Cheapest return flights from Oslo to Riga in September from 56€

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

Return flights

08 Sep - 24 Sep Ryanair direct
17 Sep - 24 Sep Ryanair direct
08 Sep - 11 Sep Ryanair direct
13 Sep - 24 Sep Norwegian Air Sweden AOC direct
26 Sep - 12 Oct Ryanair direct
04 Sep - 24 Sep Norwegian Air Sweden AOC direct
04 Sep - 11 Sep Norwegian Air Sweden AOC direct
04 Sep - 06 Sep Norwegian Air Sweden AOC direct
17 Sep - 20 Sep Ryanair

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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