Cheapest return flights from Oslo to Riga in September from 30€

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

Return flights

13 Sep - 17 Sep Ryanair direct
13 Sep - 01 Oct Ryanair direct
18 Sep - 01 Oct Ryanair direct
18 Sep - 02 Oct Ryanair direct
08 Sep - 17 Sep Ryanair direct
10 Sep - 17 Sep Ryanair direct
04 Sep - 06 Sep Ryanair direct
04 Sep - 17 Sep Ryanair direct
13 Sep - 19 Sep Ryanair direct
03 Sep - 06 Sep Ryanair direct
03 Sep - 17 Sep Ryanair direct
18 Sep - 19 Sep Ryanair direct
06 Sep - 17 Sep Ryanair direct
22 Sep - 11 Oct Ryanair direct
22 Sep - 01 Oct Ryanair direct
10 Sep - 01 Oct Ryanair direct
13 Sep - 02 Oct Ryanair direct
11 Sep - 01 Oct Ryanair direct
11 Sep - 02 Oct Ryanair direct
22 Sep - 02 Oct Ryanair direct

Also check the deals for one-way flights from Oslo 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.