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

Return flights

05 Oct - 16 Oct	Air India
19 Oct - 24 Oct	Air India
05 Oct - 12 Oct	Air India
02 Oct - 09 Oct	Air India
04 Oct - 11 Oct	Air India
07 Oct - 18 Oct	Air India
09 Oct - 16 Oct	Air India
11 Oct - 18 Oct	Air India
12 Oct - 19 Oct	Air India
16 Oct - 23 Oct	Air India
27 Oct - 03 Nov	Air France
02 Oct - 03 Nov	Air France
15 Oct - 12 Nov	KLM
29 Oct - 05 Nov	Air France
03 Oct - 25 Nov	KLM
31 Oct - 11 Nov	Delta
07 Oct - 02 Nov	Delta
02 Oct - 02 Nov	Delta
23 Oct - 10 Nov	Delta
30 Oct - 06 Nov	Delta

Also check the deals for one-way flights from Bangalore 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 Bangalore to San Francisco in October from $714

Return flights