Alaska Airlines Flight 138 Deals & Information (2026/2027)

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Alaska Airlines Flight 138 Route Deals From $80

The cheapest prices found with in the last 7 days for return flights were $117 and $80 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Feb 14 - Sat, Feb 21
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$117 Roundtrip, found 3 hours ago
$117
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Sat, Feb 14 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Feb 21, priced at $117 found 3 hours ago
Wed, Feb 4 - Sat, Feb 7
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$119 Roundtrip, found 4 hours ago
$119
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $119 found 4 hours ago
Wed, Feb 4 - Sat, Feb 7
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$121 Roundtrip, found 4 hours ago
$121
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $121 found 4 hours ago
Wed, Feb 4 - Sat, Feb 7
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$129 Roundtrip, found 14 hours ago
$129
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $129 found 14 hours ago
Wed, Feb 4 - Sat, Feb 7
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$129 Roundtrip, found 4 hours ago
$129
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $129 found 4 hours ago
Fri, Jan 30 - Mon, Feb 2
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$142 Roundtrip, found 1 day ago
$142
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Jan 30 from Missoula Intl. to Seattle - Tacoma Intl., returning Mon, Feb 2, priced at $142 found 1 day ago
Fri, Jan 30 - Mon, Feb 2
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Jan 30 from Missoula Intl. to Seattle - Tacoma Intl., returning Mon, Feb 2, priced at $154 found 1 day ago
Sat, Feb 28 - Sat, Mar 7
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$157 Roundtrip, found 1 day ago
$157
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Feb 28 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Mar 7, priced at $157 found 1 day ago
Wed, Feb 4 - Sat, Feb 7
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$159 Roundtrip, found 14 hours ago
$159
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $159 found 14 hours ago
Wed, Feb 4 - Sat, Feb 7
MSO
Missoula Intl.
SEA
Seattle - Tacoma Intl.
$159 Roundtrip, found 4 hours ago
$159
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Feb 4 from Missoula Intl. to Seattle - Tacoma Intl., returning Sat, Feb 7, priced at $159 found 4 hours ago

Frequently asked questions

What route does flight number AS138 take?
AS138 flies non-stop from Ted Stevens Anchorage Intl. Airport (ANC) to Chicago, IL Airport (ORD-O'Hare Intl.). During this trip, you can expect to be in the air for approximately 6 hours and 35 minutes. Consider booking ahead to get your favorite seat.
What terminal does AS138 fly out of?
Direct flights to and from ANC and ORD are served by flight number AS138, and those traveling on this flight usually jet off from Terminal S.
What kind of plane is on flight number AS138?
Get set to hop on board a Boeing 737-900 if you've reserved a seat on flight AS138. Almost all services from Anchorage, AK Airport (ANC-Ted Stevens Anchorage Intl.) to O'Hare Airport are operated using this aircraft type.
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 AS138 flight with Travelocity, please visit our Customer Service Portal.