Cheap flights from Toronto to Sonoma Valley

View AU$248 flight on Fri, 29 Aug. 2025Opens in a new window

Popular airlines from Toronto to Sonoma Valley

  • Delta

    Delta

  • Air Canada

    Air Canada

  • American Airlines

    American Airlines

  • WestJet

    WestJet

  • United

    United

  • Alaska Airlines

    Alaska Airlines

  • Porter Airlines

    Porter Airlines

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Cheap Flights from Toronto (YTO) to Sonoma Valley (OAK)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Wed, 27 Aug. - Wed, 3 Sep.
YKF
Kitchener
SFO
San Francisco
AU$461 Return, found 2 days ago
AU$461
Return
found 2 days ago
Select WestJet flight, departing Wed, 27 Aug. from Kitchener to San Francisco, returning Wed, 3 Sep., priced at AU$461 found 2 days ago
WestJet
Thu, 4 Sep. - Fri, 5 Sep.
YYZ
Toronto
SFO
San Francisco
AU$466 Return, found 1 day ago
AU$466
Return
found 1 day ago
Select WestJet flight, departing Thu, 4 Sep. from Toronto to San Francisco, returning Fri, 5 Sep., priced at AU$466 found 1 day ago
Delta
Thu, 4 Sep. - Fri, 5 Sep.
YYZ
Toronto
SFO
San Francisco
AU$506 Return, found 1 day ago
AU$506
Return
found 1 day ago
Select Delta flight, departing Thu, 4 Sep. from Toronto to San Francisco, returning Fri, 5 Sep., priced at AU$506 found 1 day ago
Air Canada
Tue, 21 Oct. - Wed, 22 Oct.
YYZ
Toronto
SFO
San Francisco
AU$521 Return, found 1 day ago
AU$521
Return
found 1 day ago
Select Air Canada flight, departing Tue, 21 Oct. from Toronto to San Francisco, returning Wed, 22 Oct., priced at AU$521 found 1 day ago
Alaska Airlines
Thu, 11 Sep. - Tue, 16 Sep.
YYZ
Toronto
SFO
San Francisco
AU$577 Return, found 5 days ago
AU$577
Return
found 5 days ago
Select Alaska Airlines flight, departing Thu, 11 Sep. from Toronto to San Francisco, returning Tue, 16 Sep., priced at AU$577 found 5 days ago
United
Fri, 22 Aug. - Mon, 1 Sep.
YYZ
Toronto
SFO
San Francisco
AU$956 Return, found 8 hours ago
AU$956
Return
found 8 hours ago
Select United flight, departing Fri, 22 Aug. from Toronto to San Francisco, returning Mon, 1 Sep., priced at AU$956 found 8 hours ago

Find the cheapest month to fly from Toronto (YTO) to San Francisco (SFO)

May is typically the cheapest month to fly

From AU$325 - AU$784 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.