AirHint found the following cheapest one-way flights from Washington (DCA) to Kuala Lumpur (KUL) in December 2025 (see full year).
One-Way flights
| 10 Dec | Alaska Airlines | ||
| 13 Dec | United | ||
| 11 Dec | Delta | ||
| 14 Dec | Air Canada |
Also check the deals for return flights from Washington to Kuala Lumpur in December.
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