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

Return flights

02 Mar - 23 Mar	Turkish Airlines
02 Mar - 15 Mar	Lufthansa
17 Mar - 03 Apr	Turkish Airlines
14 Mar - 03 Apr	Turkish Airlines
24 Mar - 04 Apr	Turkish Airlines
30 Mar - 15 Apr	SWISS
28 Mar - 12 Apr	Ryanair
23 Mar - 05 Apr	Turkish Airlines

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

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 March from 719€

Return flights