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

Return flights

28 Aug - 04 Sep	KLM
26 Aug - 02 Sep	Thai Lion Air
27 Aug - 16 Sep	Air India
28 Aug - 14 Sep	Air India
26 Aug - 15 Sep	Thai Lion Air
28 Aug - 29 Aug	Air India
29 Aug - 05 Sep	Air India
27 Aug - 15 Sep	Air India
28 Aug - 15 Sep	Air India
27 Aug - 03 Sep	Air India
29 Aug - 15 Sep	Air India
25 Aug - 28 Aug	Air India
21 Aug - 28 Aug	Air India
21 Aug - 31 Aug	Air India
27 Aug - 30 Aug	Air India
23 Aug - 27 Aug	Air India Express
16 Aug - 23 Aug	IndiGo
17 Aug - 22 Aug	IndiGo
20 Aug - 25 Aug	IndiGo
16 Aug - 31 Aug	IndiGo

Also check the deals for one-way flights from Bangalore to San Francisco in August.

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 August from $791

Return flights