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Cheap flights from London, Ontario to San Francisco Bay Area from C$ 268

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London, Ontario to San Francisco Bay Area departing on 24/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from London, Ontario to San Francisco Bay Area

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:15 a.m. - 10:53 a.m.YXU-SFO
7h 38m1 stop
Air Canada Logo
6:45 p.m. - 9:17 a.m.SFO-YXU
11h 32m2 stops
C$ 493Air Canada
Find Deal
Sun, 3 May - Thu, 7 May
United Airlines Logo
5:10 a.m. - 10:54 a.m.YXU-SFO
8h 44m1 stop
United Airlines Logo
6:00 a.m. - 9:21 p.m.SFO-YXU
12h 21m2 stops
C$ 516United Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
WestJet Logo
8:00 p.m. - 1:57 p.m.YXU-SFO
20h 57m2 stops
WestJet Logo
2:45 p.m. - 5:12 a.m.SFO-YXU
11h 27m2 stops
C$ 518WestJet
Find Deal
Sun, 3 May - Thu, 7 May
United Airlines Logo
5:40 p.m. - 9:36 a.m.YXU-SFO
18h 56m2 stops
United Airlines Logo
5:00 a.m. - 9:21 p.m.SFO-YXU
13h 21m2 stops
C$ 524United Airlines
Find Deal
Tue, 9 Dec - Tue, 16 Dec
WestJet Logo
8:00 p.m. - 9:24 p.m.YXU-SFO
28h 24m1 stop
WestJet Logo
7:30 a.m. - 7:07 p.m.SFO-YXU
8h 37m1 stop
C$ 528WestJet
Find Deal
Sun, 3 May - Thu, 7 May
Air Canada Logo
6:15 a.m. - 10:53 a.m.YXU-SFO
7h 38m1 stop
Air Canada Logo
4:15 p.m. - 9:17 a.m.SFO-YXU
14h 02m1 stop
C$ 544Air Canada
Find Deal
Sun, 3 May - Thu, 7 May
Air Canada Logo
5:10 a.m. - 10:54 a.m.YXU-SFO
8h 44m1 stop
Air Canada Logo
8:30 a.m. - 9:21 p.m.SFO-YXU
9h 51m1 stop
C$ 558Air Canada
Find Deal
Tue, 9 Dec - Tue, 16 Dec
Air Canada Logo
3:35 p.m. - 10:33 a.m.YXU-SFO
21h 58m2 stops
Air Canada Logo
6:45 p.m. - 9:17 a.m.SFO-YXU
11h 32m2 stops
C$ 569Air Canada
Find Deal
Sun, 3 May - Thu, 7 May
Air Canada Logo
9:25 a.m. - 3:25 p.m.YXU-SFO
9h 00m1 stop
Air Canada Logo
2:30 p.m. - 8:46 a.m.SFO-YXU
15h 16m1 stop
C$ 583Air Canada
Find Deal
Wed, 10 Dec - Wed, 17 Dec
WestJet Logo
8:00 p.m. - 1:57 p.m.YXU-SFO
20h 57m2 stops
WestJet Logo
7:30 a.m. - 7:07 p.m.SFO-YXU
8h 37m1 stop
C$ 607WestJet
Find Deal
Sun, 3 May - Thu, 7 May

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
3 May
YXU6:15 a.m.London
7h 38m
1 stop
SFO10:53 a.m.San Francisco
7 May
SFO6:45 p.m.San Francisco
11h 32m
2 stops
YXU9:17 a.m.London
C$ 493
Find similar
Air Canada
3 May
YXU6:15 a.m.London
7h 38m
1 stop
SFO10:53 a.m.San Francisco
7 May
SFO4:15 p.m.San Francisco
14h 02m
1 stop
YXU9:17 a.m.London
C$ 544
Find similar
Air Canada
9 Dec
YXU5:10 a.m.London
8h 44m
1 stop
SFO10:54 a.m.San Francisco
16 Dec
SFO8:30 a.m.San Francisco
9h 51m
1 stop
YXU9:21 p.m.London
C$ 558
Find similar

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
3 May
YXU8:00 p.m.London
20h 57m
2 stops
SFO1:57 p.m.San Francisco
7 May
SFO2:45 p.m.San Francisco
11h 27m
2 stops
YXU5:12 a.m.London
C$ 518
Find similar
WestJet
3 May
YXU8:00 p.m.London
28h 24m
1 stop
SFO9:24 p.m.San Francisco
7 May
SFO7:30 a.m.San Francisco
8h 37m
1 stop
YXU7:07 p.m.London
C$ 528
Find similar
WestJet
3 May
YXU8:00 p.m.London
20h 57m
2 stops
SFO1:57 p.m.San Francisco
7 May
SFO2:45 p.m.San Francisco
11h 27m
2 stops
YXU5:12 a.m.London
C$ 607
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from London, Ontario to San Francisco Bay Area that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 13 November 2025.
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

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 3/5

6:15 a.m.-10:53 a.m.

1 stop7h 38m

San Francisco

Thu 7/5

6:45 p.m.-9:17 a.m.

2 stops11h 32m

C$ 493

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 9/12

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

1 stop8h 44m

San Francisco

Tue 16/12

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

2 stops12h 21m

C$ 516

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 3/5

8:00 p.m.-1:57 p.m.

2 stops20h 57m

San Francisco

Thu 7/5

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

2 stops11h 27m

C$ 518

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 9/12

5:40 p.m.-9:36 a.m.

2 stops18h 56m

San Francisco

Tue 16/12

5:00 a.m.-9:21 p.m.

2 stops13h 21m

C$ 524

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 3/5

8:00 p.m.-9:24 p.m.

1 stop28h 24m

San Francisco

Thu 7/5

7:30 a.m.-7:07 p.m.

1 stop8h 37m

C$ 528

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 3/5

6:15 a.m.-10:53 a.m.

1 stop7h 38m

San Francisco

Thu 7/5

4:15 p.m.-9:17 a.m.

1 stop14h 02m

C$ 544

LondonSan Francisco

YXU - SFO

YXUSFO

London

Tue 9/12

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

1 stop8h 44m

San Francisco

Tue 16/12

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

1 stop9h 51m

C$ 558

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 3/5

3:35 p.m.-10:33 a.m.

2 stops21h 58m

San Francisco

Thu 7/5

6:45 p.m.-9:17 a.m.

2 stops11h 32m

C$ 569

LondonSan Francisco

YXU - SFO

YXUSFO

London

Wed 10/12

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

1 stop9h 00m

San Francisco

Wed 17/12

2:30 p.m.-8:46 a.m.

1 stop15h 16m

C$ 583

LondonSan Francisco

YXU - SFO

YXUSFO

London

Sun 3/5

8:00 p.m.-1:57 p.m.

2 stops20h 57m

San Francisco

Thu 7/5

7:30 a.m.-7:07 p.m.

1 stop8h 37m

C$ 607

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco Bay Area from

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

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

In general, August 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$ 259. If you aren’t able to travel during the month of August, then book flights to San Francisco Bay Area from London, Ontario during May instead. Flights to San Francisco Bay Area in May, while not as cheap as those in August, still average around C$ 374.

What is the cheapest day to depart on your flight to San Francisco Bay Area?

The cheapest day to depart on your flight to San Francisco Bay Area is on a Saturday when prices can be found for as low as C$ 508. This is often the case because there is less demand to fly during this day of the week. Flights from London, Ontario to San Francisco Bay Area on a Tuesday will generally be more expensive and average around C$ 674. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San Francisco Bay Area?

Our most recent data shows that the best time of day to fly to San Francisco Bay Area is at noon. Flights from London, Ontario to San Francisco Bay Area during this time can be as low as C$ 515. In the afternoon is when there is more demand to fly to San Francisco Bay Area, so prices are often more expensive at around C$ 637 per ticket.

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

Direct flights

None
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

  • 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 many operators does momondo search for flights from London Airport to San Francisco Bay Area?

  • 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?

Best airlines flying from London, Ontario to San Francisco Bay Area

Compare and see reviews for airlines that fly from London, Ontario to San Francisco Bay Area with momondo
Airline
Rating
Free Cancellation
Price
WestJetPriceFrom C$ 245Free CancellationRating
7.2
3,161 reviews
Search WestJet flights
Air CanadaPriceFrom C$ 309Free CancellationRating
7.1
10,448 reviews
Search Air Canada flights
United AirlinesPriceFrom C$ 353Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights

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.

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