Cheap flights from Toronto to San Francisco

One-way fares from $259 · YTO → SFO · prices found by travellers in the last 48 hours

Compare all dates San Francisco → Toronto
Cheapest fare
$259

Porter Airlines Canada · Wed, Nov 18

Cheapest month
November

from $259

Direct flights
Yes

Porter Airlines Canada and United Airlines

Flight time
5h 54m

3,640 km

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Cheapest month to fly from Toronto to San Francisco

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 Cheapest $259
  2. December 2026 $379
  3. January 2027 $321
  4. March 2027 $260

Cheapest dates in November 2026

The lowest fares we've seen for each day, cheapest first.

Porter Airlines Canada
Depart09:50 Wed, Nov 18YYZ → SFO 5h 54m · Direct
$259one way, per person
View deal
Alaska Airlines
Depart17:15 Mon, Nov 16YYZ → SFO 7h 42m · 1 stop
$288one way, per person
View deal
United Airlines
Depart06:45 Tue, Nov 10YYZ → SJC 8h 17m · Direct
$289one way, per person
View deal
United Airlines
Depart06:45 Sat, Nov 7YYZ → SJC 8h 17m · Direct
$299one way, per person
View deal
See every date in November 2026 →

Plan the rest of your trip to San Francisco

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in San FranciscoCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in San FranciscoTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in San FranciscoPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in San FranciscoCompare rental cars from major brands on EconomyBookings Compare cars →

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About flights from Toronto to San Francisco

Toronto (YTO) and San Francisco (SFO) are about 3,640 km apart. Direct flights take around 5h 54m, and recent direct fares were with Porter Airlines Canada and United Airlines. Over the next few months, one-way fares start from $259, and November 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Toronto to San Francisco?

The cheapest one-way fare we've seen recently is $259 with Porter Airlines Canada, departing Wednesday, November 18, 2026. Over the coming months, the lowest fare in each month ranges from $259 to $379.

What is the cheapest month to fly from Toronto to San Francisco?

November 2026 currently has the lowest fares, from $259 one way.

Are there direct flights from Toronto to San Francisco?

Yes. Recent direct fares were with Porter Airlines Canada and United Airlines.

How long is the flight from Toronto to San Francisco?

A direct flight takes about 5h 54m. Toronto and San Francisco are around 3,640 km apart.

Which airlines fly from Toronto to San Francisco?

Recent fares on this route were with Porter Airlines Canada, Air Canada, Alaska Airlines and United Airlines.

More cheap flights from Toronto

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