Alaska Airlines Flight AS409 Deals & Information (2025/2026)

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Alaska Airlines Flight 409 Route Deals From $85

The cheapest prices found with in the last 7 days for return flights were $169 and $85 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Aug 16 - Sat, Aug 23
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$169 Roundtrip, just found
$169
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 16 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, Aug 23, priced at $169 just found
Sat, Jun 7 - Wed, Jun 11
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$172 Roundtrip, just found
$172
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Jun 7 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, Jun 11, priced at $172 just found
Sat, Jun 21 - Fri, Jul 4
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$174 Roundtrip, found 3 hours ago
$174
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Jun 21 from O'Hare Intl. to Seattle - Tacoma Intl., returning Fri, Jul 4, priced at $174 found 3 hours ago
Fri, May 30 - Sat, Jun 7
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$176 Roundtrip, found 6 hours ago
$176
Roundtrip
found 6 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, Jun 7, priced at $176 found 6 hours ago
Fri, May 30 - Sat, May 31
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$179 Roundtrip, just found
$179
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 30 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, May 31, priced at $179 just found
Fri, May 30 - Sat, May 31
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$181 Roundtrip, just found
$181
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 30 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, May 31, priced at $181 just found
Sat, May 31 - Wed, Jun 11
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$185 Roundtrip, found 3 days ago
$185
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, May 31 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, Jun 11, priced at $185 found 3 days ago
Sat, May 24 - Wed, May 28
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$187 Roundtrip, found 12 hours ago
$187
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Sat, May 24 from O'Hare Intl. to Seattle - Tacoma Intl., returning Wed, May 28, priced at $187 found 12 hours ago
Fri, May 30 - Tue, Jun 3
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$189 Roundtrip, just found
$189
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 30 from O'Hare Intl. to Seattle - Tacoma Intl., returning Tue, Jun 3, priced at $189 just found
Fri, May 30 - Sat, May 31
ORD
O'Hare Intl.
SEA
Seattle - Tacoma Intl.
$191 Roundtrip, just found
$191
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, May 30 from O'Hare Intl. to Seattle - Tacoma Intl., returning Sat, May 31, priced at $191 just found

Frequently asked questions

What route does flight number AS409 take?
Flight number AS409 operates non-stop from Portland Intl. Airport (PDX) to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). During this journey, you’ll be in the air for roughly 1 hour. Book ahead to get your preferred seat.
How often is AS409 on time?
Roughly 87% of AS409 flights arrive according to scheduled times — so if you’re taking to the skies between PDX and Sea-Tac Airport, you can breathe easy knowing that you’ll reach your destination ASAP. In the rare event that this Alaska Airlines plane runs late, the average wait time is around 19 minutes. Due to the airline’s high standard, this route has a star rating of 3.85.
What kind of plane is on flight number AS409?
The Airbus A320 is the type of plane that’s generally used for flight number AS409. This flight almost always sets off from Portland Airport and arrives at SEA.
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 AS409 flight with Travelocity, please visit our Customer Service Portal.