What is the cheapest airline that flies from Toronto Island to San Francisco?

Porter Airlines and United Airlines are the most popular carriers operating from Toronto Island to San Francisco

When did momondo last update prices for flights from Toronto Island Airport to San Francisco Airport?

Prices for flights from Toronto Island Airport to San Francisco Airport are updated daily.

How many operators does momondo search for flights from Toronto Island Airport to San Francisco Airport?

As of September 2026, there is 1 operator available to choose from for flights from Toronto Island Airport to San Francisco Airport.

How old do you have to be to fly from Toronto Island Airport to San Francisco 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 Toronto Island Airport to San Francisco Airport.

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

The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

C$ 272 Cheap Flights from Toronto Island Airport to San Francisco in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Toronto Island Airport to San Francisco

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 441Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 447Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 449Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 450Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 453Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 460Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 463Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 7:50 p.m.SFO San Francisco-YTZ Toronto Island

8h 40m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 465Air Canada

Thu, 15 Oct - Wed, 21 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

7:25 p.m. - 2:25 p.m.SFO San Francisco-YTZ Toronto Island

16h 00m2 stops Los Angeles Chicago O'Hare Intl

C$ 520Multiple Airlines

Thu, 15 Oct - Wed, 21 Oct

12:05 p.m. - 9:26 p.m.YTZ Toronto Island-SFO San Francisco

12h 21m2 stops Chicago O'Hare Intl Los Angeles

12:15 a.m. - 4:42 p.m.SFO San Francisco-YTZ Toronto Island

13h 27m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

C$ 547United Airlines

Tue, 8 Dec - Tue, 8 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 568Air Canada

Thu, 24 Sep - Mon, 5 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 568Air Canada

Wed, 23 Sep - Mon, 5 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 570Air Canada

Sat, 26 Sep - Tue, 6 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 570Air Canada

Wed, 23 Sep - Tue, 6 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 570Air Canada

Fri, 25 Sep - Tue, 6 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 9:30 p.m.SFO San Francisco-YTZ Toronto Island

10h 20m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 570Air Canada

Thu, 24 Sep - Tue, 6 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 7:50 p.m.SFO San Francisco-YTZ Toronto Island

8h 40m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 572Air Canada

Wed, 23 Sep - Wed, 7 Oct

12:30 p.m. - 8:47 p.m.YTZ Toronto Island-SFO San Francisco

11h 17m1 stop Montreal Pierre Elliott Trudeau Intl

8:10 a.m. - 7:50 p.m.SFO San Francisco-YTZ Toronto Island

8h 40m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 572Air Canada

Thu, 24 Sep - Wed, 7 Oct

3:15 p.m. - 9:26 p.m.YTZ Toronto Island-SFO San Francisco

9h 11m1 stop Washington, D.C. Dulles Intl

9:24 p.m. - 4:42 p.m.SFO San Francisco-YTZ Toronto Island

16h 18m2 stops Denver Intl Chicago O'Hare Intl

C$ 772United Airlines

Thu, 24 Sep - Sun, 25 Oct

3:15 p.m. - 9:26 p.m.YTZ Toronto Island-SFO San Francisco

9h 11m1 stop Washington, D.C. Dulles Intl

5:00 a.m. - 4:48 p.m.SFO San Francisco-YTZ Toronto Island

8h 48m1 stop Chicago O'Hare Intl

C$ 772United Airlines

Thu, 24 Sep - Fri, 23 Oct

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Air Canada flights from Toronto Island Airport to San Francisco

Our best Air Canada deals on Toronto Island Airport to San Francisco flight tickets

Air Canada

15 Oct

YTZ12:30 p.m.Toronto Island

11h 17m

1 stop

SFO8:47 p.m.San Francisco

21 Oct

SFO8:10 a.m.San Francisco

10h 20m

1 stop

YTZ9:30 p.m.Toronto Island

C$ 441

Air Canada

15 Oct

YTZ12:30 p.m.Toronto Island

11h 17m

1 stop

SFO8:47 p.m.San Francisco

21 Oct

SFO8:10 a.m.San Francisco

10h 20m

1 stop

YTZ9:30 p.m.Toronto Island

C$ 447

Air Canada

15 Oct

YTZ12:30 p.m.Toronto Island

11h 17m

1 stop

SFO8:47 p.m.San Francisco

21 Oct

SFO8:10 a.m.San Francisco

10h 20m

1 stop

YTZ9:30 p.m.Toronto Island

C$ 448

United Airlines flights from Toronto Island Airport to San Francisco

Our best United Airlines deals on Toronto Island Airport to San Francisco flight tickets

United Airlines

8 Dec

YTZ12:05 p.m.Toronto Island

12h 21m

2 stops

SFO9:26 p.m.San Francisco

8 Dec

SFO12:15 a.m.San Francisco

13h 27m

2 stops

YTZ4:42 p.m.Toronto Island

C$ 547

United Airlines

10 Oct

YTZ3:15 p.m.Toronto Island

9h 11m

1 stop

SFO9:26 p.m.San Francisco

10 Oct

SFO12:35 a.m.San Francisco

13h 13m

1 stop

YTZ4:48 p.m.Toronto Island

C$ 548

United Airlines

6 Nov

YTZ3:20 p.m.Toronto Island

13h 09m

1 stop

SFO1:29 a.m.San Francisco

13 Nov

SFO11:20 p.m.San Francisco

16h 37m

1 stop

YTZ6:57 p.m.Toronto Island

C$ 554

momondo Fare Finder

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 Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-9:30 p.m.

1 stop10h 20m

C$ 441

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-9:30 p.m.

1 stop10h 20m

C$ 447

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-9:30 p.m.

1 stop10h 20m

C$ 448

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-9:30 p.m.

1 stop10h 20m

C$ 450

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-9:30 p.m.

1 stop10h 20m

C$ 453

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-9:30 p.m.

1 stop10h 20m

C$ 460

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-9:30 p.m.

1 stop10h 20m

C$ 463

Quickest round-trip

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

8:10 a.m.-7:50 p.m.

1 stop8h 40m

C$ 465

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Thu 15/10

12:30 p.m.-8:47 p.m.

1 stop11h 17m

San Francisco

Wed 21/10

7:25 p.m.-2:25 p.m.

2 stops16h 00m

C$ 520

TorontoSan Francisco

YTZ Toronto Island - SFO San Francisco

YTZSFO

Toronto Island

Tue 8/12

12:05 p.m.-9:26 p.m.

2 stops12h 21m

San Francisco

Tue 8/12

12:15 a.m.-4:42 p.m.

2 stops13h 27m

C$ 547

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 Toronto Island Airport to San Francisco

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?

The cheapest month to fly to San Francisco from Toronto Island Airport is in March. Flight prices, which tend to average around C$ 0, are often lower during this time because this is during the off-season. The month of July is another great option to travel to San Francisco, with average flight prices from Toronto Island Airport averaging around C$ 528.

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

The cheapest day to depart from Toronto Island Airport to San Francisco is on a Thursday. Travellers who choose to depart for San Francisco on a Thursday will often find tickets for as low as C$ 721. On the other hand, Sunday is the most expensive day to depart from Toronto Island Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,157.

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

Flying to San Francisco from Toronto Island Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as C$ 703 when looking at flights departing in the morning. In contrast, the most expensive time of day to depart to San Francisco is in the afternoon when prices are around C$ 1,358.

When to book flights from Toronto Island Airport to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Toronto Island Airport to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Toronto Island Airport to San Francisco (YTZ to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Toronto Island Airport to San Francisco

Best price found	C$ 272
Fastest flight time	8h 41m
Direct flights	None

The best one-way flight to San Francisco from Toronto Island Airport in the past 72 hours is C$ 272. The best round-trip flight deal from Toronto Island Airport to San Francisco found on momondo in the last 72 hours is C$ 441.

The fastest flight from Toronto Island Airport to San Francisco takes 8h 41m

There are no direct flights from Toronto Island Airport to San Francisco. There are no popular flight routes from Toronto Island Airport to San Francisco.

Search flight deals

Frequently asked questions about flying from Toronto Island Airport to San Francisco

How far is Toronto Island to San Francisco by plane?
There are 3638.6 km between Toronto Island and San Francisco. By plane, this route typically takes 8h 41m.
When did momondo last update prices for flights from Toronto Island Airport to San Francisco Airport?
Prices for flights from Toronto Island Airport to San Francisco Airport are updated daily.
How many operators does momondo search for flights from Toronto Island Airport to San Francisco Airport?
As of September 2026, there is 1 operator available to choose from for flights from Toronto Island Airport to San Francisco Airport.
How old do you have to be to fly from Toronto Island Airport to San Francisco 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 Toronto Island Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents you'll need for your trip to San Francisco Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Francisco Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Toronto Island Airport to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Toronto Island Airport to San Francisco is Air Canada, representing 100% of all bookings.

Best airlines flying from Toronto Island Airport to San Francisco

Compare and see reviews for airlines that fly from Toronto Island Airport to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Air Canada	PriceFrom C$ 491	Free Cancellation	Rating 7.1 11,661 reviews		Search Air Canada flights

Sonoma

San Mateo

Lodi

Santa Cruz

South San Francisco

Palo Alto

Pacific Grove

Fremont

Turlock

Alameda

Milpitas

Belmont

Yountville

Cupertino

Pleasant Hill

Mountain View

Burlingame

Woodland

Los Banos

Roseville

Why use momondo?

Why should I use momondo to find a flight deal from Toronto to San Francisco?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Toronto to San Francisco for you.

Can I find flights from Toronto to San Francisco with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Toronto to San Francisco flights to just show those with flexible booking policies.

How can momondo help me find flights from Toronto to San Francisco?

momondo provides multiple filters to help you find the best flight to San Francisco from Toronto. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Toronto to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 22/10

Thu 29/10

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Toronto Island Airport

Complete your trip

Feeling lucky

Cheap flights from Toronto Island Airport to San Francisco from C$ 272

Find the cheapest flights from Toronto Island Airport to San Francisco

Cheap round-trip flights

Cheap one-way flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Air Canada flights from Toronto Island Airport to San Francisco

Our best Air Canada deals on Toronto Island Airport to San Francisco flight tickets

United Airlines flights from Toronto Island Airport to San Francisco

Our best United Airlines deals on Toronto Island Airport to San Francisco flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Toronto Island Airport to San Francisco that are best for you.

See travel insights to San Francisco from

How to get the cheapest flight ticket from Toronto Island Airport to San Francisco

What is the cheapest month to fly to San Francisco?

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

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

What is the cheapest airline that flies from Toronto Island to San Francisco?

When to book flights from Toronto Island Airport to San Francisco

Cheap Toronto Island Airport to San Francisco (YTZ to SFO) flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from Toronto Island Airport to San Francisco

Best airlines flying from Toronto Island Airport to San Francisco

Compare and see reviews for airlines that fly from Toronto Island Airport to San Francisco with momondo

Travelling to a place near San Francisco?

Why use momondo?

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favourite airline to San Francisco

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to San Francisco

List of cabin classes available on flights landing in San Francisco. Availability may vary depending on flight origin and airline.

Popular Cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Toronto Island Airport

According to popular flight searches on momondo this year

Complete your trip to San Francisco

Explore popular destinations other users love

According to popular flight searches on momondo this year