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

Return flights

21 Oct - 28 Oct	Air India
16 Oct - 17 Nov	Air India
22 Oct - 05 Nov	Air India
14 Oct - 10 Nov	Air India
05 Oct - 19 Oct	Air India
16 Oct - 13 Nov	Air India
01 Oct - 08 Oct	Air India
23 Oct - 05 Nov	Air India
02 Oct - 19 Nov	Air India
29 Oct - 28 Nov	Air India
16 Oct - 16 Nov	Air India
14 Oct - 20 Nov	Air India
02 Oct - 17 Oct	Air India
12 Oct - 31 Oct	Air India
16 Oct - 28 Nov	Air India
07 Oct - 15 Oct	Air India
10 Oct - 16 Oct	Air India
04 Oct - 25 Oct	Air India
13 Oct - 29 Oct	Air India
03 Oct - 10 Oct	Air India

Also check the deals for one-way flights from San Francisco to Bangalore 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 San Francisco to Bangalore in October from $594

Return flights