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

Return flights

02 Dec - 06 Dec	Etihad Airways
19 Dec - 17 Jan	Oman Air
19 Dec - 15 Jan	Oman Air
17 Dec - 03 Jan	Oman Air
11 Dec - 03 Jan	Oman Air
15 Dec - 04 Jan	Oman Air
19 Dec - 02 Jan	Oman Air
18 Dec - 02 Jan	Oman Air
25 Dec - 03 Jan	Oman Air
22 Dec - 02 Jan	Oman Air
21 Dec - 22 Jan	Oman Air
20 Dec - 31 Dec	IndiGo
09 Dec - 30 Dec	Qatar Airways
18 Dec - 31 Dec	Qatar Airways
07 Dec - 14 Dec	Oman Air
14 Dec - 27 Dec	Oman Air
14 Dec - 28 Dec	Oman Air
15 Dec - 25 Dec	Oman Air
10 Dec - 15 Dec	Oman Air
06 Dec - 15 Dec	Oman Air

Also check the deals for one-way flights from Bangalore to London 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 London in December from 456€

Return flights