AirHint found the following cheapest one-way flights from Raleigh-durham (RDU) to Sao Paulo (GRU) in December 2025 (see full year).
One-Way flights
| 23 Dec | Frontier Airlines | ||
| 22 Dec | Frontier Airlines | ||
| 21 Dec | Frontier Airlines | ||
| 20 Dec | Frontier Airlines |
Also check the deals for return flights from Raleigh-durham to Sao Paulo in December.
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