Alaska Airlines Flight 2105 Deals & Information (2025/2026)

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Alaska Airlines Flight 2105 Route Deals From

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

Tue, May 27 - Mon, Jun 2
SEA
Seattle - Tacoma Intl.
BOI
Boise
$117 Roundtrip, found 3 days ago
$117
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, May 27 from Seattle - Tacoma Intl. to Boise, returning Mon, Jun 2, priced at $117 found 3 days ago
Mon, May 26 - Fri, May 30
SEA
Seattle - Tacoma Intl.
BOI
Boise
$127 Roundtrip, found 2 days ago
$127
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, May 26 from Seattle - Tacoma Intl. to Boise, returning Fri, May 30, priced at $127 found 2 days ago
Sat, May 31 - Sat, Jun 7
SEA
Seattle - Tacoma Intl.
BOI
Boise
$139 Roundtrip, found 12 hours ago
$139
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Sat, May 31 from Seattle - Tacoma Intl. to Boise, returning Sat, Jun 7, priced at $139 found 12 hours ago
Sat, May 24 - Fri, May 30
SEA
Seattle - Tacoma Intl.
BOI
Boise
$141 Roundtrip, found 2 days ago
$141
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, May 24 from Seattle - Tacoma Intl. to Boise, returning Fri, May 30, priced at $141 found 2 days ago
Sat, May 31 - Mon, Jun 2
SEA
Seattle - Tacoma Intl.
BOI
Boise
$143 Roundtrip, just found
$143
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, May 31 from Seattle - Tacoma Intl. to Boise, returning Mon, Jun 2, priced at $143 just found
Thu, May 22 - Wed, May 28
SEA
Seattle - Tacoma Intl.
BOI
Boise
$147 Roundtrip, found 3 days ago
$147
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, May 22 from Seattle - Tacoma Intl. to Boise, returning Wed, May 28, priced at $147 found 3 days ago
Sat, May 31 - Mon, Jun 2
SEA
Seattle - Tacoma Intl.
BOI
Boise
$149 Roundtrip, just found
$149
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, May 31 from Seattle - Tacoma Intl. to Boise, returning Mon, Jun 2, priced at $149 just found
Thu, May 29 - Fri, May 30
SEA
Seattle - Tacoma Intl.
BOI
Boise
$151 Roundtrip, found 3 days ago
$151
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, May 29 from Seattle - Tacoma Intl. to Boise, returning Fri, May 30, priced at $151 found 3 days ago
Fri, Jun 13 - Mon, Jun 16
SEA
Seattle - Tacoma Intl.
BOI
Boise
$153 Roundtrip, just found
$153
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Jun 13 from Seattle - Tacoma Intl. to Boise, returning Mon, Jun 16, priced at $153 just found
Fri, May 23 - Fri, May 30
SEA
Seattle - Tacoma Intl.
BOI
Boise
$155 Roundtrip, found 4 days ago
$155
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, May 23 from Seattle - Tacoma Intl. to Boise, returning Fri, May 30, priced at $155 found 4 days ago
Fri, Jun 13 - Mon, Jun 16
SEA
Seattle - Tacoma Intl.
BOI
Boise
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Alaska Airlines flight, departing Fri, Jun 13 from Seattle - Tacoma Intl. to Boise, returning Mon, Jun 16, priced at $160 just found
Sat, Jun 14 - Tue, Jun 17
SEA
Seattle - Tacoma Intl.
BOI
Boise
$167 Roundtrip, found 2 days ago
$167
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jun 14 from Seattle - Tacoma Intl. to Boise, returning Tue, Jun 17, priced at $167 found 2 days ago
Sat, May 31 - Mon, Jun 2
SEA
Seattle - Tacoma Intl.
BOI
Boise
$170 Roundtrip, just found
$170
Roundtrip
just found
Select Alaska Airlines flight, departing Sat, May 31 from Seattle - Tacoma Intl. to Boise, returning Mon, Jun 2, priced at $170 just found
Sat, May 24 - Sat, May 31
PAE
Seattle Paine Field Intl. Airport
BOI
Boise
$259 Roundtrip, found 2 days ago
$259
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, May 24 from Seattle Paine Field Intl. Airport to Boise, returning Sat, May 31, priced at $259 found 2 days ago