Cheapest return flights from Seattle to Auckland in December from 725€

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

Return flights

05 Dec - 20 Dec United
03 Dec - 12 Dec Delta
14 Dec - 27 Dec United
24 Dec - 31 Dec Air Canada
23 Dec - 29 Dec Delta
24 Dec - 01 Jan Alaska Airlines
17 Dec - 02 Jan Air Canada
19 Dec - 02 Jan Air Canada
18 Dec - 31 Dec Qantas

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

Skyscanner

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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