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

Return flights

01 Dec - 08 Dec	Delta
07 Dec - 15 Jan	Lufthansa
24 Dec - 30 Jan	Delta
23 Dec - 19 Jan	Lufthansa
15 Dec - 20 Jan	IndiGo
08 Dec - 05 Jan	British Airways
20 Dec - 08 Jan	British Airways
13 Dec - 20 Jan	IndiGo
15 Dec - 12 Jan	IndiGo
06 Dec - 04 Jan	British Airways
15 Dec - 11 Jan	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 656€

Return flights