Routes · From SFO

San Francisco (SFO) to Kolkata (CCU) flights

Nonstop from San Francisco International to Netaji Subhas Chandra Bose International: distance, flying time, which airlines fly it and how often.

Distance

12,578km

7,816 mi, great circle

Flying time

15h 38m

typical, gate to gate

Flights a day

1.3

average, November 2026

Airlines

1

passenger airlines

Airlines flying SFO to CCU

Route map

The shortest path over the Earth's surface. Actual tracks vary with winds and airspace. Map © OpenStreetMap contributors.

Cheapest recent fare

Fares found in recent searches load here. You can also compare SFO to CCU fares by month.

Both directions

Frequently asked questions

How long is the flight from San Francisco to Kolkata?

About 15h 38m gate to gate for the 12,578 km (7,816 mile) trip, estimated from distance. Schedules vary by airline and season, and winds can add or save time.

Which airlines fly nonstop from SFO to CCU?

Air India, with about 1.3 flights a day between them in our data (AeroDataBox, November 2026).