AirHint found the following cheapest return flights from London (LCY) to Copenhagen (CPH) in October 2025 (see full year).

Return flights

30 Oct - 11 Nov	KLM
30 Oct - 06 Nov	KLM
31 Oct - 04 Nov	KLM
30 Oct - 03 Nov	KLM
30 Oct - 01 Nov	KLM
31 Oct - 03 Nov	SWISS
22 Oct - 28 Oct	SWISS
02 Oct - 07 Oct	SWISS
31 Oct - 07 Nov	SWISS
31 Oct - 05 Nov	SWISS
14 Oct - 17 Oct	KLM
09 Oct - 15 Oct	KLM
09 Oct - 23 Oct	KLM
04 Oct - 15 Oct	KLM
21 Oct - 28 Oct	KLM
02 Oct - 06 Oct	KLM
10 Oct - 14 Oct	KLM
15 Oct - 26 Oct	KLM
31 Oct - 18 Nov	SWISS
31 Oct - 01 Nov	KLM

Also check the deals for one-way flights from London to Copenhagen 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.

Book a cheap hotel in Copenhagen

Cheap car rent in Copenhagen

Cheapest return flights from London to Copenhagen in October from 206€

Return flights