Flights from Boston to San Francisco

Flights

All filters Months and weeks Price Stops Airlines Time Alliances

Cheap one-way flights

If you're planning to travel one-way to San Francisco, find the best flight deals available here.
Frontier Airlines
DEPARTURE
BOS - SFO
Sat. Nov 7, 2026
Price per a person from
$199
Delta Air Lines
DEPARTURE
BOS - SFO
Fri. Nov 6, 2026
Price per a person from
$203
American Airlines
DEPARTURE
BOS - SFO
Sat. Nov 7, 2026
Price per a person from
$214
Sun Country
DEPARTURE
BOS - SFO
Thu. Jan 7, 2027
Price per a person from
$319
Delta Air Lines
DEPARTURE
BOS - SFO
Sat. Nov 7, 2026
Price per a person from
$203
American Airlines
DEPARTURE
BOS - SFO
Fri. Nov 6, 2026
Price per a person from
$214
Delta Air Lines
DEPARTURE
BOS - SFO
Sun. Nov 8, 2026
Price per a person from
$233
Frontier Airlines
DEPARTURE
BOS - SFO
Fri. Nov 6, 2026
Price per a person from
$234
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