Flights from Seattle to Osaka (SEA-OSA) from USD1,236*

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Best Flight Deals from Seattle (SEA) to Osaka (OSA)

Jul 2026
FromUSD1,236*
Viewed: 23 hours ago
Flight Type: Round Trip/Economy
Aug 2026
FromUSD1,236*
Viewed: 23 hours ago
Flight Type: Round Trip/Economy
Sep 2026
FromUSD1,442*
Viewed: 23 hours ago
Flight Type: Round Trip/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label USD1.2K
cmp-daily-histogram-bars-legend-max-price-aria-label USD2.3K
Displaying fares for July-2026
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    • RangeUSD1,236-USD2,262

    • 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.

    Best Flight Deals on Japan Airlines

    Seattle (SEA)to

    Osaka (OSA)
    Aug 04, 2026 - Aug 28, 2026
    Starting from
    USD1,236
    Viewed: 23 hours ago
    Round-trip
    Economy

    Seattle (SEA)to

    Osaka (OSA)
    Aug 25, 2026 - Aug 28, 2026
    Starting from
    USD1,236
    Viewed: 23 hours ago
    Round-trip
    Economy

    Seattle (SEA)to

    Osaka (ITM)
    Aug 04, 2026 - Aug 26, 2026
    Starting from
    USD1,236
    Viewed: 23 hours ago
    Round-trip
    Economy

    Seattle (SEA)to

    Osaka (ITM)
    Aug 03, 2026 - Aug 26, 2026
    Starting from
    USD1,236
    Viewed: 23 hours ago
    Round-trip
    Economy
    • *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.

    Business Class Deals from Seattle to Japan

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    *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.

    Book Early and Save on Flights from Seattle to Osaka

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    Book Early and Save on Flights from Seattle to Osaka
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)Osaka (OSA)Round-trip
    /
    Economy    		Aug 25, 2026 - Aug 28, 2026

    Starting from

    USD1,236

    Viewed: 23 hours ago

    Seattle (SEA)Osaka (OSA)Round-trip
    /
    Economy    		Aug 24, 2026 - Aug 26, 2026

    Starting from

    USD1,236

    Viewed: 23 hours ago

    Seattle (SEA)Osaka (ITM)Round-trip
    /
    Economy    		Aug 18, 2026 - Sep 04, 2026

    Starting from

    USD1,339

    Viewed: 21 hours ago

    Seattle (SEA)Osaka (ITM)Round-trip
    /
    Economy    		Oct 12, 2026 - Nov 02, 2026

    Starting from

    USD1,652

    Viewed: 19 hours ago

    Seattle (SEA)Osaka (ITM)Round-trip
    /
    Economy    		Feb 28, 2027 - Mar 13, 2027

    Starting from

    USD1,666

    Viewed: 22 hours ago

    Seattle (SEA)Osaka (ITM)Round-trip
    /
    Economy    		Mar 06, 2027 - Mar 13, 2027

    Starting from

    USD1,716

    Viewed: 22 hours ago

    Seattle (SEA)Osaka (OSA)Round-trip
    /
    Economy    		Aug 11, 2026 - Aug 28, 2026

    Starting from

    USD1,236

    Viewed: 7 hours ago

    Seattle (SEA)Osaka (OSA)Round-trip
    /
    Economy    		Aug 10, 2026 - Aug 26, 2026

    Starting from

    USD1,236

    Viewed: 7 hours ago

    Seattle (SEA)Osaka (KIX)Round-trip
    /
    Economy    		Aug 31, 2026 - Sep 07, 2026

    Starting from

    USD1,341

    Viewed: 6 hours ago

    Seattle (SEA)Osaka (KIX)Round-trip
    /
    Economy    		Aug 31, 2026 - Sep 06, 2026

    Starting from

    USD1,391

    Viewed: 6 hours ago

    Seattle (SEA)Osaka (KIX)Round-trip
    /
    Economy    		Aug 30, 2026 - Sep 06, 2026

    Starting from

    USD1,652

    Viewed: 7 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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