Kolkata to San Francisco Flight Ticket Price

Current Kolkata to San Francisco Flight Ticket Price by Airline

Compare fares across airlines operating the Kolkata–San Francisco route. Prices are indicative based on recent bookings — live fares may vary.

What Affects Kolkata–San Francisco Flight Ticket Prices?

Flight ticket prices on the Kolkata–San Francisco route change constantly. Here are the main factors that determine how much you pay:

• Advance BookingTickets booked 3–8 weeks ahead are usually 30–50% cheaper than last-minute fares.
• Day of TravelWeekday flights (Tue, Wed) cost less than weekend (Fri, Sun) departures on most routes.
• Time of DepartureEarly morning (5–8 AM) and red-eye flights cost less than peak-hour slots.
• Season & HolidaysDiwali, Christmas, school vacations, and long weekends push prices up significantly.
• Fare ClassSaver fares have restrictions (higher date change and cancellation penalty); Flexi fares cost more but allow changes at lower charges.
• Baggage Add-onsBase fare often includes checked baggage — pre-purchase extra baggage online (if required) to save vs airport rates.

On HappyFares, you can see all-in prices with taxes clearly displayed — no surprise convenience fees at checkout.

Month-by-Month Kolkata to San Francisco Flight Price Guide (2026)

Kolkata–San Francisco flight prices follow clear seasonal patterns. The cheapest months are Feb, Mar, Nov; the most expensive are Jun, Jul, Dec, Jan and major Indian holidays.

Fares are approximate advance-booking estimates (economy, one-way). Actual prices depend on airline, seat availability, and day of booking. Search live prices on HappyFares →

Kolkata to San Francisco Flight Time, Duration & Schedule

The nonstop Kolkata–San Francisco flight takes approximately 15h 38m, covering 12,578 km by air. With 3+ daily departures spread across all airlines, there are convenient slots from early morning through late evening.

• Nonstop duration: ~15h 38m (direct, no layover)
• Route distance: 12,578 km
• First departures: Typically around 5–6 AM
• Last departures: Typically around 9–10 PM
• Best on-time performance: Early morning flights (before 8 AM) depart on time most reliably

All airlines on the Kolkata–San Francisco route operate direct, nonstop flights — no connecting flights or layovers. When booking on HappyFares, you can filter by departure time to find the slot that suits your schedule.

How to Get the Cheapest Kolkata to San Francisco Flight Ticket

Best Time to Book Kolkata–San Francisco Flights

The sweet spot for booking Kolkata–San Francisco flights is 3–6 weeks before travel. Very early booking (3+ months ahead) sometimes has good fares too, especially for peak-season travel. The worst time to buy is within 7 days of departure — last-minute Kolkata–San Francisco fares can be 2–3× higher than advance prices.

Frequently Asked Questions — Kolkata to San Francisco Flight Ticket Price

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