Cheapest return flights from Kolkata to San Francisco in August from 842€

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

Return flights

25 Aug - 08 Sep Singapore Airlines
15 Aug - 15 Sep IndiGo
19 Aug - 26 Aug Air India
15 Aug - 14 Sep Air India
04 Aug - 16 Aug IndiGo

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

Skyscanner

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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