Cheap flights from Osaka to Northwest Washington

View AU$844 flight on Tue, 23 Sep. 2025Opens in a new window

Popular airlines from Osaka to Northwest Washington

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Osaka (OSA) to Northwest Washington (SEA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Asiana Airlines
Thu, 21 Aug. - Sun, 24 Aug.
KIX
Osaka
SEA
Seattle
AU$1,350 Return, found 1 day ago
AU$1,350
Return
found 1 day ago
Select Asiana Airlines flight, departing Thu, 21 Aug. from Osaka to Seattle, returning Sun, 24 Aug., priced at AU$1,350 found 1 day ago
Philippine Airlines
Wed, 4 Mar. - Wed, 11 Mar.
KIX
Osaka
SEA
Seattle
AU$1,389 Return, found 14 hours ago
AU$1,389
Return
found 14 hours ago
Select Philippine Airlines flight, departing Wed, 4 Mar. from Osaka to Seattle, returning Wed, 11 Mar., priced at AU$1,389 found 14 hours ago
EVA Airways
Wed, 4 Mar. - Wed, 11 Mar.
KIX
Osaka
SEA
Seattle
AU$1,414 Return, found 14 hours ago
AU$1,414
Return
found 14 hours ago
Select EVA Airways flight, departing Wed, 4 Mar. from Osaka to Seattle, returning Wed, 11 Mar., priced at AU$1,414 found 14 hours ago
Air Canada
Thu, 21 Aug. - Sun, 24 Aug.
KIX
Osaka
SEA
Seattle
AU$1,538 Return, found 1 day ago
AU$1,538
Return
found 1 day ago
Select Air Canada flight, departing Thu, 21 Aug. from Osaka to Seattle, returning Sun, 24 Aug., priced at AU$1,538 found 1 day ago
Korean Air
Wed, 4 Mar. - Wed, 11 Mar.
UKB
Kobe
SEA
Seattle
AU$1,686 Return, found 14 hours ago
AU$1,686
Return
found 14 hours ago
Select Korean Air flight, departing Wed, 4 Mar. from Kobe to Seattle, returning Wed, 11 Mar., priced at AU$1,686 found 14 hours ago
American Airlines
Wed, 4 Mar. - Wed, 11 Mar.
ITM
Osaka
SEA
Seattle
AU$1,779 Return, found 14 hours ago
AU$1,779
Return
found 14 hours ago
Select American Airlines flight, departing Wed, 4 Mar. from Osaka to Seattle, returning Wed, 11 Mar., priced at AU$1,779 found 14 hours ago
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