Cheapest return RDU–MDE flights, July

AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Rio Negro (MDE) in July 2026 (see full year).

Return flights

18 Jul - 22 Jul Frontier Airlines
31 Jul - 03 Aug Frontier Airlines

Also check the deals for one-way flights from Raleigh-durham to Rio Negro in July.

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