AirHint found the following cheapest return flights from Everett (PAE) to Singapore (SIN) in December 2025 (see full year).
Return flights
| 30 Dec - 06 Jan | Alaska Airlines | ||
| 29 Dec - 05 Jan | Alaska Airlines | ||
| 14 Dec - 28 Dec | Finnair | ||
| 02 Dec - 31 Dec | Qatar Airways | ||
| 05 Dec - 02 Jan | Qatar Airways | ||
| 19 Dec - 04 Jan | Finnair | ||
| 18 Dec - 02 Jan | EVA Air |
Also check the deals for one-way flights from Everett to Singapore in December.
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