AirHint found the following cheapest return flights from Dallas (DAL) to Rio De Janeiro (GIG) in December 2025 (see full year).
Return flights
| 06 Dec - 13 Dec | LATAM Airlines Group | ||
| 09 Dec - 27 Dec | Delta | ||
| 15 Dec - 21 Dec | Delta | ||
| 28 Dec - 02 Jan | LATAM Airlines Group |
Also check the deals for one-way flights from Dallas to Rio De Janeiro in December.
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