Cheap Flights from Boston to Santa Rosa

View €102 flight on Sat, 6 Sep 2025Opens in a new window

Popular airlines from Boston to Santa Rosa

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Cheap flights from Boston to Santa Rosa (BOS-SFO)

Prices were available within the past 7 days and start at €102 for one-way flights and €202 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Sat, 30 Aug - Sat, 6 Sep
BOS
Boston
SFO
San Francisco
€202 Return, found 1 hour ago
€202
Return
found 1 hour ago
Select JetBlue Airways flight, departing Sat, 30 Aug from Boston to San Francisco, returning Sat, 6 Sep, priced at €202 found 1 hour ago
Delta
Wed, 15 Oct - Wed, 22 Oct
BOS
Boston
SFO
San Francisco
€203 Return, found 5 days ago
€203
Return
found 5 days ago
Select Delta flight, departing Wed, 15 Oct from Boston to San Francisco, returning Wed, 22 Oct, priced at €203 found 5 days ago
JetBlue Airways
Mon, 25 Aug - Wed, 3 Sep
BOS
Boston
SFO
San Francisco
€212 Return, found 2 days ago
€212
Return
found 2 days ago
Select JetBlue Airways flight, departing Mon, 25 Aug from Boston to San Francisco, returning Wed, 3 Sep, priced at €212 found 2 days ago
American Airlines
Sat, 30 Aug - Sat, 6 Sep
BOS
Boston
SFO
San Francisco
€218 Return, found 1 hour ago
€218
Return
found 1 hour ago
Select American Airlines flight, departing Sat, 30 Aug from Boston to San Francisco, returning Sat, 6 Sep, priced at €218 found 1 hour ago
American Airlines
Wed, 15 Oct - Wed, 22 Oct
BOS
Boston
SFO
San Francisco
€219 Return, found 5 days ago
€219
Return
found 5 days ago
Select American Airlines flight, departing Wed, 15 Oct from Boston to San Francisco, returning Wed, 22 Oct, priced at €219 found 5 days ago
United
Sat, 30 Aug - Sat, 6 Sep
BOS
Boston
SFO
San Francisco
€287 Return, found 1 hour ago
€287
Return
found 1 hour ago
Select United flight, departing Sat, 30 Aug from Boston to San Francisco, returning Sat, 6 Sep, priced at €287 found 1 hour ago

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

October is typically the cheapest month to fly

From €134 - €242 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.