AirHint found the following cheapest return flights from Ontario (ONT) to Auckland (AKL) in December 2025 (see full year).

Return flights

01 Dec - 11 Dec	Alaska Airlines
23 Dec - 07 Jan	Alaska Airlines
09 Dec - 16 Dec	China Airlines
11 Dec - 30 Jan	China Airlines
25 Dec - 10 Jan	China Airlines
29 Dec - 13 Jan	China Airlines
23 Dec - 06 Jan	China Airlines
02 Dec - 09 Dec	China Airlines
23 Dec - 11 Jan	China Airlines
10 Dec - 09 Jan	China Airlines
25 Dec - 01 Jan	China Airlines
25 Dec - 04 Jan	China Airlines
27 Dec - 11 Jan	China Airlines
03 Dec - 19 Dec	China Airlines
03 Dec - 11 Dec	China Airlines
16 Dec - 23 Dec	China Airlines

Also check the deals for one-way flights from Ontario to Auckland in December.

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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Cheapest return flights from Ontario to Auckland in December from $1210

Return flights