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

Return flights

02 Jun - 09 Jun	Scandinavian Airlines
20 Jun - 28 Jul	Scandinavian Airlines
20 Jun - 25 Jul	Scandinavian Airlines
20 Jun - 24 Jun	Scandinavian Airlines
01 Jun - 08 Jun	Ryanair
19 Jun - 22 Jun	KLM
19 Jun - 24 Jun	Lufthansa
22 Jun - 27 Jun	Ryanair
04 Jun - 07 Jun	Ryanair
22 Jun - 26 Jun	Ryanair
26 Jun - 29 Jun	KLM
19 Jun - 27 Jul	Lufthansa
18 Jun - 21 Jun	Finnair
19 Jun - 27 Jul	airBaltic	direct

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

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 Lisbon to Riga in June from $266

Return flights