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

Return flights

20 Jul - 25 Jul	Eurowings	direct
27 Jul - 01 Aug	Eurowings	direct
18 Jul - 25 Jul	Eurowings	direct
27 Jul - 30 Jul	Eurowings
27 Jul - 29 Jul	Eurowings
27 Jul - 31 Jul	Eurowings
15 Jul - 18 Jul	Ryanair
20 Jul - 22 Jul	Eurowings
27 Jul - 03 Aug	Eurowings	direct
06 Jul - 11 Jul	Eurowings	direct
16 Jul - 18 Jul	Ryanair
09 Jul - 11 Jul	Ryanair
29 Jul - 01 Aug	Ryanair
29 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 $125

Return flights