Cheap flights from Phoenix to Eastside

View AU$128 flight on Thu, 14 Aug. 2025Opens in a new window

Popular airlines from Phoenix to Eastside

  • 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 Phoenix (PHX) to Eastside (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.

Alaska Airlines
Mon, 18 Aug. - Mon, 25 Aug.
PHX
Phoenix
SEA
Seattle
AU$255 Return, found 3 days ago
AU$255
Return
found 3 days ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Phoenix to Seattle, returning Mon, 25 Aug., priced at AU$255 found 3 days ago
Delta
Mon, 18 Aug. - Mon, 25 Aug.
PHX
Phoenix
SEA
Seattle
AU$255 Return, found 3 days ago
AU$255
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Aug. from Phoenix to Seattle, returning Mon, 25 Aug., priced at AU$255 found 3 days ago
Delta
Mon, 18 Aug. - Mon, 25 Aug.
PHX
Phoenix
SEA
Seattle
AU$256 Return, found 3 days ago
AU$256
Return
found 3 days ago
Select Delta flight, departing Mon, 18 Aug. from Phoenix to Seattle, returning Mon, 25 Aug., priced at AU$256 found 3 days ago
Delta
Thu, 25 Sep. - Sun, 28 Sep.
PHX
Phoenix
SEA
Seattle
AU$257 Return, found 6 days ago
AU$257
Return
found 6 days ago
Select Delta flight, departing Thu, 25 Sep. from Phoenix to Seattle, returning Sun, 28 Sep., priced at AU$257 found 6 days ago
Alaska Airlines
Mon, 18 Aug. - Mon, 25 Aug.
PHX
Phoenix
SEA
Seattle
AU$278 Return, found 3 days ago
AU$278
Return
found 3 days ago
Select Alaska Airlines flight, departing Mon, 18 Aug. from Phoenix to Seattle, returning Mon, 25 Aug., priced at AU$278 found 3 days ago
American Airlines
Thu, 25 Sep. - Sun, 28 Sep.
PHX
Phoenix
SEA
Seattle
AU$326 Return, found 6 days ago
AU$326
Return
found 6 days ago
Select American Airlines flight, departing Thu, 25 Sep. from Phoenix to Seattle, returning Sun, 28 Sep., priced at AU$326 found 6 days ago

Find the cheapest month to fly from Phoenix (PHX) to Seattle (SEA)

January is typically the cheapest month to fly

From AU$73 - AU$337 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.