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

Return flights

15 Dec - 14 Jan	SalamAir
22 Dec - 31 Dec	Kuwait Airways
15 Dec - 18 Jan	SalamAir
17 Dec - 23 Dec	Kuwait Airways
11 Dec - 08 Jan	SalamAir
13 Dec - 04 Jan	SalamAir
06 Dec - 10 Jan	IndiGo
14 Dec - 10 Jan	AZAL
05 Dec - 11 Jan	Kuwait Airways
01 Dec - 03 Jan	SalamAir
15 Dec - 08 Jan	SalamAir
13 Dec - 17 Jan	AZAL
01 Dec - 11 Dec	Kuwait Airways
11 Dec - 15 Dec	Kuwait Airways
05 Dec - 15 Dec	Kuwait Airways
14 Dec - 25 Dec	Kuwait Airways
10 Dec - 31 Dec	SalamAir
09 Dec - 15 Dec	Kuwait Airways
23 Dec - 30 Dec	Kuwait Airways
13 Dec - 29 Dec	SalamAir

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 339€

Return flights