Cheapest return flights from Detroit to Rio Negro in April from $340

AirHint found the following cheapest return flights from Detroit (DTW) to Rio Negro (MDE) in April 2026 (see full year).

Return flights

26 Apr - 18 May Spirit Airlines
26 Apr - 19 May Spirit Airlines
13 Apr - 21 Apr Frontier Airlines
22 Apr - 26 Apr Frontier Airlines
07 Apr - 14 Apr Frontier Airlines
26 Apr - 17 May Spirit Airlines
02 Apr - 21 Apr Spirit Airlines
13 Apr - 26 Apr Spirit Airlines
05 Apr - 21 Apr Spirit Airlines
05 Apr - 26 Apr Spirit Airlines

Also check the deals for one-way flights from Detroit to Rio Negro in April.

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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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