Washington, D.C. (IAD) to Adelaide (ADL) flights from $1,429* with Air New Zealand

Search and book flights between Washington, D.C. 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 Washington, D.C. (IAD) to Adelaide (ADL)

Mar 2026
From$3,338*
Refreshed: 20 hrs ago
Per person, return/Economy
Apr 2026
From$1,430*
Refreshed: 1 day ago
Per person, return/Economy
May 2026
From$1,480*
Refreshed: 1 day ago
Per person, return/Economy
$1.5K
$18.5K
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    • Range$1,480-$18,518

    *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 Washington, D.C. (IAD) to Adelaide (ADL) flights departing in the next 90 days

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    Apr 27, 2026 - May 06, 2026
    From
    $1,430
    Refreshed: 1 day ago
    Per person, return
    Economy

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    Apr 29, 2026 - May 06, 2026
    From
    $1,430
    Refreshed: 1 day ago
    Per person, return
    Economy

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    Apr 20, 2026 - Apr 27, 2026
    From
    $1,435
    Refreshed: 23 hrs ago
    Per person, return
    Economy

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    May 09, 2026 - May 20, 2026
    From
    $1,480
    Refreshed: 1 day ago
    Per person, return
    Economy

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    Apr 13, 2026 - Apr 27, 2026
    From
    $1,480
    Refreshed: 23 hrs ago
    Per person, return
    Economy

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    May 01, 2026 - May 08, 2026
    From
    $1,530
    Refreshed: 23 hrs ago
    Per person, return
    Economy

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    May 06, 2026 - May 15, 2026
    From
    $1,755
    Refreshed: 8 hrs ago
    Per person, return
    Economy

    Washington, D.C. (IAD)to

    Adelaide (ADL)
    May 13, 2026 - May 29, 2026
    From
    $1,755
    Refreshed: 8 hrs 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