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

Return flights

03 Dec - 06 Jan	Virgin Atlantic
14 Dec - 30 Dec	Lufthansa
18 Dec - 02 Jan	Virgin Atlantic
03 Dec - 06 Jan	Air India	direct
09 Dec - 31 Dec	Air India
28 Dec - 02 Jan	Lufthansa
14 Dec - 30 Dec	Air India	direct
18 Dec - 02 Jan	Air India	direct
28 Dec - 02 Jan	Air India	direct
19 Dec - 03 Jan	Air India
15 Dec - 01 Jan	Air India
20 Dec - 05 Jan	Air India
04 Dec - 19 Dec	Air India
06 Dec - 20 Dec	Air India

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

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 December from 623€

Return flights