Cheap flights from Boston to Sonoma Valley

View AU$130 flight on Sat, 20 Sep. 2025Opens in a new window

Popular airlines from Boston to Sonoma Valley

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Boston (BOS) 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.

Alaska Airlines
Sat, 6 Sep. - Sat, 13 Sep.
BOS
Boston
SFO
San Francisco
AU$359 Return, found 6 hours ago
AU$359
Return
found 6 hours ago
Select Alaska Airlines flight, departing Sat, 6 Sep. from Boston to San Francisco, returning Sat, 13 Sep., priced at AU$359 found 6 hours ago
Delta
Sat, 6 Sep. - Sat, 13 Sep.
BOS
Boston
SFO
San Francisco
AU$360 Return, found 6 hours ago
AU$360
Return
found 6 hours ago
Select Delta flight, departing Sat, 6 Sep. from Boston to San Francisco, returning Sat, 13 Sep., priced at AU$360 found 6 hours ago
Alaska Airlines
Sat, 6 Sep. - Sat, 13 Sep.
BOS
Boston
SFO
San Francisco
AU$374 Return, found 6 hours ago
AU$374
Return
found 6 hours ago
Select Alaska Airlines flight, departing Sat, 6 Sep. from Boston to San Francisco, returning Sat, 13 Sep., priced at AU$374 found 6 hours ago
Alaska Airlines
Sat, 6 Sep. - Sat, 13 Sep.
BOS
Boston
SFO
San Francisco
AU$375 Return, found 6 hours ago
AU$375
Return
found 6 hours ago
Select Alaska Airlines flight, departing Sat, 6 Sep. from Boston to San Francisco, returning Sat, 13 Sep., priced at AU$375 found 6 hours ago
American Airlines
Sat, 6 Sep. - Sat, 13 Sep.
BOS
Boston
SFO
San Francisco
AU$390 Return, found 6 hours ago
AU$390
Return
found 6 hours ago
Select American Airlines flight, departing Sat, 6 Sep. from Boston to San Francisco, returning Sat, 13 Sep., priced at AU$390 found 6 hours ago
United
Sat, 6 Sep. - Sat, 13 Sep.
BOS
Boston
SFO
San Francisco
AU$450 Return, found 6 hours ago
AU$450
Return
found 6 hours ago
Select United flight, departing Sat, 6 Sep. from Boston to San Francisco, returning Sat, 13 Sep., priced at AU$450 found 6 hours ago

Find the cheapest month to fly from Boston (BOS) to San Francisco (SFO)

October is typically the cheapest month to fly

From AU$242 - AU$423 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.