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

Return flights

29 Oct - 17 Nov	Pegasus Airlines
20 Oct - 31 Oct	Ryanair
06 Oct - 12 Oct	Ryanair
09 Oct - 30 Oct	Ryanair
26 Oct - 13 Nov	Ryanair
29 Oct - 25 Nov	Lufthansa
27 Oct - 23 Nov	Lufthansa
13 Oct - 26 Oct	Ryanair
27 Oct - 21 Nov	Lufthansa
06 Oct - 13 Oct	Ryanair
01 Oct - 14 Oct	Lufthansa
25 Oct - 13 Nov	Lufthansa
01 Oct - 19 Nov	Lufthansa
01 Oct - 15 Oct	Eurowings
26 Oct - 14 Nov	Lufthansa
18 Oct - 31 Oct	Eurowings
26 Oct - 16 Nov	Ryanair
11 Oct - 31 Oct	Ryanair
05 Oct - 12 Oct	AJet
21 Oct - 04 Nov	Austrian Airlines

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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Cologne to Bangkok in October from $669

Return flights