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

Return flights

22 Aug - 27 Aug	Norwegian Air Sweden AOC
11 Aug - 21 Aug	Norwegian Air Sweden AOC
01 Aug - 14 Aug	Wizz Air
14 Aug - 18 Aug	Wizz Air
01 Aug - 03 Aug	Wizz Air
01 Aug - 10 Aug	Wizz Air
06 Aug - 16 Aug	KLM
07 Aug - 16 Aug	KLM
10 Aug - 17 Aug	KLM

Also check the deals for one-way flights from Basel 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 Basel to Riga in August from 216€

Return flights