Cheap flights Boston — San Francisco (BOS — SFO)

Good to know - Cheap tickets Boston — San Francisco

Cheapest flight found $91
Minimal flight time 6h 29m
Flight distance 4334 km
Most popular airline United Airlines

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
May 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 2025
May 2025
April 2025
March 2025
February 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
06:02 09:33 daily UA2441 United Airlines 6h 31m Logan International Airport — San Francisco International Airport Select dates
06:05 09:43 daily B61333 JetBlue 6h 38m Logan International Airport — San Francisco International Airport Select dates
07:30 11:07 daily AS308 Alaska Airlines 6h 37m Logan International Airport — San Francisco International Airport Select dates
07:55 11:34 daily DL362 Delta Air Lines 6h 39m Logan International Airport — San Francisco International Airport Select dates
08:05 11:36 daily UA1008 United Airlines 6h 31m Logan International Airport — San Francisco International Airport Select dates
08:25 11:56 fri UA1008 United Airlines 6h 31m Logan International Airport — San Francisco International Airport Select dates
10:30 14:05 mon, tue, wed, thu, fri, sun B61833 JetBlue 6h 35m Logan International Airport — San Francisco International Airport Select dates
10:30 14:04 wed, thu, fri, sun B61833 JetBlue 6h 34m Logan International Airport — San Francisco International Airport Select dates
10:32 14:03 mon UA1482 United Airlines 6h 31m Logan International Airport — San Francisco International Airport Select dates
10:50 14:21 sat UA1482 United Airlines 6h 31m Logan International Airport — San Francisco International Airport Select dates
All routes

Sales of tickets from Boston to San Francisco in the last 48 hours

2025-12-29 one-way

2025-12-28 one-way

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 August and flights Boston — San Francisco — Boston in the month of April.

Flights Boston — San Francisco

The selection of cheap flights Boston — San Francisco

Here you can find and purchase the cheapest flights Boston — San Francisco from $91 and Boston — San Francisco — Boston from $83.

The price of the flight Boston — San Francisco (United States) — Boston from $83 (round-trip).

The average price of the flight Boston — San Francisco (United States) — Boston $321 (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 29m.

LowCostClub always do a comparison of airfares Boston — San Francisco with several airlines (include United Airlines, JetBlue, Alaska Airlines). They will always give you all available options so you can find the cheapest flight to San Francisco. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets Boston — San Francisco. Last week, for instance, the cheapest round-trip prices stood at $83 while the cheapest one-way price that was available within the last week cost $91

Routes from nearby cities to San Francisco

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

The most frequent flight to San Francisco is from Provincetown. The cheapest airfare can be purchased with a flight from Portland from $128. The nearest airports from 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, they do: UA2441, B61333, AS308, DL362, UA1008, B61833, UA1482, UA1074, UA390, B6233, UA1709, DL1655, UA2400, B6733, B6333, AS355, AS249, DL475

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 Airlines, JetBlue, Alaska Airlines, Delta Air Lines depart from Boston on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Aer Lingus, Aeromexico, Air Canada, Air France, American Airlines, avianca, Breeze Airways, British Airways, Cathay Pacific, Condor (Green Island Livery), Copa Airlines, Emirates, FedEx, Frontier (Rosie the River Otter Livery), Hawaiian Airlines, Iberia, ITA Airways, Japan Airlines, Jet Linx Aviation, KLM, Korean Air, LEVEL, Lufthansa, NetJets, Porter, Porter Airlines Canada, Qatar Airways, Qatar Executive, SAS, Southwest Airlines, Sun Country Airlines, Swiss, TAP Air Portugal, Turkish Airlines, Virgin Atlantic, WestJet.

A direct flight lasts an average of 6h 29m, during which time the aircraft covers a distance of 4334 km.

The price of flights Boston — San Francisco starts from $91.

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: UA2441, B61333, AS308, DL362, UA1008, UA1008, B61833, B61833, UA1482, UA1482, UA1482, UA1482, UA1074, UA390, B6233, UA1709, DL1655, DL1655, UA2400, UA2400, B6733, DL1655, B6333, AS355, AS249, DL475, B6333, B6333, B6333

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

The following airlines have direct flights Boston — San Francisco: United Airlines, JetBlue, Alaska Airlines, Delta Air Lines.

All the following airlines flights Boston — San Francisco: ABX Air, Aer Lingus, Aeromexico, Air Canada, Air France, Alaska Airlines, American Airlines, avianca, Breeze Airways, British Airways, Cathay Pacific, Condor (Green Island Livery), Copa Airlines, Delta Air Lines, Emirates, FedEx, Frontier (Rosie the River Otter Livery), Hawaiian Airlines, Iberia, ITA Airways, Japan Airlines, Jet Linx Aviation, JetBlue, KLM, Korean Air, LEVEL, Lufthansa, NetJets, Porter, Porter Airlines Canada, Qatar Airways, Qatar Executive, SAS, Southwest Airlines, Sun Country Airlines, Swiss, TAP Air Portugal, Turkish Airlines, United Airlines, Virgin Atlantic, WestJet.

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