

Find Deal

Thu, 15 Jan - Wed, 28 Jan

10:15 a.m. - 6:34 a.m.SFO-YXU

17h 19m3 stops

8:10 p.m. - 9:30 a.m.YXU-SFO

16h 20m2 stops

C$ 517Multiple Airlines

Find Deal

Thu, 15 Jan - Wed, 28 Jan

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

10h 51m2 stops

5:10 a.m. - 10:54 a.m.YXU-SFO

8h 44m1 stop

C$ 607Air Canada

Find Deal

Thu, 19 Feb - Fri, 20 Feb

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

10h 51m2 stops

9:25 a.m. - 9:22 p.m.YXU-SFO

14h 57m2 stops

C$ 615Air Canada

Find Deal

Thu, 19 Feb - Fri, 20 Feb

8:30 a.m. - 9:21 p.m.SFO-YXU

9h 51m1 stop

5:10 a.m. - 10:54 a.m.YXU-SFO

8h 44m1 stop

C$ 633Air Canada

Find Deal

Thu, 19 Feb - Fri, 20 Feb

1:00 p.m. - 6:35 a.m.SJC-YXU

38h 35m2 stops

8:10 p.m. - 9:13 a.m.YXU-SJC

40h 03m2 stops

C$ 801Multiple Airlines

Find Deal

Wed, 4 Mar - Wed, 18 Mar

8:45 a.m. - 9:21 p.m.SAN-YXU

9h 36m2 stops

9:25 a.m. - 7:56 p.m.YXU-SAN

13h 31m3 stops

C$ 996United Airlines

Find Deal

Sat, 6 Dec - Sun, 14 Dec

6:00 a.m. - 9:21 p.m.SAN-YXU

12h 21m2 stops

9:25 a.m. - 8:49 p.m.YXU-SAN

14h 24m3 stops

C$ 1,388United Airlines

Find Deal

Thu, 19 Feb - Mon, 23 Feb

6:00 a.m. - 9:21 p.m.SAN-YXU

12h 21m2 stops

9:25 a.m. - 8:49 p.m.YXU-SAN

14h 24m3 stops

C$ 1,439United Airlines

Find Deal

Thu, 19 Feb - Mon, 23 Feb

Air Canada flights from California to London, Ontario

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

Air Canada

19 Feb

SFO7:30 a.m.San Francisco

10h 51m

2 stops

YXU9:21 p.m.London

20 Feb

YXU5:10 a.m.London

8h 44m

1 stop

SFO10:54 a.m.San Francisco

C$ 607

Find similar

Air Canada

19 Feb

SFO7:30 a.m.San Francisco

10h 51m

2 stops

YXU9:21 p.m.London

20 Feb

YXU9:25 a.m.London

14h 57m

2 stops

SFO9:22 p.m.San Francisco

C$ 615

Find similar

Air Canada

19 Feb

SFO8:30 a.m.San Francisco

9h 51m

1 stop

YXU9:21 p.m.London

20 Feb

YXU5:10 a.m.London

8h 44m

1 stop

SFO10:54 a.m.San Francisco

C$ 633

Find similar

United Airlines flights from California to London, Ontario

Our best United Airlines deals on California to London, Ontario flight tickets

United Airlines

6 Dec

SAN8:45 a.m.San Diego

9h 36m

2 stops

YXU9:21 p.m.London

14 Dec

YXU9:25 a.m.London

13h 31m

3 stops

SAN7:56 p.m.San Diego

C$ 996

Find similar

United Airlines

19 Feb

SAN6:00 a.m.San Diego

12h 21m

2 stops

YXU9:21 p.m.London

23 Feb

YXU9:25 a.m.London

14h 24m

3 stops

SAN8:49 p.m.San Diego

C$ 1,388

Find similar

United Airlines

19 Feb

SAN6:00 a.m.San Diego

12h 21m

2 stops

YXU9:21 p.m.London

23 Feb

YXU9:25 a.m.London

14h 24m

3 stops

SAN8:49 p.m.San Diego

C$ 1,439

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

Thu 15/1

10:15 a.m.-6:34 a.m.

2 stops17h 19m

London

Wed 28/1

8:10 p.m.-9:30 a.m.

2 stops16h 20m

C$ 455

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 15/1

10:15 a.m.-6:34 a.m.

2 stops17h 19m

London

Wed 28/1

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

1 stop19h 02m

C$ 506

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 15/1

10:15 a.m.-6:34 a.m.

3 stops17h 19m

London

Wed 28/1

8:10 p.m.-9:30 a.m.

2 stops16h 20m

C$ 517

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 19/2

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

2 stops10h 51m

London

Fri 20/2

5:10 a.m.-10:54 a.m.

1 stop8h 44m

C$ 607

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 19/2

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

2 stops10h 51m

London

Fri 20/2

9:25 a.m.-9:22 p.m.

2 stops14h 57m

C$ 615

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 19/2

8:30 a.m.-9:21 p.m.

1 stop9h 51m

London

Fri 20/2

5:10 a.m.-10:54 a.m.

1 stop8h 44m

C$ 633

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Wed 4/3

1:00 p.m.-6:35 a.m.

2 stops38h 35m

London

Wed 18/3

8:10 p.m.-9:13 a.m.

2 stops40h 03m

C$ 801

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Sat 6/12

8:45 a.m.-9:21 p.m.

2 stops9h 36m

London

Sun 14/12

9:25 a.m.-7:56 p.m.

3 stops13h 31m

C$ 996

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 19/2

6:00 a.m.-9:21 p.m.

2 stops12h 21m

London

Mon 23/2

9:25 a.m.-8:49 p.m.

3 stops14h 24m

C$ 1,388

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 19/2

6:00 a.m.-9:21 p.m.

2 stops12h 21m

London

Mon 23/2

9:25 a.m.-8:49 p.m.

3 stops14h 24m

C$ 1,439

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 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

Direct flights	None

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.