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

Return flights

27 Jul - 01 Aug	Eurowings	direct
27 Jul - 03 Aug	Eurowings	direct
20 Jul - 25 Jul	Eurowings	direct
11 Jul - 18 Jul	Eurowings	direct
13 Jul - 18 Jul	Eurowings	direct
20 Jul - 22 Jul	Eurowings
27 Jul - 10 Aug	Eurowings	direct
17 Jul - 18 Jul	Ryanair
25 Jul - 01 Aug	Eurowings	direct
14 Jul - 18 Jul	Ryanair
22 Jul - 29 Jul	Ryanair
20 Jul - 23 Jul	Eurowings
04 Jul - 11 Jul	Eurowings	direct
02 Jul - 09 Jul	Ryanair
17 Jul - 03 Aug	Ryanair
31 Jul - 03 Aug	Ryanair
26 Jul - 02 Aug	Lufthansa
31 Jul - 02 Aug	Lufthansa
30 Jul - 02 Aug	Ryanair
16 Jul - 02 Aug	Lufthansa

Also check the deals for one-way flights from Cologne to Prague 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 Prague in July from 129€

Return flights