Alaska Airlines Flight 172 Deals & Information (2026/2027)

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Alaska Airlines Flight 172 Route Deals From $559

The cheapest prices found with in the last 7 days for return flights were $1,000 and $559 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Jun 4 - Mon, Jul 6
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,000 Roundtrip, found 2 hours ago
$1,000
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Thu, Jun 4 from Incheon Intl. to Seattle - Tacoma Intl., returning Mon, Jul 6, priced at $1,000 found 2 hours ago
Fri, Jun 12 - Wed, Jul 29
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,016 Roundtrip, found 4 days ago
$1,016
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Jun 12 from Incheon Intl. to Seattle - Tacoma Intl., returning Wed, Jul 29, priced at $1,016 found 4 days ago
Mon, May 18 - Wed, Jul 15
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,022 Roundtrip, found 2 days ago
$1,022
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Mon, May 18 from Incheon Intl. to Seattle - Tacoma Intl., returning Wed, Jul 15, priced at $1,022 found 2 days ago
Mon, Jun 22 - Mon, Jul 6
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,026 Roundtrip, just found
$1,026
Roundtrip
just found
Select Alaska Airlines flight, departing Mon, Jun 22 from Incheon Intl. to Seattle - Tacoma Intl., returning Mon, Jul 6, priced at $1,026 just found
Sun, May 31 - Mon, Jul 6
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,039 Roundtrip, found 9 hours ago
$1,039
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sun, May 31 from Incheon Intl. to Seattle - Tacoma Intl., returning Mon, Jul 6, priced at $1,039 found 9 hours ago
Sun, Jun 28 - Fri, Jul 24
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,061 Roundtrip, found 20 hours ago
$1,061
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Sun, Jun 28 from Incheon Intl. to Seattle - Tacoma Intl., returning Fri, Jul 24, priced at $1,061 found 20 hours ago
Wed, Jun 3 - Wed, Jul 8
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,086 Roundtrip, found 5 days ago
$1,086
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Jun 3 from Incheon Intl. to Seattle - Tacoma Intl., returning Wed, Jul 8, priced at $1,086 found 5 days ago
Wed, Jun 3 - Wed, Jul 15
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,095 Roundtrip, found 13 hours ago
$1,095
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Wed, Jun 3 from Incheon Intl. to Seattle - Tacoma Intl., returning Wed, Jul 15, priced at $1,095 found 13 hours ago
Mon, Jun 1 - Mon, Apr 5
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,101 Roundtrip, found 1 day ago
$1,101
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Jun 1 from Incheon Intl. to Seattle - Tacoma Intl., returning Mon, Apr 5, priced at $1,101 found 1 day ago
Fri, Jun 12 - Wed, Jul 29
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,106 Roundtrip, found 4 days ago
$1,106
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Jun 12 from Incheon Intl. to Seattle - Tacoma Intl., returning Wed, Jul 29, priced at $1,106 found 4 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.