AirHint found the following cheapest return flights from Delhi (DEL) to London (LHR) in December 2026 (see full year).

Return flights

25 Dec - 03 Jan	Finnair
25 Dec - 01 Jan	Finnair
12 Dec - 26 Dec	Finnair
23 Dec - 27 Dec	Finnair
19 Dec - 30 Dec	Finnair
24 Dec - 02 Jan	Finnair
19 Dec - 02 Jan	Finnair
23 Dec - 09 Jan	Finnair
20 Dec - 30 Dec	Finnair
23 Dec - 23 Dec	Kuwait Airways
12 Dec - 26 Dec	British Airways	direct
23 Dec - 27 Dec	British Airways	direct
23 Dec - 09 Jan	British Airways	direct
20 Dec - 30 Dec	British Airways	direct
23 Dec - 23 Dec	Air India	direct
21 Dec - 28 Dec	Singapore Airlines
18 Dec - 04 Jan	Qatar Airways

Also check the deals for one-way flights from Delhi 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 Delhi to London in December from $552

Return flights