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

Wander Wisely with exceptional service, 24/7 supportOpens in a new window

Feel at ease with free flight cancellations within 24 hours of booking

Change your flight without a fee on select flights

Alaska Airlines Flight 42 Route Deals From $209

The cheapest prices found with in the last 7 days for return flights were $372 and $209 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 4 - Sun, Oct 5
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$372 Roundtrip, found 3 days ago
$372
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Oct 4 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Oct 5, priced at $372 found 3 days ago
Sat, Oct 4 - Sun, Oct 5
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$398 Roundtrip, found 3 days ago
$398
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Oct 4 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Oct 5, priced at $398 found 3 days ago
Fri, Sep 5 - Sat, Sep 6
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$399 Roundtrip, found 20 hours ago
$399
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Juneau Intl. to Seattle - Tacoma Intl., returning Sat, Sep 6, priced at $399 found 20 hours ago
Thu, Aug 14 - Sun, Aug 17
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$425 Roundtrip, found 7 hours ago
$425
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Thu, Aug 14 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Aug 17, priced at $425 found 7 hours ago
Fri, Oct 10 - Sun, Oct 12
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$429 Roundtrip, found 4 days ago
$429
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Oct 10 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Oct 12, priced at $429 found 4 days ago
Sat, Aug 30 - Sun, Aug 31
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$430 Roundtrip, found 3 days ago
$430
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Aug 30 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Aug 31, priced at $430 found 3 days ago
Thu, Sep 18 - Wed, Sep 24
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$433 Roundtrip, just found
$433
Roundtrip
just found
Select Alaska Airlines flight, departing Thu, Sep 18 from Juneau Intl. to Seattle - Tacoma Intl., returning Wed, Sep 24, priced at $433 just found
Fri, Sep 5 - Mon, Sep 8
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$440 Roundtrip, found 3 hours ago
$440
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Fri, Sep 5 from Juneau Intl. to Seattle - Tacoma Intl., returning Mon, Sep 8, priced at $440 found 3 hours ago
Sun, Aug 17 - Thu, Aug 21
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$445 Roundtrip, found 1 day ago
$445
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Aug 17 from Juneau Intl. to Seattle - Tacoma Intl., returning Thu, Aug 21, priced at $445 found 1 day ago
Thu, Aug 28 - Sun, Aug 31
JNU
Juneau Intl.
SEA
Seattle - Tacoma Intl.
$445 Roundtrip, found 3 days ago
$445
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Aug 28 from Juneau Intl. to Seattle - Tacoma Intl., returning Sun, Aug 31, priced at $445 found 3 days ago