AirHint found the following cheapest return flights from Cologne (CGN) to Bangkok (BKK) in April 2026 (see full year).

Return flights

03 Apr - 06 Apr	Eurowings
18 Apr - 04 May	Eurowings
15 Apr - 22 Apr	Eurowings
20 Apr - 26 Apr	Eurowings
10 Apr - 17 Apr	Lufthansa
19 Apr - 02 May	Lufthansa
19 Apr - 04 May	Austrian Airlines
18 Apr - 03 May	SWISS

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

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 April from $782

Return flights