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

Return flights

23 Aug - 29 Aug	Lufthansa
12 Aug - 26 Aug	Lufthansa
16 Aug - 26 Aug	Lufthansa
08 Aug - 18 Aug	Lufthansa
05 Aug - 20 Aug	Lufthansa
09 Aug - 19 Aug	Lufthansa
14 Aug - 22 Aug	Lufthansa
06 Aug - 10 Aug	Lufthansa
01 Aug - 04 Aug	Lufthansa
16 Aug - 24 Aug	Lufthansa

Also check the deals for one-way flights from Luxemburg to Riga 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 Luxemburg to Riga in August from $187

Return flights