Cheapest return flights from Riga to Lisbon in September from 182€

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

13 Sep - 17 Sep Lufthansa
05 Sep - 12 Sep Lufthansa
19 Sep - 26 Sep Lufthansa
22 Sep - 03 Oct Lufthansa
27 Sep - 04 Oct Ryanair
08 Sep - 15 Sep Lufthansa
22 Sep - 29 Sep Lufthansa
06 Sep - 08 Sep Lufthansa
22 Sep - 26 Sep Lufthansa
22 Sep - 27 Sep Norwegian Air Sweden AOC
05 Sep - 12 Sep airBaltic direct
05 Sep - 15 Sep Lufthansa
26 Sep - 03 Oct Lufthansa
26 Sep - 05 Oct Norwegian Air Sweden AOC
22 Sep - 03 Oct airBaltic direct

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

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon