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

Return flights

31 Dec - 30 Jan	Delta
29 Dec - 29 Jan	Singapore Airlines
30 Dec - 14 Jan	Air India
02 Dec - 31 Jan	Virgin Atlantic
30 Dec - 29 Jan	KLM
04 Dec - 14 Jan	Air India
04 Dec - 15 Jan	Air India
29 Dec - 28 Jan	Delta
28 Dec - 27 Jan	Delta
07 Dec - 20 Jan	Singapore Airlines
06 Dec - 24 Dec	KLM
01 Dec - 28 Dec	Lufthansa
05 Dec - 28 Dec	Lufthansa
06 Dec - 20 Dec	Lufthansa
01 Dec - 30 Dec	Lufthansa
01 Dec - 31 Dec	Singapore Airlines
10 Dec - 27 Dec	Lufthansa
05 Dec - 31 Dec	Lufthansa
12 Dec - 26 Dec	Delta
09 Dec - 31 Dec	Lufthansa

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

Cheap car rent in Bangalore

Cheapest return flights from San Francisco to Bangalore in December from $708

Return flights