Seattle (SEA) to Adelaide (ADL) flights from $1,183* with Air New Zealand

Search and book flights between Seattle and Adelaide by comparing our fares shown on this page. Plan your adventure today!

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Find the best fares for flights from Seattle (SEA) to Adelaide (ADL)

Sep 2026
From$1,664*
Refreshed: 16 hrs ago
Per person, return/Economy
Oct 2026
From$1,233*
Refreshed: 1 day ago
Per person, return/Economy
Nov 2026
From$1,183*
Refreshed: 5 hrs ago
Per person, return/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.7K
cmp-daily-histogram-bars-legend-max-price-aria-label $2.6K
Displaying fares for September-2026
  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    16

    Wed

    SEP

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    17

    Thu

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    18

    Fri

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    19

    Sat

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    20

    Sun

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    21

    Mon

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    22

    Tue

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    23

    Wed

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    24

    Thu

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    25

    Fri

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    26

    Sat

  • SEA–ADL, Sep 27, 2026 – Oct 06, 2026: From $1,664
    27

    Sun

  • SEA–ADL, Sep 28, 2026 – Oct 06, 2026: From $1,889
    28

    Mon

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    29

    Tue

  • SEA–ADL, Sep 30, 2026 – Oct 06, 2026: From $2,239
    30

    Wed

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    01

    Thu

    OCT

  • SEA–ADL, Oct 02, 2026 – Oct 06, 2026: From $2,085
    02

    Fri

  • SEA–ADL, Oct 03, 2026 – Oct 06, 2026: From $2,085
    03

    Sat

  • SEA–ADL, Oct 04, 2026 – Oct 13, 2026: From $2,185
    04

    Sun

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    05

    Mon

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    06

    Tue

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    07

    Wed

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    08

    Thu

  • SEA–ADL, Oct 09, 2026 – Oct 13, 2026: From $2,235
    09

    Fri

  • SEA–ADL, Oct 10, 2026 – Oct 13, 2026: From $2,035
    10

    Sat

  • SEA–ADL, Oct 11, 2026 – Oct 21, 2026: From $2,616
    11

    Sun

  • SEA–ADL, Oct 12, 2026 – Oct 19, 2026: From $2,520
    12

    Mon

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    13

    Tue

  • SEA–ADL, Oct 14, 2026 – Oct 21, 2026: From $2,616
    14

    Wed

  • SEA–ADL: cmp-view-offers-disclaimer. Check availability
    15

    Thu

    • Range$1,664-$2,616

    *Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.

    Compare & book Air NZ Seattle (SEA) to Adelaide (ADL) flights departing in the next 90 days

    $

    Seattle (SEA)to

    Adelaide (ADL)
    Nov 09, 2026 - Nov 11, 2026
    From
    $1,183
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    Adelaide (ADL)
    Nov 06, 2026 - Nov 08, 2026
    From
    $1,233
    Refreshed: 5 hrs ago
    Per person, return
    Economy

    Seattle (SEA)to

    Adelaide (ADL)
    Nov 06, 2026 - Nov 11, 2026
    From
    $1,233
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Adelaide (ADL)
    Nov 09, 2026 - Nov 12, 2026
    From
    $1,233
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Adelaide (ADL)
    Oct 30, 2026 - Nov 11, 2026
    From
    $1,233
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Adelaide (ADL)
    Nov 02, 2026 - Nov 13, 2026
    From
    $1,233
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Adelaide (ADL)
    Nov 14, 2026 - Nov 27, 2026
    From
    $1,283
    Refreshed: 1 day ago
    Per person, return
    Economy

    Seattle (SEA)to

    Adelaide (ADL)
    Oct 31, 2026 - Nov 05, 2026
    From
    $1,283
    Refreshed: 1 day ago
    Per person, return
    Economy
    *Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.

    Explore flights to Adelaide

    *Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges. For flights to or from Sydney, prices may be based on travel to or from SYD or WSI airports.