Alaska Airlines Flight AS178 Deals & Information (2025/2026)

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Alaska Airlines Flight 178 Route Deals From $70

The cheapest prices found with in the last 7 days for return flights were $131 and $70 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 13 - Tue, Sep 23
PDX
Portland Intl.
LAX
Los Angeles Intl.
$131 Roundtrip, found 3 days ago
$131
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Portland Intl. to Los Angeles Intl., returning Tue, Sep 23, priced at $131 found 3 days ago
Wed, Aug 6 - Tue, Aug 12
PDX
Portland Intl.
LAX
Los Angeles Intl.
$138 Roundtrip, found 10 hours ago
$138
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Wed, Aug 6 from Portland Intl. to Los Angeles Intl., returning Tue, Aug 12, priced at $138 found 10 hours ago
Sat, Sep 13 - Sat, Sep 20
PDX
Portland Intl.
LAX
Los Angeles Intl.
$139 Roundtrip, found 7 hours ago
$139
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Portland Intl. to Los Angeles Intl., returning Sat, Sep 20, priced at $139 found 7 hours ago
Mon, Sep 8 - Tue, Sep 16
PDX
Portland Intl.
LAX
Los Angeles Intl.
$140 Roundtrip, found 3 days ago
$140
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Mon, Sep 8 from Portland Intl. to Los Angeles Intl., returning Tue, Sep 16, priced at $140 found 3 days ago
Sat, Aug 9 - Sat, Aug 16
PDX
Portland Intl.
LAX
Los Angeles Intl.
$142 Roundtrip, found 1 hour ago
$142
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Sat, Aug 9 from Portland Intl. to Los Angeles Intl., returning Sat, Aug 16, priced at $142 found 1 hour ago
Wed, Aug 6 - Tue, Aug 12
PDX
Portland Intl.
LAX
Los Angeles Intl.
$148 Roundtrip, found 10 hours ago
$148
Roundtrip
found 10 hours ago
Select Alaska Airlines flight, departing Wed, Aug 6 from Portland Intl. to Los Angeles Intl., returning Tue, Aug 12, priced at $148 found 10 hours ago
Sat, Sep 13 - Mon, Sep 22
PDX
Portland Intl.
LAX
Los Angeles Intl.
$155 Roundtrip, found 6 days ago
$155
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Portland Intl. to Los Angeles Intl., returning Mon, Sep 22, priced at $155 found 6 days ago
Thu, Sep 18 - Tue, Sep 23
PDX
Portland Intl.
LAX
Los Angeles Intl.
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Thu, Sep 18 from Portland Intl. to Los Angeles Intl., returning Tue, Sep 23, priced at $159 found 2 hours ago
Sat, Sep 13 - Tue, Sep 23
PDX
Portland Intl.
LAX
Los Angeles Intl.
$160 Roundtrip, found 3 days ago
$160
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Portland Intl. to Los Angeles Intl., returning Tue, Sep 23, priced at $160 found 3 days ago

Frequently asked questions

What route does flight number AS178 take?
AS178 takes around 2 hours and 20 minutes to fly straight from Juneau Intl. Airport to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.). Sure, there’s magic in the destination, but the journey is always half the fun!
What kind of plane is on flight number AS178?
The route for flight number AS178 is nearly always Juneau Intl. Airport to Seattle - Tacoma Intl. Airport (SEA), and the Boeing 737-700 is the type of plane you’re likely to be traveling on.
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 AS178 flight with Travelocity, please visit our Customer Service Portal.