AirHint found the following cheapest return flights from Riga (RIX) to Seoul (ICN) in August 2025 (see full year).

Return flights

22 Aug - 25 Aug	airBaltic
29 Aug - 09 Sep	LOT
06 Aug - 23 Aug	airBaltic
05 Aug - 20 Aug	Ryanair
09 Aug - 13 Aug	Turkish Airlines
05 Aug - 23 Aug	Ryanair
01 Aug - 03 Aug	Uzbekistan Airways
30 Aug - 08 Sep	KLM
31 Aug - 08 Sep	KLM

Also check the deals for one-way flights from Riga to Seoul 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 return flights from Riga to Seoul in August from 690€

Return flights