AirHint found the following cheapest one-way flights from London (LHR) to Colombo (CMB) in September 2026 (see full year).
One-Way flights
| 07 Sep | Aegean Airlines | ||
| 20 Sep | KLM | ||
| 15 Sep | SWISS | ||
| 21 Sep | Aegean Airlines | ||
| 01 Sep | Gulf Air | ||
| 08 Sep | Gulf Air | ||
| 10 Sep | Gulf Air | ||
| 06 Sep | KLM | ||
| 11 Sep | SWISS | ||
| 07 Sep | SriLankan Airlines | direct |
Also check the deals for return flights from London to Colombo in September.
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