Flights to Tri-Cities from Portland - ￥21,030

View ￥21,030 flight on Thu, Aug 21, 2025Opens in a new window

Popular airlines from Portland to Tri-Cities

  • Peach

    Peach

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    Skymark Airlines

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    All Nippon Airways

  • Japan Airlines

    Japan Airlines

  • Jetstar Japan

    Jetstar Japan

  • Solaseed Air

    Solaseed Air

  • STARFLYER

    STARFLYER

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Cheap Flights from Portland to Tri-Cities (PDX-PSC)

Prices were available within the past 7 days and start at ￥21,030 for one-way flights and ￥18,620 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Boutique Air
Tue, Aug 5 - Sun, Aug 10
PDX
Portland
PDT
Pendleton
￥18,620 Roundtrip, found 1 day ago
￥18,620
Roundtrip
found 1 day ago
Select Boutique Air flight, departing Tue, Aug 5 from Portland to Pendleton, returning Sun, Aug 10, priced at ￥18,620 found 1 day ago
Boutique Air
Tue, Aug 5 - Sun, Aug 10
PDX
Portland
PDT
Pendleton
￥28,720 Roundtrip, found 1 day ago
￥28,720
Roundtrip
found 1 day ago
Select Boutique Air flight, departing Tue, Aug 5 from Portland to Pendleton, returning Sun, Aug 10, priced at ￥28,720 found 1 day ago
Delta
Wed, Aug 6 - Mon, Aug 11
PDX
Portland
PSC
Pasco
￥45,750 Roundtrip, found 7 hours ago
￥45,750
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Aug 6 from Portland to Pasco, returning Mon, Aug 11, priced at ￥45,750 found 7 hours ago
Delta
Wed, Aug 6 - Mon, Aug 11
PDX
Portland
PSC
Pasco
￥48,650 Roundtrip, found 7 hours ago
￥48,650
Roundtrip
found 7 hours ago
Select Delta flight, departing Wed, Aug 6 from Portland to Pasco, returning Mon, Aug 11, priced at ￥48,650 found 7 hours ago
United
Wed, Aug 6 - Mon, Aug 11
PDX
Portland
PSC
Pasco
￥90,900 Roundtrip, found 7 hours ago
￥90,900
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Aug 6 from Portland to Pasco, returning Mon, Aug 11, priced at ￥90,900 found 7 hours ago
Alaska Airlines
Wed, Aug 6 - Mon, Aug 11
PDX
Portland
PSC
Pasco
￥120,580 Roundtrip, found 7 hours ago
￥120,580
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Wed, Aug 6 from Portland to Pasco, returning Mon, Aug 11, priced at ￥120,580 found 7 hours ago

Find the cheapest month to fly from Portland (PDX) to Pasco (PSC)

February is typically the cheapest month to fly

From ￥24,671 - ￥62,122 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.