Cheapest return flights from Ontario to Hanoi in January from 669€

AirHint found the following cheapest return flights from Ontario (ONT) to Hanoi (HAN) in January 2026 (see full year).

Return flights

19 Jan - 26 Jan China Airlines
21 Jan - 07 Feb China Airlines
23 Jan - 26 Jan STARLUX Airlines
15 Jan - 22 Jan China Airlines
14 Jan - 21 Jan China Airlines
20 Jan - 03 Feb China Airlines
30 Jan - 06 Feb China Airlines
26 Jan - 31 Jan China Airlines
15 Jan - 29 Jan China Airlines
18 Jan - 25 Jan China Airlines
29 Jan - 05 Feb China Airlines
06 Jan - 09 Jan China Airlines

Also check the deals for one-way flights from Ontario to Hanoi in January.

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