India to United States Β· 7,816 miles (12,578 km)

Kolkata (CCU) to San Francisco (SFO) flights

One airline flies nonstop from Kolkata (CCU) to San Francisco (SFO): Air India. The two airports are 7,816 miles (12,578 km) apart. Air India is in Star Alliance. There are also 6 ways to fly it with one stop, through Shanghai, Guangzhou and Delhi and more.

Airlines flying nonstop from CCU to SFO

  • Air India logo
    Air IndiaStar Alliance Β· bookable with 11 programsWho books it

Book CCU to SFO with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

CCU to SFO with one stop

6 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Shanghai (PVG)IndiGo, then China Eastern Airlines and United Airlines
    IndiGo logo
    China Eastern Airlines logo
    United Airlines logo
  • Via Guangzhou (CAN)IndiGo, then China Southern Airlines
    IndiGo logo
    China Southern Airlines logo
  • Via Delhi (DEL)Air India the whole way
    IndiGo logo
    Air India logo
    SG
    +1
    Air India logo
  • Via Dubai (DXB)Emirates the whole way
    Emirates logo
    flydubai logo
    Emirates logo
  • Via Singapore (SIN)Singapore Airlines the whole way
    Singapore Airlines logo
    IndiGo logo
    Singapore Airlines logo
    United Airlines logo
  • Via Doha (DOH)Qatar Airways the whole way
    Qatar Airways logo
    Qatar Airways logo

CCU to SFO: common questions

Which airlines fly nonstop from CCU to SFO?

Air India (Star Alliance) flies nonstop from Kolkata (CCU) to San Francisco (SFO).

How far is Kolkata from San Francisco by plane?

Kolkata (CCU) and San Francisco (SFO) are 7,816 miles (12,578 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book CCU to SFO award flights?

11 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, EVA Air Infinity MileageLands, Lufthansa Miles & More, Singapore Airlines KrisFlyer, TAP Miles&Go and 3 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does CCU 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 CCU to SFO with taxes and fees.

Where can I connect between Kolkata and San Francisco?

The most direct connections are through Shanghai (PVG), Guangzhou (CAN), Delhi (DEL), Dubai (DXB) and Singapore (SIN). On 4 of them the same airline flies both flights, for example Air India through Delhi.

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.