Cheap flights from San Francisco to Chennai from $464

In general, October is the cheapest month to fly from San Francisco to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $932. If you’re not able to fly to Chennai in October, then February is your next best option. Flight prices from San Francisco to Chennai during February average around $947.

You are more likely to see cheaper flights to Chennai from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,168 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from San Francisco for as low as $1,093 on momondo.

You could potentially save up to 8% on your flight if you consider stops on a San Francisco to Chennai flight.

As of September 2026, prices for San Francisco to Chennai flights are approximately 20% cheaper when compared to flights at the same time last year.

Air India is the most popular carrier operating from San Francisco to Chennai

Cathay Pacific, Singapore Airlines and Air India are the top three most popular airlines that fly to Chennai from San Francisco according to our data. Cathay Pacific is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 8 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.

Singapore (SIN) was the most common stop: 34% of momondo users choosing 1-stop flights on this route connected there.

Flights via Mumbai (BOM) offer the lowest average round-trip price of $948.

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 21h 39m.

Doha (DOH) has the shortest average layover time for this route: 2h 11m.