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 Francisco to Toronto Pearson Intl Airport is 4h 49m 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, WestJet, and Delta are the most popular carriers operating from California to London

Which airlines fly to London, Ontario?

Air Canada, Porter Airlines and United Airlines are the top three most popular airlines that fly to London, Ontario from California according to our data. Air Canada 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 7 different airlines that fly to London, Ontario on a routine basis, so you have a few additional options to choose from.

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$ 285 Cheap Flights from California to London, Ontario in 2026

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. - 5:20 a.m.SFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 494WestJet

Thu, 17 Sep - Thu, 24 Sep

3:30 p.m. - 5:20 a.m.SAN San Diego-YXU London

10h 50m1 stop Calgary

6:10 a.m. - 2:10 p.m.YXU London-SAN San Diego

11h 00m1 stop Calgary

C$ 531WestJet

Tue, 15 Sep - Sat, 19 Sep

6:00 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 20m1 stop Calgary

5:55 p.m. - 12:00 p.m.YXU London-SFO San Francisco

21h 05m1 stop Calgary

C$ 534WestJet

Fri, 25 Sep - Mon, 28 Sep

4:40 p.m. - 5:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

6:40 a.m. - 3:50 p.m.YXU London-SFO San Francisco

12h 10m1 stop Calgary

C$ 551WestJet

Fri, 6 Nov - Mon, 9 Nov

6:00 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 20m1 stop Calgary

6:10 a.m. - 9:55 p.m.YXU London-SFO San Francisco

18h 45m1 stop Calgary

C$ 553WestJet

Thu, 17 Sep - Thu, 24 Sep

4:40 p.m. - 5:35 a.m.SFO San Francisco-YXU London

9h 55m1 stop Calgary

6:40 a.m. - 3:50 p.m.YXU London-SFO San Francisco

12h 10m1 stop Calgary

C$ 559WestJet

Fri, 6 Nov - Mon, 9 Nov

7:00 a.m. - 9:40 p.m.SAN San Diego-YXU London

11h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

5:40 a.m. - 12:16 p.m.YXU London-SAN San Diego

9h 36m1 stop Toronto Pearson Intl

C$ 566Air Canada

Tue, 15 Sep - Sat, 19 Sep

7:05 a.m. - 9:52 p.m.SAN San Diego-YXU London

11h 47m2 stops Vancouver Intl Toronto Pearson Intl

5:30 a.m. - 12:00 p.m.YXU London-SAN San Diego

9h 30m1 stop Toronto Pearson Intl

C$ 576Air Canada

Wed, 28 Oct - Fri, 30 Oct

7:00 a.m. - 9:40 p.m.SAN San Diego-YXU London

11h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:05 a.m. - 8:36 p.m.YXU London-SAN San Diego

13h 31m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

C$ 577Air Canada

Tue, 15 Sep - Sat, 19 Sep

7:00 a.m. - 9:40 p.m.SAN San Diego-YXU London

11h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl

10:05 a.m. - 8:36 p.m.YXU London-SAN San Diego

13h 31m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

C$ 578Air Canada

Tue, 15 Sep - Sat, 19 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

2:00 p.m. - 5:20 a.m.SFO San Francisco-YXU London

12h 20m2 stops Seattle/Tacoma Intl Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 1,300Delta

Fri, 28 Aug - Mon, 31 Aug

3:26 p.m. - 4:45 p.m.SFO San Francisco-YXU London

22h 19m2 stops Seattle/Tacoma Intl Calgary

6:10 a.m. - 9:55 p.m.YXU London-SFO San Francisco

18h 45m1 stop Calgary

C$ 1,323Multiple Airlines

Thu, 27 Aug - Mon, 31 Aug

6:20 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 00m2 stops Seattle/Tacoma Intl Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 1,345WestJet

Thu, 27 Aug - Mon, 31 Aug

6:25 a.m. - 5:20 a.m.SAN San Diego-YXU London

19h 55m2 stops Phoenix Sky Harbor Intl Calgary

6:10 a.m. - 2:10 p.m.YXU London-SAN San Diego

11h 00m1 stop Calgary

C$ 1,356Multiple Airlines

Tue, 25 Aug - Sat, 29 Aug

10:59 p.m. - 5:20 a.m.SFO San Francisco-YXU London

27h 21m2 stops Detroit Metropolitan Wayne County Calgary

5:55 p.m. - 9:55 p.m.YXU London-SFO San Francisco

31h 00m1 stop Calgary

C$ 1,400WestJet

Fri, 28 Aug - Mon, 31 Aug

6:00 a.m. - 4:45 p.m.SFO San Francisco-YXU London

7h 45m1 stop Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 1,426WestJet

Thu, 27 Aug - Mon, 31 Aug

10:59 p.m. - 5:20 a.m.SFO San Francisco-YXU London

27h 21m2 stops Detroit Metropolitan Wayne County Calgary

5:55 p.m. - 9:55 p.m.YXU London-SFO San Francisco

31h 00m1 stop Calgary

C$ 1,431WestJet

Fri, 28 Aug - Mon, 31 Aug

5:36 a.m. - 5:20 a.m.SFO San Francisco-YXU London

20h 44m2 stops Detroit Metropolitan Wayne County Calgary

5:55 p.m. - 12:00 p.m.YXU London-SFO San Francisco

21h 05m1 stop Calgary

C$ 1,487WestJet

Thu, 27 Aug - Mon, 31 Aug

3:30 p.m. - 5:20 a.m.SAN San Diego-YXU London

10h 50m1 stop Calgary

6:10 a.m. - 2:10 p.m.YXU London-SAN San Diego

11h 00m1 stop Calgary

C$ 1,491WestJet

Tue, 25 Aug - Sat, 29 Aug

6:05 p.m. - 5:20 a.m.SFO San Francisco-YXU London

8h 15m1 stop Calgary

6:10 a.m. - 12:00 p.m.YXU London-SFO San Francisco

8h 50m1 stop Calgary

C$ 1,497WestJet

Thu, 27 Aug - Mon, 31 Aug

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Air Canada flights from California to London, Ontario

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

Air Canada

15 Sep

SAN7:00 a.m.San Diego

11h 40m

2 stops

YXU9:40 p.m.London

19 Sep

YXU5:40 a.m.London

9h 36m

1 stop

SAN12:16 p.m.San Diego

C$ 566

Air Canada

28 Oct

SAN7:05 a.m.San Diego

11h 47m

2 stops

YXU9:52 p.m.London

30 Oct

YXU5:30 a.m.London

9h 30m

1 stop

SAN12:00 p.m.San Diego

C$ 576

Air Canada

15 Sep

SAN7:00 a.m.San Diego

11h 40m

2 stops

YXU9:40 p.m.London

19 Sep

YXU10:05 a.m.London

13h 31m

2 stops

SAN8:36 p.m.San Diego

C$ 577

United Airlines flights from California to London, Ontario

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

United Airlines

15 Sep

SAN5:00 p.m.San Diego

13h 20m

2 stops

YXU9:20 a.m.London

19 Sep

YXU10:05 a.m.London

13h 40m

3 stops

SAN8:45 p.m.San Diego

C$ 743

United Airlines

15 Sep

SAN5:00 p.m.San Diego

13h 20m

2 stops

YXU9:20 a.m.London

19 Sep

YXU10:05 a.m.London

13h 40m

3 stops

SAN8:45 p.m.San Diego

C$ 745

United Airlines

6 Nov

SFO11:30 p.m.San Francisco

12h 17m

2 stops

YXU2:47 p.m.London

9 Nov

YXU5:30 a.m.London

12h 12m

2 stops

SFO2:42 p.m.San Francisco

C$ 796

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

Cheapest round-trip

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 17/9

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

1 stop20h 20m

London

Thu 24/9

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

1 stop8h 50m

C$ 494

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Tue 15/9

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

1 stop10h 50m

London

Sat 19/9

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

1 stop11h 00m

C$ 531

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 25/9

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

1 stop20h 20m

London

Mon 28/9

5:55 p.m.-12:00 p.m.

1 stop21h 05m

C$ 534

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 6/11

4:40 p.m.-5:35 a.m.

1 stop9h 55m

London

Mon 9/11

6:40 a.m.-3:50 p.m.

1 stop12h 10m

C$ 551

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Thu 17/9

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

1 stop20h 20m

London

Thu 24/9

6:10 a.m.-9:55 p.m.

1 stop18h 45m

C$ 553

San FranciscoLondon

SFO San Francisco - YXU London

SFOYXU

San Francisco

Fri 6/11

4:40 p.m.-5:35 a.m.

1 stop9h 55m

London

Mon 9/11

6:40 a.m.-3:50 p.m.

1 stop12h 10m

C$ 559

Quickest round-trip

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Tue 15/9

7:00 a.m.-9:40 p.m.

2 stops11h 40m

London

Sat 19/9

5:40 a.m.-12:16 p.m.

1 stop9h 36m

C$ 566

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Wed 28/10

7:05 a.m.-9:52 p.m.

2 stops11h 47m

London

Fri 30/10

5:30 a.m.-12:00 p.m.

1 stop9h 30m

C$ 576

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Tue 15/9

7:00 a.m.-9:40 p.m.

2 stops11h 40m

London

Sat 19/9

10:05 a.m.-8:36 p.m.

2 stops13h 31m

C$ 577

San DiegoLondon

SAN San Diego - YXU London

SANYXU

San Diego

Tue 15/9

7:00 a.m.-9:40 p.m.

2 stops11h 40m

London

Sat 19/9

10:05 a.m.-8:36 p.m.

2 stops13h 31m

C$ 578

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 78% 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

Best price found	C$ 285
Fastest flight time	9h 47m
Direct flights	None

The best one-way flight to London, Ontario from California in the past 72 hours is C$ 285. The best round-trip flight deal from California to London, Ontario found on momondo in the last 72 hours is C$ 494.

The fastest flight from California to London, Ontario takes 9h 47m

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

Search flight deals

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.