Cheapest return flights from Riga to Lisbon in May from $249

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

Return flights

07 May - 12 May Lufthansa
05 May - 12 May Lufthansa
11 May - 18 May airBaltic direct
30 May - 08 Jun airBaltic direct
04 May - 12 May Lufthansa
04 May - 11 May Lufthansa
22 May - 25 May Lufthansa
12 May - 19 May Ryanair
04 May - 09 May Lufthansa
03 May - 10 May SWISS
01 May - 09 May Finnair

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

Skyscanner

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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