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

Return flights

22 Dec - 21 Jan	Virgin Atlantic
19 Dec - 11 Jan	Virgin Atlantic
20 Dec - 11 Jan	Air India
20 Dec - 01 Jan	Air India
13 Dec - 30 Dec	Air India
23 Dec - 01 Jan	Air India
12 Dec - 04 Jan	Air India
19 Dec - 04 Jan	Air India
11 Dec - 02 Jan	Air India
04 Dec - 10 Jan	Air India
23 Dec - 02 Jan	Air India
24 Dec - 30 Dec	Air India	direct
11 Dec - 29 Dec	Air India	direct
20 Dec - 27 Dec	Air India
01 Dec - 08 Dec	Air France
05 Dec - 17 Dec	Japan Airlines
12 Dec - 13 Dec	Air India
01 Dec - 14 Dec	Air India
29 Dec - 29 Dec	Cathay Pacific
02 Dec - 16 Dec	KLM

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 712€

Return flights