Cheap flights from Boston (BOS) to San Francisco (SFO)

Compare every airline flying from Boston Logan International Airport (BOS) to San Francisco International Airport (SFO). Free 12-month fare heatmap, no signup, no ads. Surfaces low-cost carriers Google Flights often deprioritises.

Frequently asked questions

What is the cheapest month to fly from BOS to SFO?

Fares on Boston → San Francisco swing 25-40% across the year. The 12-month fare heatmap on Flightmussy pinpoints the cheapest week.

Which airlines fly direct from BOS to SFO?

Flightmussy compares every carrier serving BOS → SFO, including budget airlines Google Flights sometimes deprioritises.

How long is the flight from BOS to SFO?

Flight duration depends on routing and airline. Direct flight times appear on each Flightmussy result; one-stop options are clearly labelled with total elapsed time.

Can I pay with crypto for my BOS to SFO flight?

Yes. Every flight result on Flightmussy includes a Crypto button that deeplinks to a Travala checkout supporting BTC, ETH, USDT, BNB and AVA.

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About Flightmussy

Flightmussy is a free flight meta-search built by one person in Oslo. No signup, no ads, no tracking, no email capture. Compare fares across airlines and see 12 months of prices at a glance — including low-cost carriers Google Flights often deprioritises (Widerøe, Wizz Air, Norwegian, Ryanair). Pay with a card at the airline, or use the Crypto button on any result to check out in BTC, ETH, USDT, BNB or AVA via Travala.

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