AirHint found the following cheapest one-way flights from London (LHR) to Calgary (YYC) in September 2026 (see full year).
One-Way flights
| 01 Sep | Aer Lingus | ||
| 07 Sep | TAP | ||
| 18 Sep | Aer Lingus | ||
| 29 Sep | British Airways | ||
| 02 Sep | Aer Lingus | ||
| 15 Sep | Aer Lingus | ||
| 09 Sep | Aer Lingus | ||
| 23 Sep | Air France | ||
| 28 Sep | TAP | ||
| 05 Sep | KLM |
Also check the deals for return flights from London to Calgary in September.
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