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

Return flights

16 Oct - 26 Oct	Air India
01 Oct - 30 Oct	Air India
01 Oct - 29 Oct	Air India
29 Oct - 13 Nov	Air India
23 Oct - 16 Nov	Air India
15 Oct - 27 Nov	Air India
15 Oct - 03 Nov	Air India
03 Oct - 21 Oct	KLM
16 Oct - 29 Oct	KLM
10 Oct - 09 Nov	KLM
16 Oct - 15 Nov	KLM
24 Oct - 10 Nov	Air France
24 Oct - 03 Nov	KLM
09 Oct - 22 Oct	KLM
31 Oct - 30 Nov	KLM
30 Oct - 30 Nov	Air France
01 Oct - 23 Oct	KLM
20 Oct - 27 Oct	KLM
21 Oct - 28 Oct	Delta
10 Oct - 13 Oct	Delta

Also check the deals for one-way flights from Mumbai to San Francisco in October.

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 October from $595

Return flights