Cheapest return flights from Rijeka to Bucharest in December from $470

AirHint found the following cheapest return flights from Rijeka (RJK) to Bucharest (OTP) in December 2025 (see full year).

Return flights

07 Dec - 13 Dec Croatia Airlines
07 Dec - 12 Dec Croatia Airlines

Also check the deals for one-way flights from Rijeka to Bucharest in December.

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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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