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

Return flights

01 Dec - 14 Jan	Etihad Airways
18 Dec - 17 Jan	Etihad Airways
11 Dec - 12 Jan	Etihad Airways
17 Dec - 19 Jan	Etihad Airways
14 Dec - 29 Jan	Etihad Airways
17 Dec - 27 Jan	Etihad Airways
18 Dec - 15 Jan	Etihad Airways
15 Dec - 12 Jan	Etihad Airways
19 Dec - 10 Jan	Etihad Airways
01 Dec - 27 Jan	Etihad Airways
11 Dec - 30 Dec	Etihad Airways
02 Dec - 09 Dec	Etihad Airways
18 Dec - 31 Dec	SWISS
16 Dec - 31 Dec	SWISS
24 Dec - 31 Dec	SWISS
15 Dec - 31 Dec	SWISS
04 Dec - 29 Dec	Oman Air
01 Dec - 09 Dec	Etihad Airways
11 Dec - 29 Dec	Oman Air
15 Dec - 30 Dec	SWISS

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Mumbai to London in December from 409€

Return flights