Alaska Airlines Flight AS2123 Deals & Information (2025/2026)

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Alaska Airlines Flight 2123 Route Deals From $79

The cheapest prices found with in the last 7 days for return flights were $157 and $79 for one-way flights to Missoula Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 20 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$157 Roundtrip, found 3 days ago
$157
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Aug 20 from Seattle - Tacoma Intl. to Missoula Intl., returning Tue, Aug 26, priced at $157 found 3 days ago
Wed, Aug 20 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$167 Roundtrip, found 3 days ago
$167
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Aug 20 from Seattle - Tacoma Intl. to Missoula Intl., returning Tue, Aug 26, priced at $167 found 3 days ago
Thu, Aug 28 - Tue, Sep 9
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$167 Roundtrip, found 8 hours ago
$167
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Seattle - Tacoma Intl. to Missoula Intl., returning Tue, Sep 9, priced at $167 found 8 hours ago
Thu, Oct 23 - Wed, Oct 29
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$177 Roundtrip, found 13 hours ago
$177
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Seattle - Tacoma Intl. to Missoula Intl., returning Wed, Oct 29, priced at $177 found 13 hours ago
Thu, Oct 23 - Wed, Oct 29
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$177 Roundtrip, found 13 hours ago
$177
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Seattle - Tacoma Intl. to Missoula Intl., returning Wed, Oct 29, priced at $177 found 13 hours ago
Thu, Oct 23 - Wed, Oct 29
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$187 Roundtrip, found 13 hours ago
$187
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Thu, Oct 23 from Seattle - Tacoma Intl. to Missoula Intl., returning Wed, Oct 29, priced at $187 found 13 hours ago
Thu, Aug 28 - Tue, Sep 9
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$187 Roundtrip, found 8 hours ago
$187
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Seattle - Tacoma Intl. to Missoula Intl., returning Tue, Sep 9, priced at $187 found 8 hours ago
Mon, Oct 13 - Tue, Oct 21
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$197 Roundtrip, found 2 days ago
$197
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, Oct 13 from Seattle - Tacoma Intl. to Missoula Intl., returning Tue, Oct 21, priced at $197 found 2 days ago
Wed, Jun 4 - Fri, Jun 6
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$201 Roundtrip, found 2 days ago
$201
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Seattle - Tacoma Intl. to Missoula Intl., returning Fri, Jun 6, priced at $201 found 2 days ago
Thu, Aug 14 - Mon, Aug 18
SEA
Seattle - Tacoma Intl.
MSO
Missoula Intl.
$204 Roundtrip, found 12 hours ago
$204
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Thu, Aug 14 from Seattle - Tacoma Intl. to Missoula Intl., returning Mon, Aug 18, priced at $204 found 12 hours ago