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

Return flights

20 Apr - 08 May	Singapore Airlines
11 Apr - 21 May	Singapore Airlines
10 Apr - 21 May	Singapore Airlines
17 Apr - 21 May	Singapore Airlines
24 Apr - 09 May	Singapore Airlines
10 Apr - 02 May	Singapore Airlines
17 Apr - 09 May	Singapore Airlines
21 Apr - 22 May	Singapore Airlines
01 Apr - 30 Apr	Delta
16 Apr - 22 Apr	Delta
11 Apr - 20 Apr	Virgin Atlantic
05 Apr - 12 Apr	Air India
01 Apr - 10 May	KLM

Also check the deals for one-way flights from San Francisco to Bangalore 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 San Francisco to Bangalore in April from $677

Return flights