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

Return flights

21 Dec - 29 Dec	Lufthansa
22 Dec - 30 Dec	Lufthansa
01 Dec - 10 Jan	Lufthansa
14 Dec - 30 Dec	Lufthansa
15 Dec - 31 Dec	Lufthansa
01 Dec - 01 Jan	Lufthansa
10 Dec - 23 Dec	Lufthansa
17 Dec - 02 Jan	Lufthansa
18 Dec - 03 Jan	Lufthansa
20 Dec - 03 Jan	Lufthansa
03 Dec - 16 Dec	Cathay Pacific
11 Dec - 02 Jan	Lufthansa
20 Dec - 05 Jan	Singapore Airlines
11 Dec - 26 Dec	Lufthansa
01 Dec - 14 Dec	Air Canada
10 Dec - 23 Dec	Air India	direct
11 Dec - 26 Dec	Air India	direct
11 Dec - 02 Jan	Air India	direct
17 Dec - 02 Jan	Air India	direct

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 $886

Return flights