CA $231 Cheap United fights from San Francisco (SFO) to Toronto (YYZ)

View CA $231 flight on Tue, Mar. 25, 2025Opens in a new window

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United flights from San Francisco to Toronto (SFO→YYZ)

Prices were available within the past 7 days and start at CA $231 for one-way flights and CA $507 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue., Mar. 25 - Thu., Apr. 10
SFO
San Francisco
YYZ
Toronto
CA $507 Roundtrip, just found
CA $507
Roundtrip
just found
Select United flight, departing Tue., Mar. 25 from San Francisco to Toronto, returning Thu., Apr. 10, priced at CA $507 just found
United
Tue., Mar. 25 - Thu., Apr. 10
SFO
San Francisco
YYZ
Toronto
CA $533 Roundtrip, just found
CA $533
Roundtrip
just found
Select United flight, departing Tue., Mar. 25 from San Francisco to Toronto, returning Thu., Apr. 10, priced at CA $533 just found
*Available to Expedia members.