Cheapest return flights from Riga to Lisbon in September from 183€

Best time to book flights for Riga (RIX) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Riga (RIX) to Lisbon (LIS) in September 2025 (see full year).

Return flights

19 Sep - 24 Sep Lufthansa
12 Sep - 17 Sep Lufthansa
22 Sep - 27 Sep Norwegian Air Sweden AOC
16 Sep - 20 Sep Lufthansa
12 Sep - 19 Sep Lufthansa
12 Sep - 20 Sep Lufthansa
02 Sep - 09 Sep Ryanair
22 Sep - 25 Sep Norwegian Air Sweden AOC
08 Sep - 12 Sep Lufthansa
06 Sep - 13 Sep Ryanair

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

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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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