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

Return flights

16 Sep - 23 Sep	Ryanair
09 Sep - 30 Sep	Ryanair
03 Sep - 10 Sep	Ryanair
23 Sep - 30 Sep	Ryanair
16 Sep - 22 Sep	Ryanair
23 Sep - 29 Sep	Ryanair
08 Sep - 15 Sep	Ryanair
10 Sep - 24 Sep	Ryanair
08 Sep - 14 Sep	Ryanair
13 Sep - 04 Oct	Ryanair
09 Sep - 17 Sep	Ryanair
20 Sep - 04 Oct	Ryanair
20 Sep - 10 Oct	Ryanair
01 Sep - 01 Oct	Eurowings
24 Sep - 04 Oct	Ryanair
26 Sep - 05 Oct	AJet
28 Sep - 18 Oct	AJet
19 Sep - 04 Oct	Eurowings

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

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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Cheapest return flights from Cologne to Tokyo in September from $783

Return flights