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 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.
- Air Canada AeroplanBooks Air India
- Air New Zealand AirpointsBooks Air India
- ANA Mileage ClubBooks Air India
- Avianca LifeMilesBooks Air India
- EVA Air Infinity MileageLandsBooks Air India
- Lufthansa Miles & MoreBooks Air India
- Singapore Airlines KrisFlyerBooks Air India
- TAP Miles&GoBooks Air India
- Thai Royal Orchid PlusBooks Air India
- Turkish Airlines Miles&SmilesBooks Air India
- United MileagePlusBooks Air India
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



- Via Guangzhou (CAN)IndiGo, then China Southern Airlines


- Via Delhi (DEL)Air India the whole way

SG+1
- Via Dubai (DXB)Emirates the whole way



- Via Singapore (SIN)Singapore Airlines the whole way




- Via Doha (DOH)Qatar Airways the whole way


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.