AirHint found the following cheapest one-way flights from Riga (RIX) to Cologne (CGN) in August 2025 (see full year).

One-Way flights

29 Aug	Norwegian Air Sweden AOC
30 Aug	Norwegian Air Sweden AOC
27 Aug	Ryanair
26 Aug	Ryanair	direct
28 Aug	Ryanair
25 Aug	Ryanair
31 Aug	Ryanair
24 Aug	Ryanair
19 Aug	Ryanair	direct
22 Aug	Norwegian Air Sweden AOC

Also check the deals for return flights from Riga to Cologne in August.

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 one-way flights from Riga to Cologne in August from 96€

One-Way flights