AirHint found the following cheapest one-way flights from Colombo (CMB) to London (LHR) in December 2025 (see full year).
One-Way flights
| 15 Dec | IndiGo | ||
| 09 Dec | IndiGo | ||
| 11 Dec | IndiGo | ||
| 04 Dec | IndiGo | ||
| 18 Dec | IndiGo | ||
| 12 Dec | IndiGo | ||
| 13 Dec | IndiGo | ||
| 10 Dec | IndiGo | ||
| 20 Dec | IndiGo | ||
| 24 Dec | Air India |
Also check the deals for return flights from Colombo to London in December.
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