Cheap flights from San Francisco to Boston
Flights from San Francisco to Boston currently start at €161. Below are the cheapest dates, typical duration and airlines on this route. Search live fares when you are ready to book — prices change during the day.
Prices refresh daily · per adult · Typical time: 7h 20m
Key facts
- Lowest fare
- €161 · Mon 2 Nov
- Direct flights
- Yes
- Flight time
- 7h 20m
- Airlines
- jetBlue, Alaska Airlines, Southwest Airlines, United Airlines
- Cheapest month
- November 2026
- Distance
- 4341 km
Round trip
One way
Questions people ask before they book
How much are flights from San Francisco to Boston?
The lowest fare we currently show from San Francisco to Boston is €161 for one adult. That price is tied to specific dates and can sell out.
Are there direct flights from San Francisco to Boston?
Yes. Direct flights from San Francisco to Boston show up in current fares. Filter by Direct when you search to hide connections.
Which airlines fly from San Francisco to Boston?
Airlines showing fares on this route include jetBlue, Alaska Airlines, Southwest Airlines, United Airlines, Frontier Airlines. The cheapest airline is not always the one with a bag included.
How long is the flight from San Francisco to Boston?
A typical itinerary from San Francisco to Boston takes about 7h 20m, including connections when the cheapest fare is not direct.
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November 2026