Cheapest return flights from Cologne to Lisbon in September from $169

Best time to book flights for Cologne (CGN) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Cologne (CGN) to Lisbon (LIS) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep Ryanair
06 Sep - 17 Sep Ryanair
24 Sep - 30 Sep Ryanair
06 Sep - 24 Sep Ryanair direct
06 Sep - 10 Sep Ryanair
15 Sep - 18 Sep Ryanair
10 Sep - 17 Sep Ryanair
17 Sep - 24 Sep Ryanair
20 Sep - 08 Oct Ryanair direct
17 Sep - 24 Sep Ryanair direct
10 Sep - 24 Sep Ryanair direct
29 Sep - 04 Oct Ryanair
17 Sep - 01 Oct Ryanair direct
20 Sep - 04 Oct Ryanair
27 Sep - 15 Oct Ryanair direct
13 Sep - 01 Oct Ryanair direct
24 Sep - 08 Oct Ryanair direct
20 Sep - 01 Oct Ryanair direct
28 Sep - 04 Oct Ryanair
27 Sep - 07 Oct Ryanair

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