Cheapest return flights from Oslo to Riga in September from 55€

AirHint found the following cheapest return flights from Oslo (OSL) to Riga (RIX) in September 2026 (see full year).

Return flights

15 Sep - 26 Sep Ryanair direct
16 Sep - 26 Sep Ryanair direct
10 Sep - 26 Sep Ryanair direct
15 Sep - 16 Sep Ryanair direct
16 Sep - 07 Oct Ryanair direct
10 Sep - 16 Sep Ryanair direct
13 Sep - 26 Sep Norwegian Air Sweden AOC direct
11 Sep - 07 Oct airBaltic direct
13 Sep - 16 Sep airBaltic direct
10 Sep - 13 Sep Ryanair direct
10 Sep - 10 Sep Ryanair
11 Sep - 26 Sep 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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