Flights from San Francisco to Boston
Compare live flights from San Francisco to Boston (SFO–BOS) across multiple airlines, with nonstop options, durations and seasonal price trends below.
San Francisco to Boston flights overview
The fastest nonstop San Francisco to Boston flights cover about 4,341 km in roughly 5.4 hours. Both full-service and low-cost carriers serve this corridor; BookingTrolley compares their published fares so you can weigh price against flight time and baggage.
Ticket prices from San Francisco to Boston change frequently; BookingTrolley aggregates current fares across airlines so you can spot the lowest one. Based on this route's seasonal pattern, fares average roughly $ 672.00 over the year. Nov tends to be the cheapest month to fly (around $ 560.00), while Jun is usually the most expensive at about $ 833.00 — a swing of roughly 49%.
Frequently asked questions about flying from San Francisco to Boston
Tuesday and Wednesday are typically the cheapest days on San Francisco to Boston for United States travellers, with Friday and Sunday often higher. BookingTrolley compares mid-week and weekend fares on SFO–BOS.
Full-service and low-cost carriers compete from San Francisco (SFO) to Boston (BOS). BookingTrolley compares published fares so United States travellers can see which carrier is cheapest.
Economy round-trip flights on San Francisco to Boston vary by season. BookingTrolley tracks live fares on SFO–BOS so United States travellers can compare current prices.
The flying time from San Francisco to Boston is about 5.4 hours nonstop, covering roughly 4,341 km between SFO and BOS. BookingTrolley schedules show connecting itineraries take longer depending on layover length.
Shoulder months often pair good weather with lower airfare into Boston. BookingTrolley price trends on San Francisco to Boston show steeper rises around major United States holiday periods.
Use BookingTrolley's flexible-date comparison for San Francisco (SFO) to Boston (BOS) to see which days cost least. Avoiding Friday–Sunday peaks is one of the fastest ways for United States travellers to cut the ticket price.
Find cheap flights on popular routes
Explore fares from San Francisco, into Boston, and on related corridors with BookingTrolley.
- Flights from San Francisco to New York
- Flights from San Francisco to New York
- Flights from San Francisco to Los Angeles
- Flights from San Francisco to Seattle
- Flights from San Francisco to Chicago
- Flights from San Francisco to Miami
- Flights from San Francisco to Dallas
- Flights from San Francisco to Houston
- Flights from San Francisco to Atlanta
- Flights from San Francisco to Las Vegas
- Flights from San Francisco to Denver