Alaska Airlines Flight 439 Deals & Information (2025/2026)

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Alaska Airlines Flight 439 Route Deals From $129

The cheapest prices found with in the last 7 days for return flights were $243 and $129 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 20 - Mon, Sep 22
IAH
George Bush Intercontinental
SEA
Seattle - Tacoma Intl.
$243 Roundtrip, found 6 days ago
$243
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 20 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Mon, Sep 22, priced at $243 found 6 days ago
Sun, Sep 7 - Sun, Sep 14
IAH
George Bush Intercontinental
SEA
Seattle - Tacoma Intl.
$257 Roundtrip, just found
$257
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Sep 7 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $257 just found
Thu, Aug 14 - Sun, Aug 17
IAH
George Bush Intercontinental
SEA
Seattle - Tacoma Intl.
$262 Roundtrip, just found
$262
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Aug 14 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Aug 17, priced at $262 just found
Sun, Sep 7 - Sun, Sep 14
IAH
George Bush Intercontinental
SEA
Seattle - Tacoma Intl.
$267 Roundtrip, just found
$267
Roundtrip
just found
Select Alaska Airlines flight, departing Sun, Sep 7 from George Bush Intercontinental to Seattle - Tacoma Intl., returning Sun, Sep 14, priced at $267 just found