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 5 days ago
$131
Roundtrip
found 5 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 5 days ago
Sat, Aug 9 - Tue, Aug 12
PDX
Portland Intl.
LAX
Los Angeles Intl.
$138 Roundtrip, just found
$138
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 9 from Portland Intl. to Los Angeles Intl., returning Tue, Aug 12, priced at $138 just found
Sat, Aug 30 - Sat, Sep 6
PDX
Portland Intl.
LAX
Los Angeles Intl.
$139 Roundtrip, just found
$139
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 30 from Portland Intl. to Los Angeles Intl., returning Sat, Sep 6, priced at $139 just found
Mon, Sep 8 - Tue, Sep 16
PDX
Portland Intl.
LAX
Los Angeles Intl.
$140 Roundtrip, found 4 days ago
$140
Roundtrip
found 4 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 4 days ago
Wed, Aug 6 - Tue, Aug 12
PDX
Portland Intl.
LAX
Los Angeles Intl.
$142 Roundtrip, found 15 hours ago
$142
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Wed, Aug 6 from Portland Intl. to Los Angeles Intl., returning Tue, Aug 12, priced at $142 found 15 hours ago
Mon, Aug 4 - Wed, Aug 6
PDX
Portland Intl.
LAX
Los Angeles Intl.
$147 Roundtrip, just found
$147
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Aug 4 from Portland Intl. to Los Angeles Intl., returning Wed, Aug 6, priced at $147 just found
Wed, Aug 6 - Sat, Aug 9
PDX
Portland Intl.
LAX
Los Angeles Intl.
$148 Roundtrip, just found
$148
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Aug 6 from Portland Intl. to Los Angeles Intl., returning Sat, Aug 9, priced at $148 just found
Thu, Oct 30 - Mon, Nov 3
PDX
Portland Intl.
LAX
Los Angeles Intl.
$157 Roundtrip, just found
$157
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Oct 30 from Portland Intl. to Los Angeles Intl., returning Mon, Nov 3, priced at $157 just found
Sat, Aug 30 - Sat, Sep 6
PDX
Portland Intl.
LAX
Los Angeles Intl.
$158 Roundtrip, just found
$158
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, Aug 30 from Portland Intl. to Los Angeles Intl., returning Sat, Sep 6, priced at $158 just found
Wed, Aug 6 - Sat, Aug 9
PDX
Portland Intl.
LAX
Los Angeles Intl.
$159 Roundtrip, just found
$159
Roundtrip
just found
Select Alaska Airlines flight, departing Wed, Aug 6 from Portland Intl. to Los Angeles Intl., returning Sat, Aug 9, priced at $159 just found
Sat, Sep 13 - Tue, Sep 23
PDX
Portland Intl.
LAX
Los Angeles Intl.
$160 Roundtrip, found 5 days ago
$160
Roundtrip
found 5 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 5 days ago
Tue, Aug 5 - Sat, Aug 16
PDX
Portland Intl.
LAX
Los Angeles Intl.
$166 Roundtrip, found 13 hours ago
$166
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Tue, Aug 5 from Portland Intl. to Los Angeles Intl., returning Sat, Aug 16, priced at $166 found 13 hours 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.