AirHint found the following cheapest return flights from Seattle (SEA) to Panama City (PTY) in December 2025 (see full year).
Return flights
| 09 Dec - 16 Dec | American Airlines | ||
| 10 Dec - 17 Dec | American Airlines | ||
| 14 Dec - 20 Dec | United | ||
| 01 Dec - 07 Dec | Frontier Airlines | ||
| 22 Dec - 02 Jan | Aeromexico | ||
| 25 Dec - 03 Jan | Frontier Airlines |
Also check the deals for one-way flights from Seattle to Panama City in December.
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