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Cheap flights from Toronto Island Airport to San Francisco from C$ 255

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTZ — SFO
9 May — 16 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto Island to San Francisco

Enter your travel dates to find the best prices.

Cheapest flights from Toronto Island to San Francisco
Explore the most affordable flight options available from Toronto Island to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 April 2026.

Thu 7/512:30 p.m.
YTZ
-
SFO
1 stop11h 32m
Air Canada
Tue 12/58:05 a.m.
SFO
-
YTZ
1 stop10h 27m
Air Canada
Deal found 6/4C$ 480
Wed 6/512:30 p.m.
YTZ
-
SFO
1 stop11h 32m
Air Canada
Tue 12/58:05 a.m.
SFO
-
YTZ
1 stop10h 27m
Air Canada
Deal found 8/4C$ 487
Tue 21/412:30 p.m.
YTZ
-
SFO
1 stop11h 52m
Air Canada
Tue 5/58:05 a.m.
SFO
-
YTZ
1 stop10h 27m
Air Canada
Deal found 6/4C$ 520
Sat 2/512:30 p.m.
YTZ
-
SFO
1 stop11h 32m
Air Canada
Sat 9/58:05 a.m.
SFO
-
YTZ
1 stop10h 27m
Air Canada
Deal found 5/4C$ 545
Wed 27/512:30 p.m.
YTZ
-
SFO
1 stop11h 32m
Air Canada
Mon 1/610:38 p.m.
SFO
-
YTZ
1 stop8h 28m
Air Canada
Deal found 5/4C$ 548
Mon 4/53:35 p.m.
YTZ
-
SFO
2 stops13h 15m
Air Canada
Wed 13/58:05 a.m.
SFO
-
YTZ
1 stop10h 27m
Air Canada
Deal found 5/4C$ 549
Thu 7/512:30 p.m.
YTZ
-
SFO
1 stop11h 32m
Air Canada
Wed 13/58:05 a.m.
SFO
-
YTZ
1 stop10h 27m
Air Canada
Deal found 8/4C$ 551
Fri 29/56:10 p.m.
YTZ
-
SFO
2 stops17h 37m
United Airlines
Mon 1/67:45 p.m.
SFO
-
YTZ
2 stops11h 21m
United Airlines
Deal found 5/4C$ 559

Find flight deals from Toronto Island to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Toronto Island (YTZ) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 9 April 2026.

Round-trip from

C$ 480

One-way from

C$ 255

Popular in

December

Cheapest in

November

Average price

C$ 523
Air Canada
  • Air Canada
  • 7/5-12/5
  • 2 total stops
  • 21h 59m total
  • Toronto to San Francisco
Search Deals
Air Canada
  • Air Canada
  • 16/5
  • 1 total stop
  • 11h 32m total
  • Toronto to San Francisco
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 13 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto Island to San Francisco 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, Cheapflights users made 629,999 searches. Data last updated 9 April 2026.
Use the filters below to find and compare flights from Toronto Island Airport to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Fri 29/5

6:10 p.m.-8:47 a.m.

2 stops17h 37m

San Francisco

Mon 1/6

6:34 p.m.-10:06 a.m.

1 stop12h 32m

C$ 559

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 3/6

12:15 p.m.-6:49 p.m.

1 stop9h 34m

San Francisco

Tue 9/6

8:55 p.m.-10:06 a.m.

2 stops10h 11m

C$ 582

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Fri 24/7

7:20 p.m.-1:57 a.m.

1 stop9h 37m

San Francisco

Fri 31/7

11:30 p.m.-10:06 a.m.

1 stop7h 36m

C$ 631

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 5/5

2:20 p.m.-10:43 p.m.

2 stops11h 23m

San Francisco

Sat 9/5

5:30 a.m.-8:09 p.m.

2 stops11h 39m

C$ 634

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 3/6

2:55 p.m.-1:15 a.m.

1 stop13h 20m

San Francisco

Tue 16/6

5:05 a.m.-4:41 p.m.

1 stop8h 36m

C$ 636

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 4/6

7:20 p.m.-1:42 a.m.

1 stop9h 22m

San Francisco

Tue 16/6

5:05 a.m.-4:41 p.m.

1 stop8h 36m

C$ 636

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Tue 5/5

7:25 a.m.-5:12 p.m.

2 stops12h 47m

San Francisco

Sun 10/5

10:35 p.m.-11:39 a.m.

2 stops10h 04m

C$ 647

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Wed 6/5

7:25 a.m.-5:12 p.m.

2 stops12h 47m

San Francisco

Sun 10/5

10:35 p.m.-11:39 a.m.

2 stops10h 04m

C$ 652

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Fri 3/7

7:20 p.m.-1:57 a.m.

1 stop9h 37m

San Francisco

Mon 6/7

10:38 p.m.-10:06 a.m.

1 stop8h 28m

C$ 653

TorontoSan Francisco

YTZ - SFO

YTZSFO

Toronto Island

Thu 18/6

12:15 p.m.-7:24 p.m.

1 stop10h 09m

San Francisco

Mon 22/6

8:55 p.m.-10:06 a.m.

2 stops10h 11m

C$ 656

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

Best time to book a flight from Toronto Island to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Toronto Island with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 9 April 2026.
Check out reviews from past customers who have flown with Air Canada from Toronto Island Airport to San Francisco to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,915 reviews
Check prices

Boarding

7.3

Crew

7.8

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Sugith,Jan 2026

YYZ - YSB

8 am flight cancelled at 2 am. Rebooked next day. Had to pay to rebook myself on Porter to leave same day.
Air Canada
7.1
Good
10,915 reviews
Air Canada
7.1
Good
10,915 reviews
Check prices

Boarding

7.3

Crew

7.8

Comfort

7.1

Entertainment

6.8

Food

6.3

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Sugith,Jan 2026

YYZ - YSB

8 am flight cancelled at 2 am. Rebooked next day. Had to pay to rebook myself on Porter to leave same day.

Related info for your journey

Find useful and relevant information for your journey from Toronto Island to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Toronto Island?

    If you book a flight to San Francisco from Toronto Island, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 17.7 km from the centre of San Francisco. There are 0 flights from Toronto Island to San Francisco per day from 1 airline.

  • How long is the flight from Toronto Island Airport to San Francisco?

    Airlines like United Airlines fly from Toronto Island Airport to San Francisco in about 17h 37m. The time it takes to get you to your destination can typically vary by up to . Toronto Island Airport and San Francisco are separated by a distance of 3644 km.

  • What is the cheapest airline to fly from Toronto Island Airport to San Francisco round-trip?

    Currently priced at C$ 429, Air Canada will fly you from Toronto Island Airport to San Francisco and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip.

  • Can I find deals for flights from Toronto Island to San Francisco that include hotel bookings?

    Yes. In addition to deals on Toronto Island to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto Island to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto Island to San Francisco.

  • Can I find deals for business class flights from Toronto Island to San Francisco?

    Yes. Cheapflights offers flight deals from Toronto Island to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
San Bruno
Burlingame
Roseville
Livermore
South San Francisco
Novato
Santa Clara
Vallejo

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Top airline flying from Toronto Island to San Francisco

Discover the top airline that operate flights from Toronto Island to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 9 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 429AverageC$ 593FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto Island to San Francisco?

Cheapflights makes it easy to find Toronto Island to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Toronto Island to San Francisco?

Cheapflights simply makes it quick and affordable to book flights from Toronto Island to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Toronto Island to San Francisco with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Toronto Island to San Francisco, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Toronto Island to San Francisco become cheaper?

Of course! You can now track prices for flights from Toronto Island to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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