Cheapest return RJK–EWR flights, September

AirHint found the following cheapest return flights from Rijeka (RJK) to Newark (EWR) in September 2026 (see full year).

Return flights

04 Sep - 14 Sep Ryanair
02 Sep - 06 Sep Lufthansa

Also check the deals for one-way flights from Rijeka to Newark in September.

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