Direct (nonstop) flights from Kolkata to San Francisco
1 airline flys nonstop from Kolkata Netaji Subhas Chandra Bose Intl Airport (CCU) to San Francisco International (SFO). It's 7,827 miles (12,597 km), about 15h 10m 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 Kolkata to San Francisco with one stop · direct emits 1197 kg CO₂ per passenger
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SFO → CCU: Flights from San Francisco to KolkataOther direct flights from Kolkata
Direct flights from San Francisco (SFO)
Frequently Asked Questions
How long is the direct flight from Kolkata to San Francisco?
A nonstop flight from Kolkata (CCU) to San Francisco (SFO) takes approximately 15 hours and 10 minutes. The distance is 7,827 miles (12,597 km).
Which airlines fly nonstop from Kolkata to San Francisco?
Just Air India.
Is there a nonstop flight from Kolkata to San Francisco?
Yes. 1 airline: Air India.
How far is Kolkata from San Francisco?
The flight distance from Kolkata to San Francisco 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 Kolkata and San Francisco?
San Francisco is 12 hours behind Kolkata. (Asia/Kolkata vs America/Los_Angeles.)
Will I experience jet lag flying from Kolkata to San Francisco?
Probably — 12-hour time difference means significant jet lag. Expect about 1 day of adjustment per hour of shift. Flying westward is generally easier to adjust to.
What type of aircraft flies from Kolkata to San Francisco?
At 15h 10m, 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 India to USA?
Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Kolkata to San Francisco?
Roughly 1197 kg CO2 per passenger one-way. That's about the same as driving 5,985 km.
Is the return flight from San Francisco to Kolkata 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 Kolkata to San Francisco?
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 Kolkata Netaji Subhas Chandra Bose Intl Airport for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.