AirHint found the following cheapest return flights from Ontario (ONT) to Helsinki (HEL) in January 2026 (see full year).
Return flights
| 12 Jan - 07 Feb | Frontier Airlines | ||
| 13 Jan - 07 Feb | British Airways | ||
| 16 Jan - 07 Feb | British Airways | ||
| 11 Jan - 18 Jan | British Airways | ||
| 22 Jan - 25 Jan | British Airways | ||
| 01 Jan - 04 Jan | British Airways |
Also check the deals for one-way flights from Ontario to Helsinki in January.
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