← Back
→
Boston to San Francisco is a 4,341 km route with a -3 hour timezone difference. Most flights have 1 stop. The shortest flight time we've seen is 8h 45m, with an average of 8h 54m.
The cheapest economy flight we're currently tracking is $185.
Airlines operating Boston to San Francisco include Frontier. We're tracking trips ranging from 7 to 14 days.