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

Return flights

27 Aug - 09 Sep	Air India
20 Aug - 15 Sep	Air India
27 Aug - 05 Sep	Air India
23 Aug - 09 Sep	Air India
31 Aug - 08 Sep	Air India
17 Aug - 24 Aug	Akasa Air
29 Aug - 19 Sep	Air India
18 Aug - 31 Aug	KLM
21 Aug - 05 Sep	Cathay Pacific
15 Aug - 22 Aug	IndiGo
23 Aug - 31 Aug	IndiGo
14 Aug - 30 Aug	IndiGo
20 Aug - 02 Sep	Air France
24 Aug - 31 Aug	Air India
29 Aug - 07 Sep	Delta
15 Aug - 19 Aug	Delta
21 Aug - 05 Sep	Air India	direct
10 Aug - 24 Aug	IndiGo
13 Aug - 27 Aug	IndiGo
06 Aug - 13 Aug	KLM

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 729€

Return flights