AirHint found the following cheapest return flights from London (LCY) to Delhi (DEL) in December 2025 (see full year).

Return flights

31 Dec - 30 Jan	Lufthansa
02 Dec - 22 Dec	ITA Airways
10 Dec - 20 Jan	ITA Airways
03 Dec - 17 Dec	ITA Airways
04 Dec - 15 Dec	ITA Airways
08 Dec - 14 Jan	ITA Airways
01 Dec - 20 Jan	ITA Airways
31 Dec - 31 Jan	Lufthansa
29 Dec - 31 Jan	SWISS
02 Dec - 19 Dec	SWISS
02 Dec - 10 Dec	ITA Airways
02 Dec - 09 Dec	ITA Airways
01 Dec - 07 Dec	ITA Airways
09 Dec - 30 Dec	ITA Airways
01 Dec - 29 Dec	ITA Airways
04 Dec - 28 Dec	ITA Airways
30 Dec - 31 Jan	Lufthansa
31 Dec - 15 Jan	Lufthansa
31 Dec - 20 Jan	Lufthansa
10 Dec - 16 Jan	ITA Airways

Also check the deals for one-way flights from London to Delhi 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 London to Delhi in December from $622

Return flights