AirHint found the following cheapest one-way flights from Denver (DEN) to Colombo (CMB) in December 2025 (see full year).
One-Way flights
| 30 Dec | China Eastern | ||
| 31 Dec | China Eastern | ||
| 28 Dec | China Eastern | ||
| 29 Dec | Frontier Airlines | ||
| 08 Dec | Qatar Airways | ||
| 03 Dec | Qatar Airways | ||
| 16 Dec | Frontier Airlines |
Also check the deals for return flights from Denver to Colombo in December.
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