Cheapest one-way flights from Boston to Rio Negro in December from $124

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

One-Way flights

07 Dec Spirit Airlines
10 Dec Spirit Airlines
04 Dec Spirit Airlines
03 Dec Spirit Airlines
06 Dec Spirit Airlines
05 Dec Spirit Airlines
02 Dec Spirit Airlines
13 Dec Spirit Airlines
14 Dec Spirit Airlines
01 Dec Spirit Airlines

Also check the deals for return flights from Boston to Rio Negro in December.

Skyscanner

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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