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Departure·1 pax, Economy

Cheapest flights for Boston – San Francisco (BOS – SFO)

Aviasales.ge will find you the cheapest airfare for Boston – San Francisco by comparing the ticket prices to San Francisco using 45 agencies, five booking systems, and 728 airlines. Where exactly you buy your tickets for Boston – San Francisco is up to you.

Boston – San Francisco is most popular in August. During this period the average ticket price is 1 122.

Direct flight for from Boston to San Francisco

The easiest way to to get to your destination is a direct flight. Direct flights for from Boston to San Francisco are offered by:

  • American Airlines (daily AA7538)
  • United Airlines (daily UA1482)
  • JetBlue Airways (6 days per week, flight B6333)
  • Hawaiian Airlines (6 days per week, flight HA4812)
  • Alaska Airlines (4 days per week, flight AS308)
  • Delta Air Lines (3 days per week, flight DL475)

Francisco is served by 1 airport: San Francisco International Airport. Direct flights for Boston – San Francisco are operated by:
  • Delta Air Lines, JetBlue Airways, Alaska Airlines, Southwest Airlines, United Airlines from Logan International Airport to San Francisco International Airport
Flight with layover for the route from Boston to San Francisco

An alternative option for Boston – San Francisco (round-trip) would be a flight with a layover. Prices start at 633 up to 839.

A flight with a layover on the route Boston – San Francisco will allow you to make your trip more interesting. The layover could be in:

  • Los Angeles (flight DL318 Delta Air Lines)
  • New York (flight UA1833 United Airlines)
  • Denver (flight UA311 United Airlines)

This is a great chance to get to know these cities. Layovers are usually at least six hours.

Please keep in mind that depending on the number of days remaining until your departure, ticket prices for Boston – San Francisco could change by more than 129%.

Aviasales.ge suggests buying tickets for Boston – San Francisco in advance in order to choose the conditions for your flight that best suit your preferences and budget.

General information on flight Boston – San Francisco (BOS – SFO)
4,333 km
Distance
3 ⁠hr
Current time difference
93
Number of flights per week
₾215
Lowest price
₾0
Average ticket price
06:00
Earliest flight out
21:19
Latest flight out

Ticket prices for Boston – San Francisco by month *

Month One-way Round-trip
August 2025 19.08.2025
11.08 - 17.08.2025

* Prices found by users over the last 48 hours (they do not represent an offer).

Cheapest flight for from Boston to San Francisco found by our users over the last 48 hours: ticket with American Airlines with a departure on 19.08.2025 and a price of 299 GEL.
Fastest flight for from Boston to San Francisco: ticket with United Airlines with the nearest departure on 18.10.2025 and a flight duration of 6hrs. 29min..
Airlines flying from Boston to San Francisco
Airports serving Boston – San Francisco

Boston airports serving flights to San Francisco:

  • Logan International Airport (BOS)

San Francisco airports accepting flights from Boston:

  • San Francisco International Airport (SFO)