AirHint found the following cheapest return flights from Boston (BOS) to Rio Negro (MDE) in January 2026 (see full year).

Return flights

13 Jan - 14 Jan	Spirit Airlines
13 Jan - 16 Jan	Spirit Airlines
11 Jan - 14 Jan	Spirit Airlines
11 Jan - 13 Jan	Spirit Airlines
11 Jan - 16 Jan	Spirit Airlines
07 Jan - 10 Jan	Spirit Airlines
07 Jan - 14 Jan	Spirit Airlines
07 Jan - 13 Jan	Spirit Airlines
07 Jan - 08 Jan	Spirit Airlines
07 Jan - 16 Jan	Spirit Airlines

Also check the deals for one-way flights from Boston to Rio Negro in January.

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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Cheapest return flights from Boston to Rio Negro in January from 967€

Return flights