AirHint found the following cheapest return flights from Redmond-Bend (RDM) to Seattle (SEA) in December 2025 (see full year).
Return flights
| 25 Dec - 29 Dec | Alaska Airlines | direct | |
| 30 Dec - 01 Jan | Alaska Airlines | direct | |
| 06 Dec - 07 Dec | Alaska Airlines | direct | |
| 05 Dec - 12 Dec | Alaska Airlines | direct |
Also check the deals for one-way flights from Redmond-Bend to Seattle in December.
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