Cheap flights from San Francisco to Kolkata from ₹ 34,942

If you are unable to visit Kolkata during the month of January, then departing from San Francisco during the month April is also very affordable. Most momondo users find prices during this month for around ₹ 93,776.

The cheapest day to depart on your flight to Kolkata is on a Sunday when prices can be found for as low as ₹ 89,364. This is often the case because there is less demand to fly during this day of the week. When flying out on a Thursday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Kolkata for around ₹ 157,512.

According to our data, the cheapest time of day to fly to Kolkata is in the evening. momondo users have found flights departing from San Francisco to Kolkata in the evening for as low as ₹ 94,451. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Kolkata, so prices are often more expensive at around ₹ 121,323 per ticket.

Fly from San Francisco to Kolkata Netaji S. Chandra for the best San Francisco - Kolkata Netaji S. Chandra flight prices

You are more likely to see cheaper flights to Kolkata from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 119,864 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kolkata from San Francisco for as low as ₹ 98,781 on momondo.

There are 3 cabin classes available to choose from on San Francisco to Kolkata flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 43% on your flight if you consider stops on a San Francisco to Kolkata flight.

As of September 2026, prices for San Francisco to Kolkata flights are approximately 10% cheaper when compared to flights at the same time last year.

As of September 2026, 1 flights take off from San Francisco and land in Kolkata each day. The most common flight departure time for this route is 10:00, with 63% of daily flights taking off at midday.

As of September 2026, 10 flights take off from San Francisco and land in Kolkata each week. The most common flight departure day for this route is Tue, with 20% of weekly flights taking off on this day.