What is the cheapest airline that flies from London to San Francisco Bay Area?

Air Canada, WestJet, and Delta are the most popular carriers operating from London to San Francisco Bay Area

Which airlines fly to San Francisco Bay Area?

Porter Airlines, Air Canada and United Airlines are the top three most popular airlines that fly to San Francisco Bay Area from London, Ontario 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 San Francisco Bay Area. Keep in mind that there are 8 different airlines that fly to San Francisco Bay Area on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from London Airport to San Francisco Bay Area?

Prices for flights from London Airport to San Francisco Bay Area were last updated today.

How old do you have to be to fly from London Airport to San Francisco Bay Area?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to San Francisco Bay Area.

What documentation or ID do you need to fly to San Francisco Bay Area?

The necessary travel and health documents for your San Francisco Bay Area trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 234 Cheap Flights from London, Ontario to San Francisco Bay Area in 2026

Find the cheapest flights from London, Ontario to San Francisco Bay Area

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

8h 50m1 stop Calgary

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

7h 45m1 stop Calgary

C$ 349WestJet

Tue, 22 Sep - Thu, 1 Oct

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

8h 50m1 stop Calgary

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

8h 15m1 stop Calgary

C$ 349WestJet

Tue, 22 Sep - Wed, 30 Sep

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

8h 50m1 stop Calgary

1:00 p.m. - 5:20 a.m.SFO San Francisco-YXU London

13h 20m1 stop Calgary

C$ 393WestJet

Tue, 22 Sep - Sat, 3 Oct

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

8h 50m1 stop Calgary

1:00 p.m. - 5:20 a.m.SFO San Francisco-YXU London

13h 20m1 stop Calgary

C$ 393WestJet

Tue, 22 Sep - Fri, 2 Oct

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

8h 50m1 stop Calgary

1:00 p.m. - 5:20 a.m.SFO San Francisco-YXU London

13h 20m1 stop Calgary

C$ 393WestJet

Tue, 22 Sep - Tue, 6 Oct

9:15 a.m. - 3:40 p.m.YXU London-SFO San Francisco

9h 25m1 stop Toronto Pearson Intl

8:25 a.m. - 7:52 p.m.SFO San Francisco-YXU London

8h 27m1 stop Toronto Pearson Intl

C$ 408Air Canada

Thu, 29 Oct - Sat, 31 Oct

3:25 p.m. - 9:30 p.m.YXU London-SFO San Francisco

9h 05m1 stop Toronto Pearson Intl

8:25 a.m. - 7:52 p.m.SFO San Francisco-YXU London

8h 27m1 stop Toronto Pearson Intl

C$ 425Air Canada

Thu, 29 Oct - Sat, 31 Oct

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

8h 50m1 stop Calgary

4:21 p.m. - 5:20 a.m.SFO San Francisco-YXU London

33h 59m2 stops San Diego Calgary

C$ 430Multiple Airlines

Tue, 22 Sep - Mon, 5 Oct

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

21h 05m1 stop Calgary

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

20h 20m1 stop Calgary

C$ 436WestJet

Fri, 2 Oct - Tue, 6 Oct

6:20 p.m. - 11:04 p.m.YXU London-SFO San Francisco

7h 44m1 stop Toronto Pearson Intl

8:30 a.m. - 7:40 p.m.SFO San Francisco-YXU London

8h 10m1 stop Toronto Pearson Intl

C$ 450Air Canada

Mon, 21 Sep - Tue, 6 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

3:30 p.m. - 8:59 p.m.YXU London-SFO San Francisco

8h 29m1 stop Toronto Pearson Intl

4:40 p.m. - 9:20 a.m.SFO San Francisco-YXU London

13h 40m1 stop Toronto Pearson Intl

C$ 488Air Canada

Thu, 10 Sep - Mon, 14 Sep

5:40 a.m. - 12:34 p.m.YXU London-SFO San Francisco

9h 54m1 stop Toronto Pearson Intl

12:05 a.m. - 5:43 p.m.SFO San Francisco-YXU London

14h 38m1 stop Toronto Pearson Intl

C$ 488Air Canada

Thu, 10 Sep - Sat, 12 Sep

5:40 a.m. - 10:44 a.m.YXU London-SFO San Francisco

8h 04m1 stop Toronto Pearson Intl

4:40 p.m. - 9:20 a.m.SFO San Francisco-YXU London

13h 40m1 stop Toronto Pearson Intl

C$ 488Air Canada

Fri, 11 Sep - Mon, 14 Sep

5:40 a.m. - 10:44 a.m.YXU London-SFO San Francisco

8h 04m1 stop Toronto Pearson Intl

5:00 a.m. - 5:43 p.m.SFO San Francisco-YXU London

9h 43m2 stops Denver Intl Toronto Pearson Intl

C$ 614Air Canada

Thu, 10 Sep - Sun, 13 Sep

3:30 p.m. - 12:30 a.m.YXU London-SFO San Francisco

12h 00m2 stops Toronto Pearson Intl Chicago O'Hare Intl

10:51 p.m. - 9:20 a.m.SFO San Francisco-YXU London

7h 29m1 stop Toronto Pearson Intl

C$ 623Air Canada

Fri, 11 Sep - Mon, 14 Sep

5:40 a.m. - 10:44 a.m.YXU London-SFO San Francisco

8h 04m1 stop Toronto Pearson Intl

5:00 a.m. - 5:43 p.m.SFO San Francisco-YXU London

9h 43m2 stops Denver Intl Toronto Pearson Intl

C$ 1,036Air Canada

Thu, 10 Sep - Mon, 14 Sep

5:40 a.m. - 10:55 p.m.YXU London-SFO San Francisco

20h 15m2 stops Toronto Pearson Intl Los Angeles

5:00 a.m. - 5:43 p.m.SFO San Francisco-YXU London

9h 43m2 stops Denver Intl Toronto Pearson Intl

C$ 1,655Multiple Airlines

Thu, 10 Sep - Sun, 13 Sep

5:40 a.m. - 10:55 p.m.YXU London-SFO San Francisco

20h 15m2 stops Toronto Pearson Intl Los Angeles

5:00 a.m. - 5:43 p.m.SFO San Francisco-YXU London

9h 43m2 stops Denver Intl Toronto Pearson Intl

C$ 2,077Multiple Airlines

Fri, 11 Sep - Mon, 14 Sep

5:40 a.m. - 10:55 p.m.YXU London-SFO San Francisco

20h 15m2 stops Toronto Pearson Intl Los Angeles

5:00 a.m. - 5:43 p.m.SFO San Francisco-YXU London

9h 43m2 stops Denver Intl Toronto Pearson Intl

C$ 2,077Multiple Airlines

Thu, 10 Sep - Mon, 14 Sep

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Air Canada flights from London, Ontario to San Francisco Bay Area

Our best Air Canada deals on London, Ontario to San Francisco Bay Area flight tickets

Air Canada

29 Oct

YXU9:15 a.m.London

9h 25m

1 stop

SFO3:40 p.m.San Francisco

31 Oct

SFO8:25 a.m.San Francisco

8h 27m

1 stop

YXU7:52 p.m.London

C$ 408

Air Canada

29 Oct

YXU3:25 p.m.London

9h 05m

1 stop

SFO9:30 p.m.San Francisco

31 Oct

SFO8:25 a.m.San Francisco

8h 27m

1 stop

YXU7:52 p.m.London

C$ 425

Air Canada

21 Sep

YXU6:20 p.m.London

7h 44m

1 stop

SFO11:04 p.m.San Francisco

6 Oct

SFO8:30 a.m.San Francisco

8h 10m

1 stop

YXU7:40 p.m.London

C$ 450

WestJet flights from London, Ontario to San Francisco Bay Area

Our best WestJet deals on London, Ontario to San Francisco Bay Area flight tickets

WestJet

22 Sep

YXU6:10 a.m.London

8h 50m

1 stop

SFO12:00 p.m.San Francisco

1 Oct

SFO6:00 a.m.San Francisco

7h 45m

1 stop

YXU4:45 p.m.London

C$ 349

WestJet

22 Sep

YXU6:10 a.m.London

8h 50m

1 stop

SFO12:00 p.m.San Francisco

3 Oct

SFO1:00 p.m.San Francisco

13h 20m

1 stop

YXU5:20 a.m.London

C$ 393

WestJet

23 Sep

YXU6:10 a.m.London

8h 50m

1 stop

SFO12:00 p.m.San Francisco

30 Sep

SFO6:05 p.m.San Francisco

8h 15m

1 stop

YXU5:20 a.m.London

C$ 457

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to San Francisco Bay Area that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Tue 22/9

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

1 stop8h 50m

San Francisco

Thu 1/10

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

1 stop7h 45m

C$ 349

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Tue 22/9

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

1 stop8h 50m

San Francisco

Wed 30/9

6:05 p.m.-5:20 a.m.

1 stop8h 15m

C$ 349

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Tue 22/9

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

1 stop8h 50m

San Francisco

Sat 3/10

1:00 p.m.-5:20 a.m.

1 stop13h 20m

C$ 393

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Tue 22/9

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

1 stop8h 50m

San Francisco

Fri 2/10

1:00 p.m.-5:20 a.m.

1 stop13h 20m

C$ 393

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Tue 22/9

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

1 stop8h 50m

San Francisco

Tue 6/10

1:00 p.m.-5:20 a.m.

1 stop13h 20m

C$ 393

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Thu 29/10

9:15 a.m.-3:40 p.m.

1 stop9h 25m

San Francisco

Sat 31/10

8:25 a.m.-7:52 p.m.

1 stop8h 27m

C$ 408

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Thu 29/10

3:25 p.m.-9:30 p.m.

1 stop9h 05m

San Francisco

Sat 31/10

8:25 a.m.-7:52 p.m.

1 stop8h 27m

C$ 425

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Tue 22/9

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

1 stop8h 50m

San Francisco

Mon 5/10

4:21 p.m.-5:20 a.m.

2 stops33h 59m

C$ 430

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Fri 2/10

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

1 stop21h 05m

San Francisco

Tue 6/10

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

1 stop20h 20m

C$ 436

Quickest round-trip

LondonSan Francisco

YXU London - SFO San Francisco

YXUSFO

London

Mon 21/9

6:20 p.m.-11:04 p.m.

1 stop7h 44m

San Francisco

Tue 6/10

8:30 a.m.-7:40 p.m.

1 stop8h 10m

C$ 450

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 London, Ontario to San Francisco Bay Area

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

What is the cheapest month to fly to San Francisco Bay Area?

In general, February is the cheapest month to fly from London, Ontario to San Francisco Bay Area. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 0. If you aren’t able to travel during the month of February, then book flights to San Francisco Bay Area from London, Ontario during January instead. Flights to San Francisco Bay Area in January, while not as cheap as those in February, still average around C$ 418.

Can stopping save me money on London, Ontario to San Francisco Bay Area flights?

No. A direct flight is the cheapest option for a flight between London, Ontario to San Francisco Bay Area.

Cheap London, Ontario to San Francisco Bay Area flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to San Francisco Bay Area

Best price found	C$ 234
Fastest flight time	9h 25m
Direct flights	None

The best one-way flight to San Francisco Bay Area from London, Ontario in the past 72 hours is C$ 234. The best round-trip flight deal from London, Ontario to San Francisco Bay Area found on momondo in the last 72 hours is C$ 349.

The fastest flight from London, Ontario to San Francisco Bay Area takes 9h 25m

There are no direct flights from London, Ontario to San Francisco Bay Area. There are no popular flight routes from London, Ontario to San Francisco Bay Area.

Search flight deals

Frequently asked questions about flying from London, Ontario to San Francisco Bay Area

When did momondo last update prices for flights from London Airport to San Francisco Bay Area?
Prices for flights from London Airport to San Francisco Bay Area were last updated today.
How old do you have to be to fly from London Airport to San Francisco Bay Area?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to San Francisco Bay Area.
What documentation or ID do you need to fly to San Francisco Bay Area?
The necessary travel and health documents for your San Francisco Bay Area trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London, Ontario to San Francisco Bay Area?
momondo data reveals that the most frequently booked plane model on the route from London, Ontario to San Francisco Bay Area is Boeing 737 MAX 8, representing 52.94% of all bookings. The subsequent popular models are Embraer 195 E2 at 27.49%, Boeing 737-700 Passenger/BBJ1 (winglets) at 4.75%, and Boeing 737-800 Passenger/BBJ2 (winglets) at 4.10%.

Why use momondo?

Why should I use momondo to find a flight deal from London to San Francisco Bay Area?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to San Francisco Bay Area . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to San Francisco Bay Area with flexible booking policies on momondo?

All flight searches from London to San Francisco Bay Area on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to San Francisco Bay Area?

momondo helps you find the best flight between London and San Francisco Bay Area by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from London to San Francisco Bay Area right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to San Francisco Bay Area from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.