AirHint found the following cheapest return flights from Cologne (CGN) to Bangkok (BKK) in October 2025 (see full year).

Return flights

16 Oct - 26 Oct	Ryanair
29 Oct - 27 Nov	AJet
04 Oct - 14 Oct	Turkish Airlines
01 Oct - 31 Oct	Ryanair
15 Oct - 13 Nov	Ryanair
30 Oct - 13 Nov	Pegasus Airlines
28 Oct - 12 Nov	Ryanair
13 Oct - 10 Nov	Ryanair
31 Oct - 14 Nov	AJet
25 Oct - 10 Nov	Ryanair
18 Oct - 31 Oct	Ryanair
25 Oct - 09 Nov	Ryanair
28 Oct - 11 Nov	Ryanair
20 Oct - 03 Nov	Ryanair
11 Oct - 26 Oct	Ryanair
01 Oct - 05 Oct	Lufthansa
01 Oct - 12 Oct	Ryanair
06 Oct - 11 Oct	Ryanair
01 Oct - 18 Oct	Ryanair
01 Oct - 17 Oct	Eurowings

Also check the deals for one-way flights from Cologne to Bangkok in October.

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 Bangkok in October from 555€

Return flights