Cheap flights from San Francisco to India from $270

In general, September is the cheapest month to fly from San Francisco to India. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $758. If you aren’t able to travel during the month of September, then book flights to India from San Francisco during August instead. Flights to India in August, while not as cheap as those in September, still average around $807.

The cheapest day to depart from San Francisco to India is on a Wednesday when prices can be found for as low as $1,011. Flights from San Francisco to India on a Saturday will generally be more expensive and average around $1,096. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest San Francisco to India flights are usually those with departure times at noon. Our users have found flights to India at noon for as low as $990. Flights to India are more costly in the evening, with an average ticket price of $1,127. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to India from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to India for around $990 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to India from San Francisco for as low as $828 on momondo.

There are 4 cabin classes available to choose from on San Francisco to India flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Air India, Delta, and KLM are the most popular carriers operating from San Francisco to India

Air India, Singapore Airlines and Qatar Airways are the top three most popular airlines that fly to India from San Francisco according to our data. Air India is the first choice among our users, with 57% of people opting to fly with this airline when traveling to India. Keep in mind that there are 25 different airlines that fly to India on a routine basis, so you have a few additional options to choose from.

Historically, on average around 35% of flights between San Francisco and India have experienced a delay on any given week. The average delay length over the past 12 months has been 191 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday 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 35% of their flights experiencing any sort of delay.

As of February 2026, there are 2 flights per day flying from San Francisco to India. The most common time of day flights depart is 3:00PM, with 100% of flights taking off in the afternoon.

As of February 2026, 14 flights take off from San Francisco and land in India each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.