AirHint found the following cheapest return flights from Seattle (SEA) to Paris (CDG) in December 2026 (see full year).
Return flights
| 29 Dec - 12 Jan | Air Canada | ||
| 07 Dec - 21 Dec | Lufthansa | ||
| 10 Dec - 24 Dec | United | ||
| 07 Dec - 21 Dec | Delta | direct | |
| 23 Dec - 04 Jan | Lufthansa | ||
| 29 Dec - 05 Jan | Alaska Airlines |
Also check the deals for one-way flights from Seattle to Paris in December.
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