Alaska Airlines Flight WN644 Deals & Information (2025/2026)

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Alaska Airlines Flight 644 Route Deals From

The cheapest prices found with in the last 7 days for return flights were $97 and for one-way flights to Sky Harbor Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 12 - Tue, Aug 19
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$97 Roundtrip, found 4 days ago
$97
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Aug 12 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Tue, Aug 19, priced at $97 found 4 days ago
Wed, Dec 3 - Wed, Dec 10
SEA
Seattle - Tacoma Intl.
PHX
Sky Harbor Intl.
$99 Roundtrip, found 5 days ago
$99
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Dec 3 from Seattle - Tacoma Intl. to Sky Harbor Intl., returning Wed, Dec 10, priced at $99 found 5 days ago
Thu, Aug 7 - Wed, Aug 13
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$104 Roundtrip, found 4 days ago
$104
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Aug 7 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Wed, Aug 13, priced at $104 found 4 days ago
Wed, Aug 13 - Sat, Aug 16
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$115 Roundtrip, found 4 days ago
$115
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Aug 13 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Sat, Aug 16, priced at $115 found 4 days ago
Thu, Aug 7 - Wed, Aug 13
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$117 Roundtrip, found 4 days ago
$117
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Thu, Aug 7 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Wed, Aug 13, priced at $117 found 4 days ago
Fri, Sep 5 - Mon, Sep 15
SEA
Seattle - Tacoma Intl.
PHX
Sky Harbor Intl.
$120 Roundtrip, found 4 days ago
$120
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Seattle - Tacoma Intl. to Sky Harbor Intl., returning Mon, Sep 15, priced at $120 found 4 days ago
Sat, Sep 13 - Tue, Sep 16
SEA
Seattle - Tacoma Intl.
PHX
Sky Harbor Intl.
$125 Roundtrip, found 5 days ago
$125
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Seattle - Tacoma Intl. to Sky Harbor Intl., returning Tue, Sep 16, priced at $125 found 5 days ago
Mon, Aug 11 - Tue, Aug 19
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$132 Roundtrip, found 5 days ago
$132
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, Aug 11 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Tue, Aug 19, priced at $132 found 5 days ago
Wed, Oct 29 - Tue, Nov 4
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$133 Roundtrip, found 4 hours ago
$133
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Oct 29 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Tue, Nov 4, priced at $133 found 4 hours ago
Wed, Aug 13 - Sun, Aug 17
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$135 Roundtrip, just found
$135
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Aug 13 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Sun, Aug 17, priced at $135 just found
Sun, Aug 17 - Fri, Aug 22
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$141 Roundtrip, found 2 hours ago
$141
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Sun, Aug 17 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Fri, Aug 22, priced at $141 found 2 hours ago
Tue, Nov 4 - Fri, Nov 7
PAE
Seattle Paine Field Intl. Airport
PHX
Sky Harbor Intl.
$143 Roundtrip, found 2 days ago
$143
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Nov 4 from Seattle Paine Field Intl. Airport to Sky Harbor Intl., returning Fri, Nov 7, priced at $143 found 2 days ago