San Francisco to Boston flights
Round trip · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when San Francisco → Boston drops below your price.Cheapest dates in the next 4 months
Round trip, per person-
Oct 22 – 27 5 nights · leave Thu$279$279 Book
Alaska Airlines 1 stop · 7h 33m -
Oct 23 – 30 7 nights · leave Fri$381$381 Book
jetBlue 1 stop · 6h 00m -
Oct 9 – 12 3 nights · leave Fri$717$717 Book
Frontier Airlines 2 stops · 8h 53m -
Oct 8 – 12 4 nights · leave Thu$782$782 Book
Frontier Airlines 2 stops · 9h 31m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Plan the rest of your trip
Boston · Oct 22 – 27Travel insurance · EKTA Airport transfer · Kiwitaxi
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San Francisco to Boston: questions
How much is a flight from San Francisco to Boston?
The cheapest round trip we have found right now is $279, leaving October 22 and returning October 27. Prices are per person, economy, in USD.
About this route
We track round-trip economy fares from San Francisco (United States) to Boston (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $279, departing October 22 and returning October 27. The cheapest month to fly in our data is October, from $279. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.