Cheap Flights from San Francisco to Boston — $116

More than 5 airlines operate flights from San Francisco to Boston, including United Airlines, JetBlue Airways, Southwest Airlines, American Airlines, and Sun Country Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $116, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.

Find great deals from San Francisco to Boston with one quick search — we scan over 700 airlines, 50+ travel agencies and 5+ top booking systems to uncover the best prices, schedules and travel conditions for your trip. Compare flights side-by-side and book confidently knowing you’ve explored the widest range of options for nonstop, connecting and flexible itineraries.

San Francisco International Airport (SFO) is the Bay Area’s primary international gateway and a major hub for full-service carriers, so fares can range from premium transpacific tickets to competitively priced domestic connections. Located about 13 miles south of downtown San Francisco, it’s typically reachable in 20–40 minutes by car depending on traffic; taxi and rideshare trips often cost in the $35–70 range. Public transit options include BART (about 30–40 minutes to downtown) and SamTrans buses (longer but cheaper), while airport shuttles provide mid-range convenience. Pros: extensive lounge and dining options, frequent long‑haul flights and good ground transit links. Cons: busy terminals and variable traffic can add time and occasional extra cost.

Fly direct from San Francisco to Boston for the fastest, most convenient way to cross the country—perfect for squeezing business meetings or a long weekend into your schedule. Direct flights get you there quicker and with less hassle, though you may sometimes find cheaper connecting options if you’re flexible on time. Book a nonstop and enjoy more time exploring Boston and less time in transit.

Boston is served primarily by Logan International Airport (BOS), a major New England gateway and full-service international hub handling long-haul carriers alongside U.S. legacy airlines and some global alliances. Located on Boston Harbor about 3–5 miles (10–20 minutes by car) from downtown, Logan typically offers a mix of premium and everyday fares, with budget options available on several low-cost carriers. Ground links include the MBTA Silver Line bus to South Station (about 20–30 minutes; fare typically under $5), taxis and rideshares (10–25 minutes depending on traffic; fares vary), and shuttle services to suburbs. Pros: convenient proximity to the city and extensive flight choices; cons: can be busy and subject to coastal weather and traffic delays.

The cost of a one-way flight from San Francisco to Boston ranges from $157 (December 2025) to $189 (April 2026). On average, the ticket price is about $173–$189.