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

Return flights

24 Jun - 01 Jul	Eurowings
24 Jun - 08 Jul	Ryanair
28 Jun - 04 Jul	Eurowings
21 Jun - 30 Jun	AJet
24 Jun - 29 Jun	Eurowings
29 Jun - 04 Jul	Eurowings
23 Jun - 14 Jul	Ryanair
22 Jun - 25 Jun	Pegasus Airlines
21 Jun - 25 Jun	AJet
21 Jun - 27 Jun	AJet
24 Jun - 27 Jun	Eurowings
22 Jun - 27 Jun	AJet
21 Jun - 24 Jun	AJet
28 Jun - 01 Jul	Ryanair
21 Jun - 26 Jun	AJet
22 Jun - 29 Jun	Pegasus Airlines
28 Jun - 05 Jul	Ryanair
25 Jun - 02 Jul	Turkish Airlines
28 Jun - 03 Jul	Eurowings
27 Jun - 02 Jul	AJet

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 $729

Return flights