Cheapest return flights from Lisbon to Riga in September from 195€

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

Return flights

26 Sep - 29 Sep Aer Lingus
24 Sep - 29 Sep Ryanair
30 Sep - 03 Oct Aer Lingus
24 Sep - 28 Sep Ryanair
29 Sep - 03 Oct Ryanair
26 Sep - 30 Sep Aer Lingus
23 Sep - 30 Sep Ryanair
26 Sep - 28 Sep Aer Lingus
25 Sep - 28 Sep Ryanair
22 Sep - 27 Sep Ryanair
13 Sep - 22 Sep Ryanair
29 Sep - 02 Oct Ryanair
17 Sep - 20 Sep Ryanair
29 Sep - 03 Oct airBaltic direct

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.

Book a cheap hotel in Riga

Cheap car rent in Riga

Feel free to contact us with any feedback or request another flight research.