Cheapest return flights from Ontario to Hanoi in March from $611

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

Return flights

31 Mar - 07 Apr Korean Air
18 Mar - 20 Apr Korean Air
16 Mar - 24 Mar China Airlines
15 Mar - 24 Mar China Airlines
10 Mar - 17 Mar China Airlines
06 Mar - 13 Mar China Airlines
12 Mar - 22 Mar China Airlines
13 Mar - 27 Mar China Airlines
21 Mar - 29 Mar China Airlines
03 Mar - 29 Mar China Airlines
12 Mar - 18 Mar China Airlines
03 Mar - 16 Mar China Airlines
16 Mar - 06 Apr China Airlines
28 Mar - 24 Apr STARLUX Airlines
17 Mar - 06 Apr China Airlines
17 Mar - 02 Apr China Airlines
27 Mar - 24 Apr STARLUX Airlines
19 Mar - 02 Apr China Airlines
26 Mar - 05 Apr China Airlines
27 Mar - 18 Apr China Airlines

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

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