Flights to Northwest Washington from Perth - ￥103,320

View ￥103,320 flight on Thu, Sep 4, 2025Opens in a new window

Popular airlines from Perth to Northwest Washington

  • Peach

    Peach

  • Skymark Airlines

    Skymark Airlines

  • All Nippon Airways

    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

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Cheap Flights from Perth to Northwest Washington (PER-SEA)

Prices were available within the past 7 days and start at ￥103,320 for one-way flights and ￥145,780 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Thu, Sep 4 - Wed, Sep 17
PER
Perth
SEA
Seattle
￥145,780 Roundtrip, found 3 days ago
￥145,780
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Thu, Sep 4 from Perth to Seattle, returning Wed, Sep 17, priced at ￥145,780 found 3 days ago
Japan Airlines
Thu, Sep 4 - Wed, Sep 17
PER
Perth
SEA
Seattle
￥149,790 Roundtrip, found 3 days ago
￥149,790
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Thu, Sep 4 from Perth to Seattle, returning Wed, Sep 17, priced at ￥149,790 found 3 days ago
Japan Airlines
Thu, Sep 4 - Wed, Sep 17
PER
Perth
SEA
Seattle
￥157,990 Roundtrip, found 3 days ago
￥157,990
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Thu, Sep 4 from Perth to Seattle, returning Wed, Sep 17, priced at ￥157,990 found 3 days ago
Japan Airlines
Thu, Sep 4 - Wed, Sep 17
PER
Perth
SEA
Seattle
￥161,960 Roundtrip, found 3 days ago
￥161,960
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Thu, Sep 4 from Perth to Seattle, returning Wed, Sep 17, priced at ￥161,960 found 3 days ago
Japan Airlines
Thu, Sep 4 - Wed, Sep 17
PER
Perth
SEA
Seattle
￥165,970 Roundtrip, found 3 days ago
￥165,970
Roundtrip
found 3 days ago
Select Japan Airlines flight, departing Thu, Sep 4 from Perth to Seattle, returning Wed, Sep 17, priced at ￥165,970 found 3 days ago
United
Thu, Sep 4 - Wed, Sep 17
PER
Perth
SEA
Seattle
￥192,840 Roundtrip, found 3 days ago
￥192,840
Roundtrip
found 3 days ago
Select United flight, departing Thu, Sep 4 from Perth to Seattle, returning Wed, Sep 17, priced at ￥192,840 found 3 days ago
*Available to Expedia members.