AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Rio Negro (MDE) in December 2025 (see full year).

Return flights

03 Dec - 09 Dec	Spirit Airlines
02 Dec - 09 Dec	Spirit Airlines
05 Dec - 09 Dec	Spirit Airlines
05 Dec - 08 Dec	Spirit Airlines
03 Dec - 08 Dec	Spirit Airlines
02 Dec - 08 Dec	Spirit Airlines
09 Dec - 26 Dec	Spirit Airlines
09 Dec - 15 Dec	Spirit Airlines
10 Dec - 26 Dec	Spirit Airlines
05 Dec - 15 Dec	Spirit Airlines
29 Dec - 19 Jan	Spirit Airlines
29 Dec - 06 Jan	Spirit Airlines
26 Dec - 03 Jan	American Airlines
29 Dec - 04 Jan	Spirit Airlines
23 Dec - 03 Jan	Spirit Airlines
29 Dec - 05 Jan	Spirit Airlines
21 Dec - 04 Jan	Spirit Airlines
26 Dec - 06 Jan	Spirit Airlines
21 Dec - 06 Jan	Spirit Airlines
23 Dec - 06 Jan	Spirit Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to Rio Negro in December.

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.

Book a cheap hotel in Rio Negro

Cheap car rent in Rio Negro

Cheapest return flights from Dallas-Fort Worth to Rio Negro in December from $305

Return flights