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

Return flights

13 Dec - 18 Jan	Oman Air
02 Dec - 07 Dec	Royal Jordanian
06 Dec - 09 Jan	Etihad Airways
07 Dec - 12 Jan	LOT
01 Dec - 08 Dec	Oman Air
25 Dec - 25 Jan	Lufthansa
24 Dec - 20 Jan	Lufthansa
10 Dec - 05 Jan	LOT
02 Dec - 02 Jan	Etihad Airways
02 Dec - 03 Jan	Etihad Airways
03 Dec - 02 Jan	Etihad Airways
12 Dec - 30 Jan	Oman Air
08 Dec - 31 Dec	Kuwait Airways
13 Dec - 31 Dec	Kuwait Airways
01 Dec - 07 Dec	Oman Air
01 Dec - 11 Dec	Etihad Airways
06 Dec - 28 Dec	Kuwait Airways
05 Dec - 28 Dec	Kuwait Airways
01 Dec - 10 Dec	SWISS
10 Dec - 15 Dec	LOT

Also check the deals for one-way flights from Mumbai 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 Mumbai to London in December from 436€

Return flights