AirHint found the following cheapest return flights from Bangalore (BLR) to San Francisco (SFO) in April 2026 (see full year).

Return flights

01 Apr - 08 Apr	Air France
13 Apr - 23 Apr	Air France
29 Apr - 12 May	Air France
08 Apr - 13 May	Air France
15 Apr - 17 May	Delta
16 Apr - 18 May	Delta
06 Apr - 15 May	Air France
10 Apr - 22 Apr	KLM
22 Apr - 01 May	Air France
03 Apr - 27 Apr	Air India
16 Apr - 18 May	Air India	direct
30 Apr - 15 May	Air India	direct
29 Apr - 12 May	Air India	direct
22 Apr - 01 May	Air India	direct

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

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 April from 665€

Return flights