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

Flair Airlines is the most popular carrier operating from California to London

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 40% 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 Sacramento to Toronto Pearson Intl Airport is 4h 43m 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$ 401 Cheap Flights from California to London in 2025

1 adult

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Find the cheapest flights from California to London

Round-trip

One-way

Cheap round-trip flights

10:15 a.m. - 5:12 a.m.SFO-YXU

15h 57m2 stops

6:00 a.m. - 11:54 a.m.YXU-SFO

8h 54m1 stop

C$ 483

Find Deal

Mon, 8 Sep - Tue, 16 Sep

10:15 a.m. - 5:12 a.m.SFO-YXU

15h 57m2 stops

6:00 a.m. - 11:54 a.m.YXU-SFO

8h 54m1 stop

C$ 499

Find Deal

Thu, 18 Sep - Sun, 21 Sep

10:15 a.m. - 5:12 a.m.SFO-YXU

15h 57m2 stops

6:00 a.m. - 11:54 a.m.YXU-SFO

8h 54m1 stop

C$ 503

Find Deal

Mon, 8 Sep - Tue, 16 Sep

10:15 a.m. - 5:12 a.m.SFO-YXU

15h 57m2 stops

8:00 p.m. - 11:54 a.m.YXU-SFO

18h 54m1 stop

C$ 509

Find Deal

Mon, 8 Sep - Tue, 16 Sep

2:45 p.m. - 5:12 a.m.SFO-YXU

11h 27m2 stops

6:00 a.m. - 11:54 a.m.YXU-SFO

8h 54m1 stop

C$ 512WestJet

Find Deal

Fri, 12 Sep - Fri, 19 Sep

6:05 p.m. - 5:12 a.m.SFO-YXU

8h 07m1 stop

6:00 a.m. - 11:54 a.m.YXU-SFO

8h 54m1 stop

C$ 513WestJet

Find Deal

Mon, 8 Sep - Tue, 16 Sep

6:15 a.m. - 9:17 a.m.SAN-YXU

24h 02m2 stops

6:15 a.m. - 3:50 p.m.YXU-SAN

12h 35m2 stops

C$ 763Air Canada

Find Deal

Wed, 20 Aug - Fri, 24 Oct

10:30 p.m. - 3:02 p.m.SAN-YXU

13h 32m2 stops

3:40 p.m. - 12:15 a.m.YXU-SAN

11h 35m2 stops

C$ 804United Airlines

Find Deal

Thu, 21 Aug - Fri, 24 Oct

2:05 p.m. - 5:12 a.m.SAN-YXU

12h 07m1 stop

6:00 a.m. - 1:20 p.m.YXU-SAN

10h 20m1 stop

C$ 808Delta

Find Deal

Sat, 13 Sep - Sat, 20 Sep

11:10 p.m. - 3:17 p.m.SFO-YXU

13h 07m2 stops

6:10 a.m. - 7:05 p.m.YXU-SFO

15h 55m2 stops

C$ 932United Airlines

Find Deal

Sun, 14 Sep - Sun, 21 Sep

WestJet flights from California to London, Ontario

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

WestJet

12 Sep

SFO2:45 p.m.San Francisco

11h 27m

2 stops

YXU5:12 a.m.London

19 Sep

YXU6:00 a.m.London

8h 54m

1 stop

SFO11:54 a.m.San Francisco

C$ 512

Find similar

WestJet

8 Sep

SFO6:05 p.m.San Francisco

8h 07m

1 stop

YXU5:12 a.m.London

16 Sep

YXU6:00 a.m.London

8h 54m

1 stop

SFO11:54 a.m.San Francisco

C$ 513

Find similar

WestJet

8 Sep

SFO6:05 p.m.San Francisco

8h 07m

1 stop

YXU5:12 a.m.London

16 Sep

YXU6:00 a.m.London

8h 54m

1 stop

SFO11:54 a.m.San Francisco

C$ 520

Find similar

United Airlines flights from California to London, Ontario

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

United Airlines

21 Aug

SAN10:30 p.m.San Diego

13h 32m

2 stops

YXU3:02 p.m.London

24 Oct

YXU3:40 p.m.London

11h 35m

2 stops

SAN12:15 a.m.San Diego

C$ 804

Find similar

United Airlines

14 Sep

SFO11:10 p.m.San Francisco

13h 07m

2 stops

YXU3:17 p.m.London

21 Sep

YXU6:10 a.m.London

15h 55m

2 stops

SFO7:05 p.m.San Francisco

C$ 932

Find similar

United Airlines

11 Sep

SFO12:43 a.m.San Francisco

17h 44m

2 stops

YXU9:27 p.m.London

19 Sep

YXU3:50 p.m.London

8h 03m

1 stop

SFO8:53 p.m.San Francisco

C$ 961

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 8/9

10:15 a.m.-5:12 a.m.

2 stops15h 57m

London

Tue 16/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 483

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Thu 18/9

10:15 a.m.-5:12 a.m.

2 stops15h 57m

London

Sun 21/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 499

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 8/9

10:15 a.m.-5:12 a.m.

2 stops15h 57m

London

Tue 16/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 503

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 8/9

10:15 a.m.-5:12 a.m.

2 stops15h 57m

London

Tue 16/9

8:00 p.m.-11:54 a.m.

1 stop18h 54m

C$ 509

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Fri 12/9

2:45 p.m.-5:12 a.m.

2 stops11h 27m

London

Fri 19/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 512

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Mon 8/9

6:05 p.m.-5:12 a.m.

1 stop8h 07m

London

Tue 16/9

6:00 a.m.-11:54 a.m.

1 stop8h 54m

C$ 513

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Wed 20/8

6:15 a.m.-9:17 a.m.

2 stops24h 02m

London

Fri 24/10

6:15 a.m.-3:50 p.m.

2 stops12h 35m

C$ 763

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Thu 21/8

10:30 p.m.-3:02 p.m.

2 stops13h 32m

London

Fri 24/10

3:40 p.m.-12:15 a.m.

2 stops11h 35m

C$ 804

San DiegoLondon

SAN - YXU

SANYXU

San Diego

Sat 13/9

2:05 p.m.-5:12 a.m.

1 stop12h 07m

London

Sat 20/9

6:00 a.m.-1:20 p.m.

1 stop10h 20m

C$ 808

San FranciscoLondon

SFO - YXU

SFOYXU

San Francisco

Sun 14/9

11:10 p.m.-3:17 p.m.

2 stops13h 07m

London

Sun 21/9

6:10 a.m.-7:05 p.m.

2 stops15h 55m

C$ 932

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 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 70% 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$ 401
Fastest flight time	8h 07m
Direct flights	None
Airports in London, Ontario	1 airport

The best one-way flight to London, Ontario from California in the past 72 hours is C$ 401. The best round-trip flight deal from California to London, Ontario found on momondo in the last 72 hours is C$ 483.

The fastest flight from California to London, Ontario takes 8h 07m

There are no direct flights from California to London, Ontario. Popular non-direct routes for this connection are San Francisco Airport - London Airport, San Diego Airport - London Airport and San Jose Airport - London Airport.

There is 1 airport near London, Ontario: London (YXU)

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.

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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.