United States · 2,697 miles (4,341 km)

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 Lines logo
    Delta Air LinesSkyTeam · bookable with 8 programsWho books it
  • JetBlue Airways logo
    JetBlue AirwaysNot in an alliance · bookable with 2 programsWho books it
  • United Airlines logo
    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.

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
    JetBlue Airways logo
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
    Frontier Airlines logo
  • Via Toronto (YYZ)Air Canada and Porter Airlines the whole way
    Air Canada logo
    Porter Airlines logo
    Air Canada logo
    United Airlines logo
    Porter Airlines logo
  • Via Hayden (HDN)JetBlue Airways, then United Airlines
    JetBlue Airways logo
    United Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    JetBlue Airways logo
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    JetBlue Airways logo
    United Airlines logo
    +1
    American Airlines logo
    United Airlines logo
  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    Delta Air Lines logo
    Sun Country Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
    United Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via South Bend (SBN)Delta Air Lines and American Airlines, then United Airlines
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via Denver (DEN)United Airlines and Southwest Airlines the whole way
    JetBlue Airways logo
    United Airlines logo
    Southwest Airlines logo
    +1
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
  • Via Cleveland (CLE)JetBlue Airways and Delta Air Lines, then United Airlines
    JetBlue Airways logo
    Delta Air Lines logo
    United Airlines logo
  • Via Jackson (JAC)United Airlines the whole way
    United Airlines logo
    United Airlines logo
    Alaska Airlines logo
  • Via Pittsburgh (PIT)JetBlue Airways and Delta Air Lines, then United Airlines
    JetBlue Airways logo
    Delta Air Lines logo
    United Airlines logo
  • Via Kansas City (MCI)Southwest Airlines and American Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    American Airlines logo
    United Airlines logo
    Southwest Airlines logo
    American Airlines logo
  • Via Columbus (CMH)Delta Air Lines and American Airlines, then United Airlines
    Delta Air Lines logo
    American Airlines logo
    United Airlines logo
  • Via Indianapolis (IND)Delta Air Lines, American Airlines and 1 more, then United Airlines
    Delta Air Lines logo
    American Airlines logo
    Allegiant Air logo
    United Airlines logo
See all 56 in Routes

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.