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

Return flights

04 Jun - 18 Jun	Turkish Airlines
01 Jun - 29 Jun	Austrian Airlines
11 Jun - 29 Jun	Lufthansa
08 Jun - 17 Jun	Austrian Airlines
09 Jun - 29 Jun	Austrian Airlines
08 Jun - 29 Jun	Austrian Airlines
01 Jun - 04 Jun	Austrian Airlines
01 Jun - 01 Jul	Austrian Airlines
01 Jun - 08 Jun	Turkish Airlines
05 Jun - 14 Jun	Lufthansa
13 Jun - 20 Jun	Lufthansa
19 Jun - 04 Jul	Pegasus Airlines

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

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 June from $662

Return flights