AirHint found the following cheapest return flights from Madras (MAA) to San Francisco (SFO) in September 2025 (see full year).

Return flights

11 Sep - 18 Sep	Air India
17 Sep - 29 Sep	Air India
24 Sep - 29 Sep	Air India
15 Sep - 23 Sep	Cathay Pacific
15 Sep - 02 Oct	Cathay Pacific
25 Sep - 07 Oct	Air India
14 Sep - 30 Sep	Cathay Pacific
14 Sep - 27 Sep	Cathay Pacific
13 Sep - 20 Sep	Air India
20 Sep - 20 Sep	Cathay Pacific

Also check the deals for one-way flights from Madras to San Francisco in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Madras to San Francisco in September from 737€

Return flights