Which airlines fly to London, Ontario?

Porter Airlines, Air Canada and Air Transat 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 44% of people opting to fly with this airline when travelling to London, Ontario. Keep in mind that there are 6 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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

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

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 51m 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$ 178 Cheap Flights from California to London, Ontario in 2026

1 adult

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Find the cheapest flights from California to London

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 a.m. - 4:45 p.m.

SFO

YXU

7h 45m

1 stop

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

YXU

SFO

8h 50m

1 stop

C$ 397WestJet

Mon, 12 Oct - Wed, 21 Oct

6:00 a.m. - 4:45 p.m.

SFO

YXU

7h 45m

1 stop

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

YXU

SFO

8h 50m

1 stop

C$ 413WestJet

Mon, 12 Oct - Wed, 21 Oct

4:35 p.m. - 9:20 a.m.

SFO

YXU

13h 45m

2 stops

5:40 a.m. - 10:39 a.m.

YXU

SFO

7h 59m

1 stop

C$ 520Air Canada

Sun, 11 Oct - Wed, 21 Oct

8:10 a.m. - 9:40 p.m.

SFO

YXU

10h 30m

2 stops

10:05 a.m. - 3:24 p.m.

YXU

SFO

8h 19m

1 stop

C$ 524Air Canada

Tue, 8 Sep - Fri, 11 Sep

6:00 a.m. - 4:45 p.m.

SFO

YXU

7h 45m

1 stop

6:10 a.m. - 4:06 p.m.

YXU

SFO

12h 56m

2 stops

C$ 550Multiple Airlines

Sun, 2 Aug - Sat, 8 Aug

3:04 p.m. - 5:45 p.m.

SAN

YXU

23h 41m

3 stops

5:40 a.m. - 11:35 a.m.

YXU

SAN

8h 55m

1 stop

C$ 842United Airlines

Tue, 18 Aug - Wed, 26 Aug

10:40 p.m. - 9:40 p.m.

SAN

YXU

20h 00m

2 stops

3:30 p.m. - 10:10 p.m.

YXU

SAN

9h 40m

2 stops

C$ 855United Airlines

Thu, 20 Aug - Mon, 24 Aug

3:30 p.m. - 1:50 p.m.

SAN

YXU

19h 20m

2 stops

5:55 p.m. - 11:32 p.m.

YXU

SAN

32h 37m

2 stops

C$ 865Multiple Airlines

Mon, 22 Jun - Mon, 29 Jun

11:33 a.m. - 5:20 a.m.

SJC

YXU

14h 47m

2 stops

6:10 a.m. - 6:48 p.m.

YXU

SJC

15h 38m

2 stops

C$ 995Delta

Mon, 12 Oct - Wed, 21 Oct

2:35 p.m. - 5:20 a.m.

SJC

YXU

11h 45m

2 stops

6:10 a.m. - 6:48 p.m.

YXU

SJC

15h 38m

2 stops

C$ 1,027Delta

Sun, 11 Oct - Wed, 21 Oct

WestJet flights from California to London, Ontario

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

WestJet

12 Oct

SFO6:00 a.m.San Francisco

7h 45m

1 stop

YXU4:45 p.m.London

21 Oct

YXU6:10 a.m.London

8h 50m

1 stop

SFO12:00 p.m.San Francisco

C$ 397

WestJet

12 Oct

SFO6:00 a.m.San Francisco

7h 45m

1 stop

YXU4:45 p.m.London

21 Oct

YXU6:10 a.m.London

8h 50m

1 stop

SFO12:00 p.m.San Francisco

C$ 413

WestJet

11 Oct

SFO1:00 p.m.San Francisco

13h 20m

1 stop

YXU5:20 a.m.London

21 Oct

YXU6:10 a.m.London

8h 50m

1 stop

SFO12:00 p.m.San Francisco

C$ 486

Air Canada flights from California to London, Ontario

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

Air Canada

11 Oct

SFO4:35 p.m.San Francisco

13h 45m

2 stops

YXU9:20 a.m.London

21 Oct

YXU5:40 a.m.London

7h 59m

1 stop

SFO10:39 a.m.San Francisco

C$ 520

Air Canada

8 Sep

SFO8:10 a.m.San Francisco

10h 30m

2 stops

YXU9:40 p.m.London

11 Sep

YXU10:05 a.m.London

8h 19m

1 stop

SFO3:24 p.m.San Francisco

C$ 524

Air Canada

8 Sep

SFO8:10 a.m.San Francisco

10h 30m

2 stops

YXU9:40 p.m.London

11 Sep

YXU6:20 p.m.London

19h 00m

2 stops

SFO10:20 a.m.San Francisco

C$ 558

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 12/10

6:00 a.m.-4:45 p.m.

1 stop7h 45m

London

Wed 21/10

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

1 stop8h 50m

C$ 397

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 12/10

6:00 a.m.-4:45 p.m.

1 stop7h 45m

London

Wed 21/10

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

1 stop8h 50m

C$ 413

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sun 11/10

4:35 p.m.-9:20 a.m.

2 stops13h 45m

London

Wed 21/10

5:40 a.m.-10:39 a.m.

1 stop7h 59m

C$ 520

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Tue 8/9

8:10 a.m.-9:40 p.m.

2 stops10h 30m

London

Fri 11/9

10:05 a.m.-3:24 p.m.

1 stop8h 19m

C$ 524

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sun 2/8

6:00 a.m.-4:45 p.m.

1 stop7h 45m

London

Sat 8/8

6:10 a.m.-4:06 p.m.

2 stops12h 56m

C$ 550

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Tue 18/8

3:04 p.m.-5:45 p.m.

3 stops23h 41m

London

Wed 26/8

5:40 a.m.-11:35 a.m.

1 stop8h 55m

C$ 842

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 20/8

10:40 p.m.-9:40 p.m.

2 stops20h 00m

London

Mon 24/8

3:30 p.m.-10:10 p.m.

2 stops9h 40m

C$ 855

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Mon 22/6

3:30 p.m.-1:50 p.m.

2 stops19h 20m

London

Mon 29/6

5:55 p.m.-11:32 p.m.

2 stops32h 37m

C$ 865

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Mon 12/10

11:33 a.m.-5:20 a.m.

2 stops14h 47m

London

Wed 21/10

6:10 a.m.-6:48 p.m.

2 stops15h 38m

C$ 995

San JoseLondon

SJC - YXU

SJCYXU

San Jose

Sun 11/10

2:35 p.m.-5:20 a.m.

2 stops11h 45m

London

Wed 21/10

6:10 a.m.-6:48 p.m.

2 stops15h 38m

C$ 1,027

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

Fastest flight time	11h 40m
Direct flights	None

The fastest flight from California to London, Ontario takes 11h 40m

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

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Frequently asked questions about flying from California to 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.

Grand Bend

Port Stanley

Why use momondo?

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.