Flights from United States to Australia from $ 866*

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Best prices for United flights from United States to Australia

$
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  • Houston (IAH)to

    Sydney (SYD)
    01/12/26 - 01/19/26
    from
    $ 1,229
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Chicago (ORD)to

    Sydney (SYD)
    01/12/26 - 01/26/26
    from
    $ 1,163
    Viewed: 15 minutes ago
    Roundtrip
    Economy

    Newark/New York (EWR)to

    Sydney (SYD)
    01/13/26 - 01/27/26
    from
    $ 1,638
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Newark/New York (EWR)to

    Melbourne (MEL)
    01/01/26 - 01/15/26
    from
    $ 1,011
    Viewed: 1 hour ago
    Roundtrip
    Economy

  • Denver (DEN)to

    Sydney (SYD)
    01/12/26 - 01/19/26
    from
    $ 1,163
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Boston (BOS)to

    Sydney (SYD)
    01/05/26 - 01/12/26
    from
    $ 1,583
    Viewed: 2 hours ago
    Roundtrip
    Economy

    Washington, D.C. (IAD)to

    Sydney (SYD)
    01/12/26 - 01/26/26
    from
    $ 1,245
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Denver (DEN)to

    Melbourne (MEL)
    01/13/26 - 01/27/26
    from
    $ 1,506
    Viewed: 2 hours ago
    Roundtrip
    Economy

  • Chicago (ORD)to

    Melbourne (MEL)
    01/13/26 - 01/20/26
    from
    $ 1,294
    Viewed: 20 minutes ago
    Roundtrip
    Economy

    Houston (IAH)to

    Melbourne (MEL)
    01/14/26 - 01/21/26
    from
    $ 1,556
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Fort Lauderdale (FLL)to

    Sydney (SYD)
    12/31/25 - 01/14/26
    from
    $ 1,419
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Orlando (MCO)to

    Sydney (SYD)
    01/12/26 - 01/26/26
    from
    $ 1,638
    Viewed: 52 minutes ago
    Roundtrip
    Economy

  • Cleveland (CLE)to

    Sydney (SYD)
    01/13/26 - 01/20/26
    from
    $ 1,563
    Viewed: 2 hours ago
    Roundtrip
    Economy

    Nashville (BNA)to

    Sydney (SYD)
    01/13/26 - 01/27/26
    from
    $ 1,563
    Viewed: 2 hours ago
    Roundtrip
    Economy

    Los Angeles (LAX)to

    Adelaide (ADL)
    12/17/25 - 01/02/26
    from
    $ 2,894
    Viewed: 1 hour ago
    Roundtrip
    Economy

    Baltimore (BWI)to

    Sydney (SYD)
    01/12/26 - 01/19/26
    from
    $ 1,213
    Viewed: 2 hours ago
    Roundtrip
    Economy

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Best business class fares from United States to Australia

$

San Francisco (SFO)to

Sydney (SYD)
02/03/26 - 02/10/26

Roundtrip

Business

from
$ 7,463
Viewed: 2 hours ago

Los Angeles (LAX)to

Sydney (SYD)
12/21/25 - 12/28/25

Roundtrip

Business

from
$ 6,483
Viewed: 1 hour ago

San Francisco (SFO)to

Melbourne (MEL)
03/05/26 - 03/22/26

Roundtrip

Business

from
$ 7,956
Viewed: 2 hours ago

Los Angeles (LAX)to

Melbourne (MEL)
01/01/26 - 01/09/26

Roundtrip

Business

from
$ 5,604
Viewed: 2 hours ago

Houston (IAH)to

Sydney (SYD)
02/06/26 - 02/15/26

Roundtrip

Business

from
$ 9,167
Viewed: 1 hour ago

San Francisco (SFO)to

Brisbane (BNE)
02/03/26 - 02/10/26

Roundtrip

Business

from
$ 5,811
Viewed: 2 hours ago

Denver (DEN)to

Sydney (SYD)
01/01/26 - 01/19/26

Roundtrip

Business

from
$ 10,177
Viewed: 1 hour ago

Chicago (ORD)to

Melbourne (MEL)
12/22/25 - 12/29/25

Roundtrip

Business

from
$ 12,445
Viewed: 1 hour ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Explore more United flights from United States to Australia