Alaska Airlines Flight 172 Deals & Information (2025/2026)

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Alaska Airlines Flight 172 Route Deals From $148

The cheapest prices found with in the last 7 days for return flights were $306 and $148 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jun 4 - Sun, Jun 8
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$306 Roundtrip, found 4 days ago
$306
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Jun 4 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Sun, Jun 8, priced at $306 found 4 days ago
Mon, May 26 - Mon, Jun 2
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$311 Roundtrip, found 1 day ago
$311
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, May 26 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Mon, Jun 2, priced at $311 found 1 day ago
Mon, May 26 - Tue, May 27
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$313 Roundtrip, found 2 days ago
$313
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, May 26 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Tue, May 27, priced at $313 found 2 days ago
Thu, Jun 5 - Fri, Jun 6
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$317 Roundtrip, found 1 day ago
$317
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Jun 5 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Fri, Jun 6, priced at $317 found 1 day ago
Thu, May 29 - Wed, Jun 4
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$322 Roundtrip, found 1 day ago
$322
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, May 29 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Wed, Jun 4, priced at $322 found 1 day ago
Thu, Jun 5 - Fri, Jun 6
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Thu, Jun 5 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Fri, Jun 6, priced at $333 found 1 day ago
Sun, Jun 8 - Thu, Jun 12
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$336 Roundtrip, found 15 hours ago
$336
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sun, Jun 8 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Thu, Jun 12, priced at $336 found 15 hours ago
Mon, May 19 - Tue, May 20
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$337 Roundtrip, found 5 days ago
$337
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Mon, May 19 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Tue, May 20, priced at $337 found 5 days ago
Sun, Jun 1 - Sat, Jun 7
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$343 Roundtrip, found 4 hours ago
$343
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Sun, Jun 1 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Sat, Jun 7, priced at $343 found 4 hours ago
Sat, Jun 14 - Sun, Jun 15
ANC
Ted Stevens Anchorage Intl.
SEA
Seattle - Tacoma Intl.
$351 Roundtrip, found 2 days ago
$351
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, Jun 14 from Ted Stevens Anchorage Intl. to Seattle - Tacoma Intl., returning Sun, Jun 15, priced at $351 found 2 days ago

Frequently asked questions

What route does flight number AS172 take?
AS172 takes about 5 hours and 20 minutes to fly directly from Ted Stevens Anchorage Intl. Airport (ANC) to Sky Harbor Intl. Airport (PHX). Sure, there’s magic in the destination, but half the fun is in the journey!
How often is AS172 on time?
Alaska Airlines flight number AS172 between ANC and PHX leaves on time 95% of the time — so you can relax with confidence knowing that you will reach your destination ASAP. If this flight is delayed, you’re likely to wait around 8 minutes. This route has a 4.85-star rating.
What terminal does AS172 fly out of?
Flights to and from ANC and Phoenix, AZ Airport (PHX-Sky Harbor Intl.) are served by AS172, and travelers booked on this flight typically board from Terminal S.
What kind of plane is on flight number AS172?
Get ready to cruise aboard a Boeing 737-800 if you’re booked on flight AS172. The majority of flights from ANC to Phoenix Sky Harbor Intl. Airport use this aircraft model.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AS172 flight with Travelocity, please visit our Customer Service Portal.