Get Me There. San Francisco to Boston
2,698 mi · 1 stop The cheapest round trip from San Francisco to Boston right now is $310 — Oct 31 → Nov 5, 5 nights, 1 stop.
Best fare
Boston Oct 31 → Nov 5 · 5 nights · 1 stop
Above typical for this route ($240–$280) — it usually dips lower.
Prices checked on Sep 22
By month
September 2026 $458
October 2026cheapest $310
November 2026 $310
December 2026 $329
January 2027 $371
February 2027 $371
March 2027 $379
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Price history
11 weeks tracked · weekly lows
All dates (720 priced)
Oct 31 → Nov 5 5 nights · 1 stop
Nov 1 → 5 4 nights · 1 stop
Nov 2 → 5 3 nights · 1 stop
Nov 3 → 5 2 nights · 1 stop
Nov 4 → 9 5 nights · 1 stop
Nov 6 → 9 3 nights · 1 stop
Oct 26 → 30 4 nights · 1 stop
Oct 27 → 30 3 nights · 1 stop
Nov 7 → 9 2 nights · 1 stop
Oct 18 → 21 3 nights · 1 stop
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