AirHint found the following cheapest one-way flights from London (LCY) to Calgary (YYC) in December 2025 (see full year).
One-Way flights
| 01 Dec | Lufthansa | ||
| 10 Dec | KLM | ||
| 29 Dec | KLM | ||
| 28 Dec | KLM | ||
| 15 Dec | KLM | ||
| 16 Dec | Delta | ||
| 11 Dec | Delta | ||
| 24 Dec | KLM | ||
| 12 Dec | Delta | ||
| 03 Dec | Virgin Atlantic |
Also check the deals for return flights from London to Calgary in December.
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