AirHint found the following cheapest return flights from Valencia (VLC) to Washington (IAD) in December 2025 (see full year).
Return flights
| 04 Dec - 11 Dec | Iberia | ||
| 04 Dec - 15 Jan | Iberia | ||
| 01 Dec - 08 Dec | SWISS | ||
| 25 Dec - 31 Dec | TAP | ||
| 12 Dec - 27 Dec | TAP | ||
| 20 Dec - 30 Dec | Turkish Airlines | ||
| 18 Dec - 28 Dec | Turkish Airlines |
Also check the deals for one-way flights from Valencia to Washington in December.
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