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

Return flights

15 Sep - 23 Sep	Air India
16 Sep - 19 Sep	Air India
22 Sep - 27 Sep	Air India	direct
15 Sep - 27 Sep	Air India	direct
19 Sep - 27 Sep	Air India	direct
17 Sep - 27 Sep	Air India
06 Sep - 19 Sep	Air India
09 Sep - 16 Sep	Air India
12 Sep - 27 Sep	Air India	direct
20 Sep - 27 Sep	Air India	direct
19 Sep - 04 Oct	Air India	direct
22 Sep - 02 Oct	Air India	direct
16 Sep - 01 Oct	Air India	direct
27 Sep - 04 Oct	Air India	direct
24 Sep - 01 Oct	Air India
18 Sep - 03 Oct	Air India
20 Sep - 01 Oct	Air India	direct
20 Sep - 04 Oct	Air India	direct
13 Sep - 04 Oct	Air India	direct
24 Sep - 03 Oct	Air India

Also check the deals for one-way flights from Mumbai 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 Mumbai to San Francisco in September from 493€

Return flights