Cheap flights San Francisco — Boston (SFO — BOS)

Good to know - Cheap tickets San Francisco — Boston

Cheapest flight found $89
Minimal flight time 5h 7m
Flight distance 4334 km
Most popular airline JetBlue (Boston Red Sox Livery)

Airfare San Francisco – Boston by month

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

Month One-way Round-trip
June 2026
May 2026
April 2026
March 2026
January 2026
December 2025
November 2025
October 2025
September 2025
August 2025
July 2025
June 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 San Francisco — Boston

Departure Arrival Flight days Flight Airlines Flight time Airports
06:20 15:08 mon, thu, fri, sun UA1152 United Express 5h 48m San Francisco International Airport — Logan International Airport Select dates
07:00 15:41 wed, thu, fri, sat AS356 Alaska Horizon 5h 41m San Francisco International Airport — Logan International Airport Select dates
07:00 15:35 daily DL400 Delta Air Lines 5h 35m San Francisco International Airport — Logan International Airport Select dates
07:00 15:30 fri B6434 JetBlue (Boston Red Sox Livery) 5h 30m San Francisco International Airport — Logan International Airport Select dates
07:00 15:37 mon, tue, fri, sun AS356 Alaska Horizon 5h 37m San Francisco International Airport — Logan International Airport Select dates
07:10 15:57 mon, tue, wed, thu, fri, sun B6434 JetBlue (Boston Red Sox Livery) 5h 47m San Francisco International Airport — Logan International Airport Select dates
07:30 16:10 sat DL400 Delta Air Lines 5h 40m San Francisco International Airport — Logan International Airport Select dates
07:45 16:28 fri, sun AS356 Alaska Horizon 5h 43m San Francisco International Airport — Logan International Airport Select dates
08:15 16:47 mon, tue, wed, thu, fri, sun B6434 JetBlue (Boston Red Sox Livery) 5h 32m San Francisco International Airport — Logan International Airport Select dates
08:25 17:06 daily UA2647 United Express 5h 41m San Francisco International Airport — Logan International Airport Select dates
All routes

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

2025-12-22 one-way

Flights San Francisco — Boston

The selection of cheap flights San Francisco — Boston

Here you can find and purchase the cheapest flights San Francisco — Boston from $89 and San Francisco — Boston — San Francisco from $109.

The price of the flight San Francisco — Boston (United States) — San Francisco from $109 (round-trip).

The average price of the flight San Francisco — Boston (United States) — San Francisco $332 (round-trip).

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

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

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

Minimal flight time from San Francisco to Boston 5h 7m.

LowCostClub always do a comparison of airfares San Francisco — Boston with several airlines (include United Express, Alaska Horizon, Delta Air Lines). They will always give you all available options so you can find the cheapest flight to Boston. In addition, you can choose the platform where you want to place your orders. There are also special offers for air tickets San Francisco — Boston. Last week, for instance, the cheapest round-trip prices stood at $109 while the cheapest one-way price that was available within the last week cost $89

Routes from nearby cities to Boston

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

The most frequent flight to Boston is from Fresno. The cheapest airfare can be purchased with a flight from Sacramento from $67. The nearest airports from San Francisco with a flight to Boston are in Reno.

Popular International routes from San Francisco

Popular routes from Boston

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

Popular domestic routes from San Francisco

FAQ about San Francisco — Boston

Yes, they do: UA1152, AS356, DL400, B6434, UA2647, B61734, UA2356, DL362, UA1372, DL977, B6334, B6634, B6934, UA2004, UA1623, , B6734, UA796, DL1655, UA1665

Yes, you can fly from San Francisco to Boston. San Francisco has 3 airports (Embarkadero, San Francisco International Airport, China Basin Heliport) for flights. United Express, Alaska Horizon, Delta Air Lines, JetBlue (Boston Red Sox Livery), Contour Aviation depart from San Francisco on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through ABX Air, Aer Lingus, Aeromexico, Air Canada Express, Air France, AlphaSky, American Eagle, avianca, Breeze Airways, British Airways, Cathay Pacific, Copa Airlines, Emirates, FedEx, Frontier (Lobo the Grey Wolf Livery), Hawaiian Airlines, Iberia, ITA Airways, Japan Airlines, Jet Linx Aviation, KLM, Korean Air, Level, Lufthansa, NetJets, Porter, Porter Airlines Canada, Qatar Airways, SAS, Southwest Airlines, Sun Country Airlines, Swiss, TAP Air Portugal, Turkish Airlines, Virgin Atlantic, WestJet.

A direct flight lasts an average of 5h 7m, during which time the aircraft covers a distance of 4334 km.

The price of flights San Francisco — Boston starts from $89.

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

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

The following flights fly between San Francisco and Boston: UA1152, AS356, DL400, B6434, AS356, B6434, DL400, AS356, B6434, UA2647, B61734, B61734, B61734, UA2356, UA2356, B61734, B61734, B61734, DL362, DL362, DL362, DL362, UA1372, DL362, UA1372, B61734, B61734, DL977, UA1372, B6334, B6334, B6334, B6334, B6334, B6634, B6934, UA2004, UA1623, B6934, B6934, B6734, B6734, B6734, B6734, UA796, B6734, B6734, DL1655, B6734, UA1665, UA1665, B6934

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

The following airlines have direct flights San Francisco — Boston: United Express, Alaska Horizon, Delta Air Lines, JetBlue (Boston Red Sox Livery), Contour Aviation.

All the following airlines flights San Francisco — Boston: ABX Air, Aer Lingus, Aeromexico, Air Canada Express, Air France, Alaska Horizon, AlphaSky, American Eagle, avianca, Breeze Airways, British Airways, Cathay Pacific, Contour Aviation, Copa Airlines, Delta Air Lines, Emirates, FedEx, Frontier (Lobo the Grey Wolf Livery), Hawaiian Airlines, Iberia, ITA Airways, Japan Airlines, Jet Linx Aviation, JetBlue (Boston Red Sox Livery), KLM, Korean Air, Level, Lufthansa, NetJets, Porter, Porter Airlines Canada, Qatar Airways, SAS, Southwest Airlines, Sun Country Airlines, Swiss, TAP Air Portugal, Turkish Airlines, United Express, Virgin Atlantic, WestJet.

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