Cheapest return flights from London to Cologne in September from $73

AirHint found the following cheapest return flights from London (STN) to Cologne (CGN) in September 2026 (see full year).

Return flights

09 Sep - 16 Sep Ryanair direct
09 Sep - 22 Sep Ryanair direct
09 Sep - 10 Sep Ryanair direct
23 Sep - 08 Oct Ryanair direct
09 Sep - 25 Sep Ryanair direct
09 Sep - 20 Sep Ryanair direct
18 Sep - 20 Sep Ryanair direct
09 Sep - 15 Sep Ryanair direct
23 Sep - 07 Oct Ryanair direct
11 Sep - 22 Sep Ryanair direct
11 Sep - 16 Sep Ryanair direct
09 Sep - 18 Sep Ryanair direct
26 Sep - 08 Oct Ryanair direct
22 Sep - 08 Oct Ryanair direct
28 Sep - 08 Oct Ryanair direct
24 Sep - 08 Oct Ryanair direct
18 Sep - 08 Oct Ryanair direct
26 Sep - 07 Oct Ryanair direct
22 Sep - 07 Oct Ryanair direct
28 Sep - 07 Oct Ryanair direct

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