Cheapest return flights from Lisbon to Riga in September from $232

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

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

Return flights

06 Sep - 15 Sep Ryanair
16 Sep - 23 Sep Vueling Airlines
26 Sep - 29 Sep easyJet
11 Sep - 15 Sep Norwegian Air Sweden AOC
08 Sep - 13 Sep Ryanair
25 Sep - 28 Sep easyJet
04 Sep - 13 Sep Lufthansa
06 Sep - 11 Sep Ryanair
05 Sep - 11 Sep Ryanair
01 Sep - 05 Sep Ryanair

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

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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