Cheap flights from San Francisco to Boston
The lowest fare found is €173. The cheapest month to fly is October.
Search live pricesSearch round-trip pricesLowest price by month
| October | €173 |
| November | €200 |
| June | €176 |
When is the cheapest time to fly from San Francisco to Boston?
Fares are typically lowest in October, starting from €173.
Popular routes
- San Francisco → Fort Lauderdale
- San Francisco → Minneapolis
- San Francisco → New York LaGuardia
- San Francisco → Detroit
- San Francisco → Philadelphia
- San Francisco → Salt Lake City
- San Francisco → San Diego
- San Francisco → Baltimore
- San Francisco → Tampa
- San Francisco → Austin
- San Francisco → Washington Dulles
- San Francisco → Washington
Prices updated 2026-09-17