Alaska Airlines Flight 2018 Deals & Information (2025/2026)

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Alaska Airlines Flight 2018 Route Deals From $101

The cheapest prices found with in the last 7 days for return flights were $197 and $101 for one-way flights to Idaho Falls Regional for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Aug 20 - Tue, Aug 26
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$197 Roundtrip, found 16 hours ago
$197
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Wed, Aug 20 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Tue, Aug 26, priced at $197 found 16 hours ago
Wed, May 28 - Wed, Jun 4
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$200 Roundtrip, found 4 days ago
$200
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, May 28 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Wed, Jun 4, priced at $200 found 4 days ago
Thu, Sep 18 - Tue, Sep 23
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$207 Roundtrip, found 9 hours ago
$207
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Thu, Sep 18 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Tue, Sep 23, priced at $207 found 9 hours ago
Thu, Sep 25 - Sun, Oct 5
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$217 Roundtrip, found 9 hours ago
$217
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Thu, Sep 25 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Sun, Oct 5, priced at $217 found 9 hours ago
Thu, Sep 25 - Sun, Oct 5
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$227 Roundtrip, found 9 hours ago
$227
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Thu, Sep 25 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Sun, Oct 5, priced at $227 found 9 hours ago
Wed, May 28 - Tue, Jun 3
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$230 Roundtrip, found 5 days ago
$230
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, May 28 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Tue, Jun 3, priced at $230 found 5 days ago
Tue, Jun 3 - Sat, Jun 7
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Tue, Jun 3 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Sat, Jun 7, priced at $231 found 2 days ago
Wed, May 28 - Thu, May 29
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$241 Roundtrip, found 2 days ago
$241
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Wed, May 28 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Thu, May 29, priced at $241 found 2 days ago
Fri, May 30 - Tue, Jun 3
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$243 Roundtrip, found 9 hours ago
$243
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Fri, May 30 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Tue, Jun 3, priced at $243 found 9 hours ago
Wed, May 28 - Tue, Jun 3
SEA
Seattle - Tacoma Intl.
IDA
Idaho Falls Regional
$246 Roundtrip, found 5 days ago
$246
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, May 28 from Seattle - Tacoma Intl. to Idaho Falls Regional, returning Tue, Jun 3, priced at $246 found 5 days ago