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Cheap flights from San Francisco to Boston

From €156 one way, departing Wed 23 Dec. We compare airlines and travel agencies and add no fees.

Lowest fare found€156One way on Wed 23 Dec Cheapest monthDecemberFrom €156 on Wed 23 Dec

Cheapest dates from San Francisco to Boston

The lowest one-way fares we found for the coming months. Pick a date to see every flight.

Lowest fare by month

Price history

We have not recorded any prices for SFO to BOS yet. The chart appears after people search this route.

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San Francisco to Boston: common questions

Answers use the fares we found most recently and are updated through the day.

How much is a flight from San Francisco to Boston?

The lowest one-way fare we found recently is €156, departing Wed 23 Dec. A typical cheapest fare on other days is around €196. Prices change often, so check the live price before you book.

Which month is cheapest to fly to Boston?

December 2026 has the lowest fare we found, from €156 on Wed 23 Dec.

How long is the flight from San Francisco to Boston?

San Francisco and Boston are about 4,340 km apart. A direct flight takes roughly 6 hours; flights with a stop take longer.

Does SkimFlight charge a booking fee?

No. SkimFlight compares prices from airlines and travel agencies and sends you to the seller to book. You pay the seller’s price with no fee from us.

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