Flights from Seattle to Osaka (SEA-OSA) from USD905*

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Best Flight Rates from Seattle to Osaka 

You can find the best flights fares to Osaka from Seattle found within the last 24hrs on JAL. Select journey type from One-way or Round-trip to your destination.

Deals on Seattle (SEA) to Osaka (OSA) Flights

Mar 2026
FromUSD1,888*
Viewed: 8 hours ago
Flight Type: Round Trip/Economy
Apr 2026
FromUSD905*
Viewed: 7 hours ago
Flight Type: Round Trip/Economy
May 2026
FromUSD989*
Viewed: 13 hours ago
Flight Type: Round Trip/Economy
USD1.0K
USD19.9K
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    • RangeUSD1,005-USD19,850

    • Best fares found by others within the last 24hrs. They may no longer be available at time of booking. Modifying route or date selections may result in a different fare.
    • All prices quoted are based on one adult round-trip fare and include taxes and carrier-imposed surcharges. All fares, government taxes and surcharges are subject to change at any time prior to purchase.
    • Fares are rounded up to 1 of the currency unit.
    • Some flights may be operated by other airlines.
    • Optional service fees may apply.
    • Terms and conditions apply.

    Book Flights from Seattle to Osaka on Japan Airlines

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    Book Flights from Seattle to Osaka on Japan Airlines
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Osaka (OSA)Round-trip
    /
    Economy    		Oct 13, 2026 - Oct 27, 2026

    Starting from

    USD974

    Viewed: 13 hours ago

    Seattle (SEA)Osaka (OSA)Round-trip
    /
    Economy    		Oct 18, 2026 - Nov 10, 2026

    Starting from

    USD974

    Viewed: 15 hours ago

    Seattle (SEA)Osaka (OSA)Round-trip
    /
    Economy    		Oct 05, 2026 - Oct 28, 2026

    Starting from

    USD2,419

    Viewed: 16 hours ago

    Seattle (SEA)Osaka (KIX)Round-trip
    /
    Economy    		Sep 30, 2026 - Oct 12, 2026

    Starting from

    USD946

    Viewed: 18 hours ago

    Seattle (SEA)Osaka (KIX)Round-trip
    /
    Economy    		Sep 30, 2026 - Oct 11, 2026

    Starting from

    USD996

    Viewed: 18 hours ago

    • *Best fares found by others within the last 24hrs. They may no longer be available at time of booking. Modifying route or date selections may result in a different fare.
    • *All prices quoted are based on one adult Economy round-trip fare and include taxes and carrier-imposed surcharges. All fares, government taxes and surcharges are subject to change at any time prior to purchase.
    • *Fares are rounded up to 1 of the currency unit.
    • *Some flights may be operated by other airlines.
    • *Optional service fees may apply.
    • *Terms and conditions apply.

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