AirHint found the following cheapest one-way flights from Washington (DCA) to Kuala Lumpur (KUL) in December 2025 (see full year).
One-Way flights
| 06 Dec | Frontier Airlines | ||
| 11 Dec | jetBlue | ||
| 09 Dec | Qatar Airways | ||
| 31 Dec | Emirates | ||
| 24 Dec | Emirates |
Also check the deals for return flights from Washington to Kuala Lumpur in December.
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