Cheapest return flights from Seattle to Auckland in December from $858

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

Return flights

10 Dec - 23 Dec American Airlines
10 Dec - 24 Dec American Airlines
29 Dec - 10 Jan Qantas
07 Dec - 27 Dec United
12 Dec - 21 Dec Air Canada
15 Dec - 22 Dec Hawaiian Airlines
29 Dec - 05 Jan Frontier Airlines
28 Dec - 13 Jan United
11 Dec - 03 Jan Alaska Airlines
19 Dec - 17 Jan Hawaiian Airlines
27 Dec - 03 Jan Air Canada
19 Dec - 02 Jan Hawaiian Airlines
21 Dec - 07 Jan United
20 Dec - 02 Jan Air Canada

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

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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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