Boston (BOS) to San Francisco (SFO) flights
3 airlines fly nonstop from Boston (BOS) to San Francisco (SFO): Delta Air Lines, JetBlue Airways and United Airlines. The two airports are 2,697 miles (4,341 km) apart. Delta Air Lines is in SkyTeam and United Airlines is in Star Alliance. There are also 56 ways to fly it with one stop, through Salt Lake City, Toronto and Hayden and more.
Airlines flying nonstop from BOS to SFO
- Delta Air LinesSkyTeam · bookable with 8 programsWho books it

- JetBlue AirwaysNot in an alliance · bookable with 2 programsWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book BOS to SFO with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- JetBlue TrueBlueBooks JetBlue Airways, United Airlines
- Singapore Airlines KrisFlyerBooks JetBlue Airways, United Airlines
- Aeromexico RewardsBooks Delta Air Lines
- Air Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks Delta Air Lines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- China Eastern Eastern MilesBooks Delta Air Lines
- Delta SkyMilesBooks Delta Air Lines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Garuda Indonesia GarudaMilesBooks Delta Air Lines
- Korean Air SKYPASSBooks Delta Air Lines
- Lufthansa Miles & MoreBooks United Airlines
- SAS EuroBonusBooks Delta Air Lines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
- Virgin Atlantic Flying ClubBooks Delta Air Lines
BOS to SFO with one stop
56 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Delta Air Lines the whole way





- Via Toronto (YYZ)Air Canada and Porter Airlines the whole way





- Via Hayden (HDN)JetBlue Airways, then United Airlines


- Via Detroit (DTW)Delta Air Lines the whole way




- Via Chicago (ORD)American Airlines and United Airlines the whole way

+1


- Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way





- Via Chicago (MDW)Southwest Airlines the whole way


- Via South Bend (SBN)Delta Air Lines and American Airlines, then United Airlines



- Via Denver (DEN)United Airlines and Southwest Airlines the whole way

+1



- Via Cleveland (CLE)JetBlue Airways and Delta Air Lines, then United Airlines



- Via Jackson (JAC)United Airlines the whole way



- Via Pittsburgh (PIT)JetBlue Airways and Delta Air Lines, then United Airlines



- Via Kansas City (MCI)Southwest Airlines and American Airlines the whole way






- Via Columbus (CMH)Delta Air Lines and American Airlines, then United Airlines



- Via Indianapolis (IND)Delta Air Lines, American Airlines and 1 more, then United Airlines




BOS to SFO: common questions
Which airlines fly nonstop from BOS to SFO?
Delta Air Lines (SkyTeam), JetBlue Airways and United Airlines (Star Alliance) fly nonstop from Boston (BOS) to San Francisco (SFO).
How far is Boston from San Francisco by plane?
Boston (BOS) and San Francisco (SFO) are 2,697 miles (4,341 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book BOS to SFO award flights?
21 programs can book at least one of the nonstop airlines: JetBlue TrueBlue, Singapore Airlines KrisFlyer, Aeromexico Rewards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles and 13 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does BOS to SFO cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BOS to SFO with taxes and fees.
Where can I connect between Boston and San Francisco?
The most direct connections are through Salt Lake City (SLC), Toronto (YYZ), Hayden (HDN), Detroit (DTW) and Chicago (ORD). On 34 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.