Alaska Airlines Flight 729 Deals & Information (2025/2026)

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Alaska Airlines Flight 729 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $145 and $79 for one-way flights to Portland Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 26 - Thu, Sep 4
SAN
San Diego Intl.
PDX
Portland Intl.
$145 Roundtrip, found 6 hours ago
$145
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Tue, Aug 26 from San Diego Intl. to Portland Intl., returning Thu, Sep 4, priced at $145 found 6 hours ago
Wed, Sep 10 - Fri, Sep 12
SAN
San Diego Intl.
PDX
Portland Intl.
$147 Roundtrip, found 19 hours ago
$147
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Wed, Sep 10 from San Diego Intl. to Portland Intl., returning Fri, Sep 12, priced at $147 found 19 hours ago
Sat, Sep 6 - Sun, Sep 7
SAN
San Diego Intl.
PDX
Portland Intl.
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 6 from San Diego Intl. to Portland Intl., returning Sun, Sep 7, priced at $149 just found
Wed, Sep 10 - Fri, Sep 12
SAN
San Diego Intl.
PDX
Portland Intl.
$157 Roundtrip, found 19 hours ago
$157
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Wed, Sep 10 from San Diego Intl. to Portland Intl., returning Fri, Sep 12, priced at $157 found 19 hours ago
Wed, Aug 20 - Wed, Aug 27
SAN
San Diego Intl.
PDX
Portland Intl.
$158 Roundtrip, found 12 hours ago
$158
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Wed, Aug 20 from San Diego Intl. to Portland Intl., returning Wed, Aug 27, priced at $158 found 12 hours ago
Tue, Sep 2 - Fri, Sep 5
SAN
San Diego Intl.
PDX
Portland Intl.
$159 Roundtrip, found 17 hours ago
$159
Roundtrip
found 17 hours ago
Select Alaska Airlines flight, departing Tue, Sep 2 from San Diego Intl. to Portland Intl., returning Fri, Sep 5, priced at $159 found 17 hours ago
Sat, Sep 6 - Sun, Sep 7
SAN
San Diego Intl.
PDX
Portland Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Sep 6 from San Diego Intl. to Portland Intl., returning Sun, Sep 7, priced at $167 just found

Frequently asked questions

What route does flight number AS729 take?
You'll be landing at SEA from St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) if you're traveling on flight number AS729. You'll be in the air for 4 hours and 20 minutes during this trip. It's also worthwhile noting that it conveniently operates non-stop.
What terminal does AS729 fly out of?
Flight number AS729 runs between STL and Seattle, WA Airport (SEA-Seattle - Tacoma Intl.), and those taking this flight typically take off from Terminal 1.
What kind of plane is on flight number AS729?
The Boeing 737-900 is the type of plane most commonly used for flight AS729. Usually, this flight departs from Lambert Field and touches down at Seattle, WA Airport (SEA-Seattle - Tacoma Intl.).
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AS729 flight with Travelocity, please visit our Customer Service Portal.