Cheapest one-way flights from Lisbon to Riga in September from $104

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

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

One-Way flights

16 Sep Vueling Airlines
13 Sep Ryanair
09 Sep Vueling Airlines
22 Sep Transavia France
17 Sep Ryanair
20 Sep Ryanair
11 Sep Norwegian Air Sweden AOC
05 Sep Ryanair
08 Sep Ryanair
26 Sep Vueling Airlines

Also check the deals for return 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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