Cheapest return flights from London to Cologne in September from $352

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

Return flights

02 Sep - 08 Sep SWISS
21 Sep - 21 Sep SWISS
16 Sep - 20 Sep SWISS
09 Sep - 20 Sep SWISS
08 Sep - 20 Sep SWISS
10 Sep - 20 Sep SWISS
02 Sep - 07 Sep SWISS
02 Sep - 06 Sep SWISS
03 Sep - 07 Sep SWISS
11 Sep - 13 Sep SWISS

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

Powered by

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 Cologne

Cheap car rent in Cologne

Feel free to contact us with any feedback or request another flight research.