Outbound
5 hours 20 minutes
Return
5 hours 50 minutes
Daily Flights
8+
Airlines
3
Timezone note
Boston is 3 hours ahead of San Francisco (Eastern vs Pacific Time).
About this route
San Francisco to Boston flights
San Francisco to Boston is a premier coast-to-coast business route connecting the two largest biotech and tech innovation hubs in the country. United, JetBlue, and Delta compete for high-value business travelers, with premium cabin demand keeping fares elevated. University traffic between Stanford/Berkeley and MIT/Harvard adds a steady stream of academic travelers.
At over 5 hours, this is one of the longest domestic nonstop flights, and the 3-hour time difference means a morning SFO departure doesn't land until late afternoon Eastern Time. Weather on both ends — SFO fog and Boston nor'easters — can cause significant delays. Landing alerts are essential for coordinating cross-country arrivals where small delays cascade into missed evening plans.
How it works
Track San Francisco to Boston.
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FAQ
Frequently asked questions.
How long is the San Francisco to Boston flight?
About 5 hours 20 minutes eastbound and 5 hours 50 minutes on the return against the jet stream.
Which airlines fly SFO to BOS nonstop?
United, JetBlue, and Delta all offer nonstop coast-to-coast service.
Why is the westbound flight longer?
Prevailing jet stream winds slow westbound flights by about 30 minutes. Landing alerts account for this and any additional delays.
Know when they land in Boston
Avoid waiting at arrivals. Get a text the moment their San Francisco to Boston flight touches down.
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Founder, SkyText
Aviation lover who built SkyText because families deserve to know when someone lands safely. Has tracked more flights than he'd like to admit.