Cheapest one-way flights from Philadelphia to Rio Negro in December from 105€

AirHint found the following cheapest one-way flights from Philadelphia (PHL) to Rio Negro (MDE) in December 2025 (see full year).

One-Way flights

07 Dec Frontier Airlines
08 Dec Frontier Airlines
30 Dec Spirit Airlines
05 Dec Frontier Airlines
13 Dec Spirit Airlines
16 Dec Spirit Airlines
31 Dec Spirit Airlines
29 Dec Spirit Airlines
28 Dec Frontier Airlines
02 Dec Spirit Airlines

Also check the deals for return flights from Philadelphia to Rio Negro 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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