AirHint found the following cheapest return flights from Seattle (SEA) to Amman (AMM) in December 2025 (see full year).
Return flights
| 13 Dec - 23 Dec | Hawaiian Airlines | ||
| 24 Dec - 10 Jan | Icelandair | ||
| 23 Dec - 12 Jan | Icelandair | ||
| 17 Dec - 20 Dec | Aer Lingus | ||
| 18 Dec - 05 Jan | Alaska Airlines | ||
| 23 Dec - 03 Jan | Icelandair |
Also check the deals for one-way flights from Seattle to Amman in December.
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