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

Return flights

31 Jul - 14 Aug	Eurowings
08 Jul - 29 Jul	Turkish Airlines
09 Jul - 31 Jul	Turkish Airlines
28 Jul - 13 Aug	Ryanair
27 Jul - 14 Aug	Eurowings
19 Jul - 26 Jul	Turkish Airlines
18 Jul - 31 Jul	Turkish Airlines
17 Jul - 03 Aug	Turkish Airlines
21 Jul - 23 Aug	Singapore Airlines
21 Jul - 12 Aug	Singapore Airlines
21 Jul - 25 Aug	Singapore Airlines
03 Jul - 31 Jul	SWISS
22 Jul - 20 Aug	SWISS
21 Jul - 20 Aug	SWISS
13 Jul - 30 Jul	SWISS
25 Jul - 15 Aug	Lufthansa

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

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 July from $1055

Return flights