San Francisco (SFO) to Boston (BOS) flights
Nonstop from San Francisco International to Boston Logan International: distance, flying time, which airlines fly it and how often.
Distance
4,341km
2,697 mi, great circle
Flying time
5h 50m
typical, gate to gate
Flights a day
15
average, November 2026
Airlines
3
passenger airlines
Airlines flying SFO to BOS
Route map
The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.
Cheapest recent fare
Fares found in recent searches load here. You can also compare SFO to BOS fares by month.
Both directions
Frequently asked questions
How long is the flight from San Francisco to Boston?
About 5h 50m gate to gate for the 4,341 km (2,697 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.
Which airlines fly nonstop from SFO to BOS?
Delta Air Lines, JetBlue and United Airlines, with about 15 flights a day between them in our data (AeroDataBox, November 2026).