Cheap flights from Toronto Island to San Francisco International

Compare Toronto Island to San Francisco International flight deals

Find the cheapest month or even day of the year to fly to San Francisco International

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Flight deals from Toronto Island to San Francisco International

Looking for a cheap last-minute deal or the best round-trip flight from Toronto Island Airport to San Francisco International Airport? If you want to travel next month, round-trip fares start from $422. Find the lowest prices on one-way and round-trip tickets right here.

San Francisco.$422 per passenger.Departing Wed, Jun 17, returning Tue, Jun 23.Round-trip flight with United.Outbound indirect flight with United, departing from Toronto Island on Wed, Jun 17, arriving in San Francisco International.Inbound indirect flight with United, departing from San Francisco International on Tue, Jun 23, arriving in Toronto Island.Price includes taxes and charges.From $422, select.

San Francisco.$451 per passenger.Departing Thu, May 28, returning Wed, Jun 3.Round-trip flight with United.Outbound indirect flight with United, departing from Toronto Island on Thu, May 28, arriving in San Francisco International.Inbound indirect flight with United, departing from San Francisco International on Wed, Jun 3, arriving in Toronto Island.Price includes taxes and charges.From $451, select.

San Francisco.$460 per passenger.Departing Thu, Aug 27, returning Sat, Aug 29.Round-trip flight with United.Outbound indirect flight with United, departing from Toronto Island on Thu, Aug 27, arriving in San Francisco International.Inbound indirect flight with United, departing from San Francisco International on Sat, Aug 29, arriving in Toronto Island.Price includes taxes and charges.From $460, select.

San Francisco.$461 per passenger.Departing Fri, Aug 28, returning Sat, Sep 5.Round-trip flight with United.Outbound indirect flight with United, departing from Toronto Island on Fri, Aug 28, arriving in San Francisco International.Inbound indirect flight with United, departing from San Francisco International on Sat, Sep 5, arriving in Toronto Island.Price includes taxes and charges.From $461, select.

San Francisco.$482 per passenger.Departing Tue, Jul 21, returning Mon, Jul 27.Round-trip flight with United.Outbound indirect flight with United, departing from Toronto Island on Tue, Jul 21, arriving in San Francisco International.Inbound indirect flight with United, departing from San Francisco International on Mon, Jul 27, arriving in Toronto Island.Price includes taxes and charges.From $482, select.

San Francisco.$514 per passenger.Departing Tue, Sep 15, returning Thu, Sep 17.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Toronto Island on Tue, Sep 15, arriving in San Francisco International.Inbound indirect flight with Air Canada, departing from San Francisco International on Thu, Sep 17, arriving in Toronto Island.Price includes taxes and charges.From $514, select.

San Francisco.$536 per passenger.Departing Tue, Jun 9, returning Sat, Jul 11.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Tue, Jun 9, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departing from San Francisco International on Sat, Jul 11, arriving in Toronto Island.Price includes taxes and charges.From $536, select.

San Francisco.$561 per passenger.Departing Wed, Jul 29, returning Tue, Aug 4.Round-trip flight with Porter Airlines and jetBlue.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Wed, Jul 29, arriving in San Francisco International.Inbound indirect flight with jetBlue, departing from San Francisco International on Tue, Aug 4, arriving in Toronto Island.Price includes taxes and charges.From $561, select.

San Francisco.$588 per passenger.Departing Thu, Jul 9, returning Tue, Sep 1.Round-trip flight with Porter Airlines and Alaska Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Thu, Jul 9, arriving in San Francisco International.Inbound indirect flight with Alaska Airlines, departing from San Francisco International on Tue, Sep 1, arriving in Toronto Island.Price includes taxes and charges.From $588, select.

San Francisco.$590 per passenger.Departing Fri, Dec 18, returning Mon, Dec 21.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Toronto Island on Fri, Dec 18, arriving in San Francisco International.Inbound indirect flight with Air Canada, departing from San Francisco International on Mon, Dec 21, arriving in Toronto Island.Price includes taxes and charges.From $590, select.

San Francisco.$646 per passenger.Departing Wed, Nov 4, returning Sun, Nov 15.Round-trip flight with Porter Airlines and Alaska Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Wed, Nov 4, arriving in San Francisco International.Inbound indirect flight with Alaska Airlines, departing from San Francisco International on Sun, Nov 15, arriving in Toronto Island.Price includes taxes and charges.From $646, select.

San Francisco.$658 per passenger.Departing Fri, Oct 16, returning Sun, Oct 25.Round-trip flight with Porter Airlines and Frontier Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Fri, Oct 16, arriving in San Francisco International.Inbound indirect flight with Frontier Airlines, departing from San Francisco International on Sun, Oct 25, arriving in Toronto Island.Price includes taxes and charges.From $658, select.

San Francisco.$671 per passenger.Departing Thu, May 28, returning Sat, May 30.Round-trip flight with Porter Airlines and jetBlue.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Thu, May 28, arriving in San Francisco International.Inbound indirect flight with jetBlue, departing from San Francisco International on Sat, May 30, arriving in Toronto Island.Price includes taxes and charges.From $671, select.

San Francisco.$681 per passenger.Departing Wed, Jun 17, returning Wed, Oct 7.Round-trip flight with Porter Airlines and jetBlue.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Wed, Jun 17, arriving in San Francisco International.Inbound indirect flight with jetBlue, departing from San Francisco International on Wed, Oct 7, arriving in Toronto Island.Price includes taxes and charges.From $681, select.

San Francisco.$690 per passenger.Departing Sat, Sep 12, returning Sun, Oct 4.Round-trip flight with Porter Airlines and Alaska Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Sat, Sep 12, arriving in San Francisco International.Inbound indirect flight with Alaska Airlines, departing from San Francisco International on Sun, Oct 4, arriving in Toronto Island.Price includes taxes and charges.From $690, select.

San Francisco.$718 per passenger.Departing Fri, Sep 25, returning Wed, Dec 16.Round-trip flight with Porter Airlines and Alaska Airlines.Outbound indirect flight with Porter Airlines, departing from Toronto Island on Fri, Sep 25, arriving in San Francisco International.Inbound indirect flight with Alaska Airlines, departing from San Francisco International on Wed, Dec 16, arriving in Toronto Island.Price includes taxes and charges.From $718, select.

Find the cheapest month to fly from Toronto Island to San Francisco International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Toronto Island to San Francisco International flights are currently cheapest in June.

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Toronto Island to San Francisco International: Alternative routes

Compare routes from Toronto Island to San Francisco below. You may find an airport to fly into that's cheaper, faster, or easier than San Francisco International.

Toronto to San Francisco: Flight information

The things to know before you go.

Cheapest flight found	$422
Cheapest month to fly	June

Finding cheap flights from Toronto Island to San Francisco International: Frequently asked questions

How much are round-trip flights from Toronto Island to San Francisco International?

The best price we found for a round-trip flight from Toronto Island to San Francisco International is $422. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Toronto Island to San Francisco International?

Currently, there are no airlines that fly direct from Toronto Island to San Francisco International. But we found flights with one or more stops from $422.

How many flights are there a week from Toronto Island to San Francisco International?

There are no flights flying from Toronto Island to San Francisco International, as of May 2026.

When is the cheapest time to fly from Toronto Island to San Francisco International?

The cheapest month to fly from Toronto Island to San Francisco International is usually June.

Which upcoming date is cheapest to fly from Toronto Island Airport to San Francisco International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Toronto Island Airport to San Francisco International Airport on Wednesday, June 17, 2026.

Can I get a direct flight from Toronto Island Airport to San Francisco International Airport?

No airlines currently offer direct flights between Toronto Island Airport and San Francisco International Airport. Most routes have one or more stops.

How can I find the best flight deal to San Francisco International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Francisco International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to San Francisco?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Francisco is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Toronto Island Airport to San Francisco International?

Currently, United offers the cheapest flight tickets to San Francisco International.

Flying from Billy Bishop Toronto City Airport (YTZ) to San Francisco International Airport (SFO): what you need to know

San Francisco's timezone is UTC-7, which makes San Francisco three hours behind Toronto.
Your YTZ to SFO flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're traveling internationally.
Flying during a peak time such as July? Public holidays and other popular seasons can mean longer queues at security. Play it safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

How to find the cheapest flights from Billy Bishop Toronto City Airport (YTZ) to San Francisco International Airport (SFO)

Currently, $198 is the cheapest price we've seen for a one-way Billy Bishop Toronto City Airport to San Francisco International Airport flight. The best price for a return plane ticket is $422. Bear in mind that fares could change due to demand when booking.
Don't wait until the last moment. You're more likely to get cheap tickets from YTZ to SFO if you book early. Airlines often have some great early bird rates.
If you're willing to be flexible with your trip dates, try using the 'Whole month' search function. It'll show you the cheapest price across every month when searching for a flight from Billy Bishop Toronto City Airport to San Francisco International Airport.
Snapping up cheap flights from YTZ to SFO is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know as soon as a new deal comes up.
Lock in the perfect flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Billy Bishop Toronto City Airport to San Francisco International Airport, use the 'Sort by' tool. You can also filter results by airline, arrival and departure times, and journey duration.

Handy information about Billy Bishop Toronto City Airport (YTZ)

Of the departures from Billy Bishop Toronto City Airport, 62.09% touch down on time at their destination.
Central Toronto to Billy Bishop Toronto City Airport is around 3 kilometers. Depending on traffic, it'll take you about 35 minutes to get there if you're driving, catching a cab or ride-sharing.
Taking public transport? Expect a trip time of around 40 minutes.
Get your break off to a hassle-free start by staying near YTZ. Whether you're boarding an early flight from Billy Bishop Toronto City Airport to San Francisco International Airport or just don't like being rushed, these stays are perfect:

Arriving at San Francisco International Airport (SFO)

If you're getting in on a late Billy Bishop Toronto City Airport to San Francisco International Airport flight, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and resting soon after at one of these accommodation options near SFO:
Say yes to new adventures by picking up a San Francisco International Airport rental car. Grab your wheels from Dollar, Thrifty or Hertz and explore beyond San Francisco's main sights.
For the best deal, book your ride from San Francisco International Airport about one week before your trip.

Getting from San Francisco International Airport (SFO) to central San Francisco

San Francisco International Airport is approximately 21 kilometers from central San Francisco. Driving there takes about 20 minutes.
Traveling by public transport takes around 45 minutes.

When to fly to San Francisco International Airport (SFO)

The quietest month for a flight from Billy Bishop Toronto City Airport to San Francisco International Airport is February, while August is the most popular. Choose the best time to go to San Francisco based on whether you prefer a more fast-paced or easygoing experience.
Before locking in your flight from Billy Bishop Toronto City Airport to San Francisco International Airport, consider the kind of weather you enjoy. September is the warmest month in San Francisco, with temperatures ranging from 12ºC (54ºF) to 22ºC (72ºF).
Look for cheap tickets from YTZ to SFO in January if you want to travel in cooler conditions. Temperatures are at their lowest around then, ranging between 6ºC (43ºF) and 16ºC (61ºF) on average.

Explore more of United States

San Francisco is always a good idea, but there are so many other corners of United States waiting to be discovered. Around 64 kilometers south-east of San Francisco, a visit to San Jose will keep you on the go. Don't miss top attractions like Winchester Mystery House, Rosicrucian Egyptian Museum and San Jose Museum of Art.
Fresno is another must-experience destination in United States and is around 257 kilometers south-east of San Francisco. No journey is complete without a visit to Forestiere Underground Gardens, Fresno Chaffee Zoo and Shinzen Japanese Garden.