Cheapest return flights from Oslo to Riga in September from 31€

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

Return flights

15 Sep - 18 Sep Ryanair direct
18 Sep - 25 Sep Ryanair direct
18 Sep - 19 Sep Ryanair direct
17 Sep - 18 Sep Ryanair direct
25 Sep - 02 Oct Ryanair direct
15 Sep - 17 Sep Ryanair direct
22 Sep - 25 Sep Ryanair direct
20 Sep - 24 Sep Ryanair direct
18 Sep - 20 Sep Ryanair direct
19 Sep - 26 Sep Ryanair direct
20 Sep - 27 Sep Ryanair direct
26 Sep - 02 Oct Ryanair direct
27 Sep - 01 Oct Ryanair direct
29 Sep - 03 Oct Ryanair direct
30 Sep - 01 Oct Norwegian Air Sweden AOC direct
30 Sep - 07 Oct Norwegian Air Sweden AOC direct
30 Sep - 08 Oct Norwegian Air Sweden AOC direct
30 Sep - 17 Oct Norwegian Air Sweden AOC direct
30 Sep - 16 Oct Norwegian Air Sweden AOC direct
30 Sep - 21 Oct Norwegian Air Sweden AOC direct

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

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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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