AirHint found the following cheapest return flights from Ontario (ONT) to Edinburgh (EDI) in December 2025 (see full year).
Return flights
| 05 Dec - 12 Dec | British Airways | ||
| 08 Dec - 17 Dec | British Airways | ||
| 22 Dec - 25 Dec | Alaska Airlines | ||
| 19 Dec - 24 Dec | United | ||
| 19 Dec - 04 Jan | KLM |
Also check the deals for one-way flights from Ontario to Edinburgh in December.
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