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

Return flights

02 Jul - 07 Jul	Turkish Airlines
04 Jul - 07 Jul	Eurowings
10 Jul - 15 Jul	Ryanair
01 Jul - 18 Jul	Ryanair
01 Jul - 15 Jul	Ryanair
27 Jul - 30 Jul	AJet
08 Jul - 15 Jul	Ryanair
27 Jul - 13 Aug	AJet
05 Jul - 18 Jul	Ryanair
10 Jul - 13 Jul	Ryanair
04 Jul - 18 Jul	Eurowings
15 Jul - 04 Aug	Ryanair
22 Jul - 04 Aug	Ryanair
10 Jul - 08 Aug	Ryanair
05 Jul - 13 Aug	Ryanair
08 Jul - 26 Aug	Ryanair
22 Jul - 03 Aug	Ryanair
15 Jul - 05 Aug	Ryanair
19 Jul - 07 Aug	AJet
17 Jul - 07 Aug	Ryanair

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 $791

Return flights