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

Return flights

08 Oct - 21 Oct	SWISS
01 Oct - 21 Oct	SWISS
01 Oct - 22 Oct	SWISS
10 Oct - 22 Oct	SWISS
16 Oct - 22 Oct	SWISS
14 Oct - 21 Oct	SWISS
16 Oct - 21 Oct	Lufthansa
17 Oct - 02 Nov	Kuwait Airways
15 Oct - 02 Nov	Kuwait Airways
03 Oct - 02 Nov	Kuwait Airways
12 Oct - 28 Oct	Finnair
05 Oct - 12 Oct	Finnair
07 Oct - 10 Nov	Finnair
06 Oct - 11 Nov	Finnair
16 Oct - 15 Nov	Finnair
12 Oct - 02 Nov	Finnair
12 Oct - 03 Nov	Finnair
01 Oct - 09 Oct	Finnair
24 Oct - 05 Nov	Finnair
15 Oct - 06 Nov	Finnair

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

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 October from $575

Return flights