Cheapest return flights from London to Copenhagen in September from $265

AirHint found the following cheapest return flights from London (LCY) to Copenhagen (CPH) in September 2026 (see full year).

Return flights

18 Sep - 22 Sep SWISS
04 Sep - 07 Sep KLM
21 Sep - 25 Sep KLM
07 Sep - 10 Sep KLM
18 Sep - 21 Sep KLM
30 Sep - 07 Oct KLM
19 Sep - 20 Sep KLM
20 Sep - 24 Sep KLM
18 Sep - 20 Sep KLM
04 Sep - 06 Sep KLM
07 Sep - 13 Sep KLM

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

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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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