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

Return flights

04 May - 29 May	Singapore Airlines
05 May - 29 May	Singapore Airlines
01 May - 31 May	Singapore Airlines
01 May - 30 May	Singapore Airlines
05 May - 19 May	Singapore Airlines
13 May - 25 May	Delta
14 May - 25 May	Delta
14 May - 24 May	Delta
15 May - 23 May	Delta
14 May - 23 May	Delta
22 May - 20 Jun	Virgin Atlantic
23 May - 20 Jun	Singapore Airlines
31 May - 30 Jun	Air India

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

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 May from $644

Return flights