Alaska Airlines Flight AS42 Deals & Information (2025/2026)

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Alaska Airlines Flight 42 Route Deals From $189

The cheapest prices found with in the last 7 days for return flights were $338 and $189 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Dec 14 - Fri, Jan 9
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Dec 14 from Juneau Intl. to Seattle - Tacoma Intl., returning Fri, Jan 9, priced at $338 found 1 day ago
Sat, Sep 27 - Sun, Sep 28
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$339 Roundtrip, found 1 day ago
$339
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $339 found 1 day ago
Sat, Sep 27 - Sun, Sep 28
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$340 Roundtrip, found 1 day ago
$340
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $340 found 1 day ago
Sat, Sep 27 - Sun, Sep 28
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$346 Roundtrip, found 1 day ago
$346
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $346 found 1 day ago
Sun, Dec 21 - Thu, Jan 1
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$368 Roundtrip, found 2 days ago
$368
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 21 from Juneau Intl. to Seattle - Tacoma Intl., returning Thu, Jan 1, priced at $368 found 2 days ago
Fri, Oct 10 - Mon, Oct 13
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$375 Roundtrip, found 1 day ago
$375
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Oct 10 from Juneau Intl. to Seattle - Tacoma Intl., returning Mon, Oct 13, priced at $375 found 1 day ago
Sat, Sep 27 - Sun, Sep 28
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$381 Roundtrip, found 1 day ago
$381
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Sep 27 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Sep 28, priced at $381 found 1 day ago
Sun, Oct 5 - Fri, Oct 10
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 5 from Juneau Intl. to Seattle - Tacoma Intl., returning Fri, Oct 10, priced at $384 found 1 day ago
Sun, Nov 2 - Tue, Nov 4
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$387 Roundtrip, found 2 hours ago
$387
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Sun, Nov 2 from Juneau Intl. to Seattle - Tacoma Intl., returning Tue, Nov 4, priced at $387 found 2 hours ago
Sun, Dec 21 - Thu, Jan 1
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$398 Roundtrip, found 2 days ago
$398
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sun, Dec 21 from Juneau Intl. to Seattle - Tacoma Intl., returning Thu, Jan 1, priced at $398 found 2 days ago