Cheap flights from Kolkata to San Francisco from $583

If you aren’t able to travel to San Francisco during the month of November, then flying in December is also cheap. Prices for this month can be found on momondo for an average of $989.

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

You are more likely to see cheaper flights to San Francisco from Kolkata when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $1,152 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Kolkata for as low as $848 on momondo.

You could potentially save up to 38% on your flight if you consider stops on a Kolkata to San Francisco flight.

As of May 2026, prices for Kolkata to San Francisco flights are approximately 46% cheaper when compared to flights at the same time last year.

KLM is the most popular carrier operating from Kolkata Netaji S. Chandra to San Francisco

Singapore Airlines, Air India and Qatar Airways are the top three most popular airlines that fly to San Francisco from Kolkata according to our data. Singapore Airlines is the first choice among our users, with 52% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 4 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

Historically, on average around 34% of flights between Kolkata and San Francisco have experienced a delay on any given week. The average delay length over the past 12 months has been 199 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Air India have had the least number of delays on this route over the last 12 months; with about 34% of their flights experiencing any sort of delay.

Singapore (SIN) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Doha (DOH) offer the lowest average round-trip price of $1,025.

Flights connecting via New Delhi (DEL) have the shortest average one-way travel time: 20h 25m.

Doha (DOH) has the shortest average layover time for this route: 1h 18m.