AirHint found the following cheapest one-way flights from Calgary (YYC) to London (LHR) in December 2026 (see full year).
One-Way flights
| 03 Dec | WestJet | direct | |
| 09 Dec | WestJet | direct | |
| 28 Dec | Air Canada | direct | |
| 22 Dec | Air Canada | ||
| 19 Dec | KLM | ||
| 22 Dec | Air Canada | direct | |
| 19 Dec | Air Canada | direct |
Also check the deals for return flights from Calgary to London in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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