$146 Cheap Alaska Airlines flights Boston (BOS) to San Francisco (SFO)

$146 Cheap Alaska Airlines flights Boston (BOS) to San Francisco (SFO)

Prices were available within the past 7 days and start at $146 for one-way flights and $304 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines

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

May is typically the cheapest month to fly

From $160 - $296 per traveler.
Flights from Boston (BOS) to San Francisco (SFO)
Origin airport
Logan Intl.
Destination airport
San Francisco Intl.
Airlines serving
Alaska Airlines, Delta, JetBlue Airways, United
Popular airline
JetBlue Airways
Distance
4315 km
Average flight time
3 hours 48 mins