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

Return flights

21 Jan - 27 Jan	Finnair
13 Jan - 19 Jan	Finnair
31 Jan - 07 Feb	Lufthansa
26 Jan - 31 Jan	Finnair
19 Jan - 27 Jan	Lufthansa
21 Jan - 31 Jan	Lufthansa
14 Jan - 21 Jan	Finnair
18 Jan - 25 Jan	Air Astana
16 Jan - 18 Feb	Finnair
18 Jan - 24 Jan	Finnair
12 Jan - 18 Jan	Finnair
09 Jan - 14 Jan	Finnair
16 Jan - 18 Feb	British Airways	direct
05 Jan - 05 Feb	Saudia
05 Jan - 05 Feb	British Airways	direct

Also check the deals for one-way flights from Delhi to London in January.

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 January from $581

Return flights