Round-trip from | $2,105 |
|---|---|
Popular in | June |
Cheapest in | February |
Average price | $648 |
The best time to book flights from San Francisco to Boston is 79 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
When flying from San Francisco to Boston, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
The most flights from SFO to BOS are scheduled on a Wednesday (44 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).
In terms of precipitation, rainfall in Boston ranges from 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.
If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).
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Cheapflights simply makes it quick and affordable to book flights from San Francisco to Boston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Boston, users can toggle the no change fees filter when performing a flight search.
Yes, Cheapflights offers price alerts on San Francisco to Boston flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.