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

Return flights

28 Dec - 27 Jan	Virgin Atlantic
28 Dec - 30 Jan	Virgin Atlantic
28 Dec - 26 Jan	Virgin Atlantic
28 Dec - 28 Jan	Virgin Atlantic
28 Dec - 25 Jan	Etihad Airways
04 Dec - 11 Dec	Air France
29 Dec - 18 Jan	Etihad Airways
08 Dec - 14 Dec	Etihad Airways
08 Dec - 29 Dec	Lufthansa
05 Dec - 16 Jan	Etihad Airways
09 Dec - 22 Jan	Lufthansa
09 Dec - 20 Jan	Lufthansa
26 Dec - 22 Jan	Virgin Atlantic
01 Dec - 30 Dec	Lufthansa
05 Dec - 30 Dec	Lufthansa
10 Dec - 29 Dec	Lufthansa
13 Dec - 28 Dec	jetBlue
13 Dec - 29 Dec	Delta
14 Dec - 28 Dec	Delta
12 Dec - 30 Dec	IndiGo

Also check the deals for one-way flights from Boston 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.

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Cheapest return flights from Boston to Bangalore in December from $714

Return flights