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	Air France
18 Dec - 31 Dec	KLM
10 Dec - 13 Jan	KLM
18 Dec - 01 Jan	KLM
02 Dec - 16 Jan	KLM
17 Dec - 30 Dec	KLM
10 Dec - 30 Dec	KLM
03 Dec - 06 Jan	Delta
20 Dec - 05 Jan	KLM
24 Dec - 02 Jan	KLM
19 Dec - 04 Jan	KLM
21 Dec - 06 Jan	Delta
14 Dec - 23 Dec	KLM
17 Dec - 03 Jan	KLM
11 Dec - 27 Dec	KLM
03 Dec - 10 Dec	Air France
10 Dec - 26 Dec	Delta
19 Dec - 26 Dec	Delta
14 Dec - 21 Dec	KLM
11 Dec - 20 Dec	Etihad Airways

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.

Book a cheap hotel in San Francisco

Cheap car rent in San Francisco

Cheapest return flights from Bangalore to San Francisco in December from 649€

Return flights