Cheapest return flights from Lisbon to Riga in August from 291€

AirHint found the following cheapest return flights from Lisbon (LIS) to Riga (RIX) in August 2026 (see full year).

Return flights

24 Aug - 04 Sep airBaltic direct
03 Aug - 10 Aug airBaltic direct
23 Aug - 03 Sep Vueling Airlines

Also check the deals for one-way flights from Lisbon to Riga in August.

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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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