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

Return flights

15 Sep - 22 Sep	Air India
11 Sep - 20 Sep	Air India
05 Sep - 12 Sep	Air India
16 Sep - 25 Sep	Cathay Pacific
17 Sep - 30 Sep	Cathay Pacific
17 Sep - 24 Sep	Cathay Pacific
08 Sep - 15 Sep	Thai AirAsia
14 Sep - 27 Sep	Cathay Pacific
18 Sep - 03 Oct	Cathay Pacific
06 Sep - 20 Sep	IndiGo
08 Sep - 02 Oct	Cathay Pacific
30 Sep - 16 Oct	Air India
20 Sep - 27 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 $851

Return flights