Cheap flights Boston — San Francisco (BOS — SFO)

Good to know - Cheap tickets Boston — San Francisco

Minimal flight time 6h 43m
Flight distance 4334 km
Most popular airline United Express
Round-trip from $97

Airfare Boston – San Francisco by month

Here you can find out in what months how much a ticket Boston – San Francisco costs to buy cheap plane tickets.

Month One-way Round-trip
November 2026
October 2026
September 2026
August 2026
July 2026
June 2026
May 2026
April 2026
March 2026
February 2026
January 2026
December 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Boston — San Francisco

Departure Arrival Flight days Flight Airlines Flight time Airports
17:50 21:50 daily UA2400 United Express 7h 0m Logan International Airport — San Francisco International Airport Select dates
20:15 23:58 thu UA2107 United Express 6h 43m Logan International Airport — San Francisco International Airport Select dates
20:16 23:59 mon, thu, fri, sat, sun UA2107 United Express 6h 43m Logan International Airport — San Francisco International Airport Select dates
All routes

Dynamics airfare Boston — San Francisco by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Boston — San Francisco

The graph shows that booking flights Boston — San Francisco is best planned for April and flights Boston — San Francisco — Boston in the month of February.

Flights Boston — San Francisco

The selection of cheap flights Boston — San Francisco

The price of the flight Boston — San Francisco (United States) — Boston from $97 (round-trip).

The average price of the flight Boston — San Francisco (United States) — Boston $235 (round-trip).

Low cost flights Boston — San Francisco (BOS — SFO)

The distance between Boston and San Francisco 2693 miles (or 4334 kilometres).

The time difference between Boston and San Francisco is 3 h.

Minimal flight time from Boston to San Francisco 6h 43m.

Routes from nearby cities to San Francisco

A flight from a neighbouring city can help you save money on plane tickets.

The closest airports to Boston with a flight to San Francisco are in Hartford.

Popular International routes from Boston

Popular routes from San Francisco

If you are going to fly from San Francisco, then study the popular flights. The most popular flights from San Francisco:

Popular domestic routes from Boston

FAQ about Boston — San Francisco

Yes, you can fly from Boston to San Francisco. Boston has 3 airports (Pease Air Force Base, Logan International Airport, Boston City Heliport) for flights. United Express departs from Boston on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Aer Lingus, Air Canada, Air France, Alaska Airlines, American Eagle, Breeze Airways, British Airways, Contour Aviation, Delta Connection, Frontier (Penny the Owl Livery), Jet Linx Aviation, JetBlue, KLM, NetJets, Southwest Airlines, Turkish Airlines.

A direct flight lasts an average of 6h 43m, during which time the aircraft covers a distance of 4334 km.

The price of flights Boston — San Francisco starts from $97.

Planes fly Boston — San Francisco 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Boston — Pease Air Force Base, Logan International Airport, Boston City Heliport. In San Francisco — Embarkadero, San Francisco International Airport, China Basin Heliport.

The following flights fly between Boston and San Francisco: UA2400, UA2107, UA2107

High season is considered to be March and the cheapest month is April. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Boston — San Francisco flight deals.

Only one airline operates a direct flight Boston — San Francisco: United Express.

All the following airlines flights Boston — San Francisco: Aer Lingus, Air Canada, Air France, Alaska Airlines, American Eagle, Breeze Airways, British Airways, Contour Aviation, Delta Connection, Frontier (Penny the Owl Livery), Jet Linx Aviation, JetBlue, KLM, NetJets, Southwest Airlines, Turkish Airlines, United Express.

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