Cheapest return flights from Oslo to Riga in September from 85€

Best time to book flights for Oslo (OSL) to Riga (RIX) flights at AirHint

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

Return flights

18 Sep - 21 Sep airBaltic direct
26 Sep - 29 Sep Norwegian Air Sweden AOC direct
26 Sep - 08 Oct Norwegian Air Sweden AOC direct
26 Sep - 13 Oct Norwegian Air Sweden AOC direct
26 Sep - 15 Oct Norwegian Air Sweden AOC direct
26 Sep - 30 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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