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Boston to San Francisco is a 4,341 km route with a -3 hour timezone difference. Nonstop flights are available. The shortest flight time we've seen is 6h 27m, with an average of 7h 21m.
The cheapest economy flight we're currently tracking is $245. Over the last 30 days, prices have risen 2.5% (recent average: $345).
Airlines operating Boston to San Francisco include United, JetBlue, American, Frontier. We're tracking trips ranging from 7 to 30 days.
We'll notify you when fares on BOS→SFO drop.