Alaska Airlines Flight 729 Deals & Information (2026/2027)

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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 $158 and $79 for one-way flights to Portland Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, May 6 - Sat, May 9
SAN
San Diego Intl.
PDX
Portland Intl.
$158 Roundtrip, found 2 hours ago
$158
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, May 6 from San Diego Intl. to Portland Intl., returning Sat, May 9, priced at $158 found 2 hours ago
Wed, Apr 29 - Sat, May 2
SAN
San Diego Intl.
PDX
Portland Intl.
$161 Roundtrip, found 1 hour ago
$161
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Apr 29 from San Diego Intl. to Portland Intl., returning Sat, May 2, priced at $161 found 1 hour ago
Wed, Mar 11 - Tue, Mar 17
SAN
San Diego Intl.
PDX
Portland Intl.
$162 Roundtrip, found 2 hours ago
$162
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Mar 11 from San Diego Intl. to Portland Intl., returning Tue, Mar 17, priced at $162 found 2 hours ago
Sat, Apr 18 - Sat, Apr 25
SAN
San Diego Intl.
PDX
Portland Intl.
$164 Roundtrip, found 11 hours ago
$164
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Sat, Apr 18 from San Diego Intl. to Portland Intl., returning Sat, Apr 25, priced at $164 found 11 hours ago
Tue, Feb 24 - Tue, Mar 3
SAN
San Diego Intl.
PDX
Portland Intl.
$167 Roundtrip, just found
$167
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Feb 24 from San Diego Intl. to Portland Intl., returning Tue, Mar 3, priced at $167 just found
Wed, Apr 29 - Sat, May 2
SAN
San Diego Intl.
PDX
Portland Intl.
$169 Roundtrip, found 1 hour ago
$169
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Apr 29 from San Diego Intl. to Portland Intl., returning Sat, May 2, priced at $169 found 1 hour ago
Wed, May 6 - Sat, May 9
SAN
San Diego Intl.
PDX
Portland Intl.
$169 Roundtrip, found 2 hours ago
$169
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, May 6 from San Diego Intl. to Portland Intl., returning Sat, May 9, priced at $169 found 2 hours ago
Sat, Mar 7 - Tue, Mar 10
SAN
San Diego Intl.
PDX
Portland Intl.
$171 Roundtrip, found 3 hours ago
$171
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Mar 7 from San Diego Intl. to Portland Intl., returning Tue, Mar 10, priced at $171 found 3 hours ago
Wed, Apr 29 - Sat, May 2
SAN
San Diego Intl.
PDX
Portland Intl.
$172 Roundtrip, found 1 hour ago
$172
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Wed, Apr 29 from San Diego Intl. to Portland Intl., returning Sat, May 2, priced at $172 found 1 hour ago
Tue, Mar 17 - Tue, Mar 31
SAN
San Diego Intl.
PDX
Portland Intl.
$174 Roundtrip, found 11 hours ago
$174
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Tue, Mar 17 from San Diego Intl. to Portland Intl., returning Tue, Mar 31, priced at $174 found 11 hours ago

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.