Cheap flights from California to Kolkata from ₹ 43,426

If you are unable to visit Kolkata during the month of April, then departing from California during the month February is also very affordable. Most momondo users find prices during this month for around ₹ 37,857.

The cheapest day to depart on your flight to Kolkata is on a Sunday when prices can be found for as low as ₹ 88,668. 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 California to Kolkata for around ₹ 141,458.

According to our data, the cheapest time of day to fly to Kolkata is in the evening. momondo users have found flights departing from California to Kolkata in the evening for as low as ₹ 102,476. 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 ₹ 139,251 per ticket.

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

You are more likely to see cheaper flights to Kolkata from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Kolkata for around ₹ 112,963 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 California for as low as ₹ 89,307 on momondo.

There are 2 cabin classes available to choose from on California to Kolkata flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

6 flights are operational weekly from California to Kolkata as of June 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

If you’re flying from a popular airport in California, such as San Francisco or Los Angeles, and flying into Kolkata, then you can expect flight times to average 22h 05m and 25h 32m, respectively.