Direct (nonstop) flights from San Francisco to Kolkata
1 airline flys nonstop from San Francisco International (SFO) to Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU). It's 7,827 miles (12,597 km), about 16h 50m in the air. Operated by Air India.
Air India
Route data last updated: May 26, 2026
Airlines with non-stop flights
Alternative Routes
Other ways to fly from San Francisco to Kolkata with one stop · direct emits 1197 kg CO₂ per passenger
Looking for the return flight?
CCU → SFO: Flights from Kolkata to San FranciscoOther direct flights from San Francisco
Direct flights from Kolkata (CCU)
Frequently Asked Questions
How long is the direct flight from San Francisco to Kolkata?
A nonstop flight from San Francisco (SFO) to Kolkata (CCU) takes approximately 16 hours and 50 minutes. The distance is 7,827 miles (12,597 km).
Which airlines fly nonstop from San Francisco to Kolkata?
Just Air India.
Is there a nonstop flight from San Francisco to Kolkata?
Yes. 1 airline: Air India.
How far is San Francisco from Kolkata?
The flight distance from San Francisco to Kolkata is 7,827 miles (12,597 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as London to Tokyo.
What is the time difference between San Francisco and Kolkata?
Kolkata is 12 hours ahead of San Francisco. (America/Los_Angeles vs Asia/Kolkata.)
Will I experience jet lag flying from San Francisco to Kolkata?
Probably — 12-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying eastward is generally harder to adjust to.
What type of aircraft flies from San Francisco to Kolkata?
At 16h 50m, this route typically uses wide-body aircraft — Boeing 777, 787, or Airbus A330/A350. Varies by airline.
Do I need a visa to travel from USA to India?
Depends on your passport. Check with the India embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from San Francisco to Kolkata?
Roughly 1197 kg CO2 per passenger one-way. That's about the same as driving 5,985 km.
Is the return flight from Kolkata to San Francisco also nonstop?
Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.
When is the cheapest time to fly from San Francisco to Kolkata?
Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. For long-haul, booking 2-3 months out tends to help. Use "Check Prices" above to compare.
How early should I arrive at San Francisco International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.