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 $1,016 and $559 for one-way flights to Seattle - Tacoma Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

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 1 day ago
$1,022
Roundtrip
found 1 day 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 1 day ago
Thu, Jun 25 - Fri, Jul 10
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,026 Roundtrip, found 4 hours ago
$1,026
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, Jun 25 from Incheon Intl. to Seattle - Tacoma Intl., returning Fri, Jul 10, priced at $1,026 found 4 hours ago
Sun, May 31 - Mon, Jul 6
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,039 Roundtrip, found 4 hours ago
$1,039
Roundtrip
found 4 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 4 hours ago
Sun, Jun 28 - Fri, Jul 24
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,061 Roundtrip, found 15 hours ago
$1,061
Roundtrip
found 15 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 15 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 8 hours ago
$1,095
Roundtrip
found 8 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 8 hours ago
Mon, Jun 1 - Mon, Apr 5
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,101 Roundtrip, found 21 hours ago
$1,101
Roundtrip
found 21 hours 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 21 hours 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
Fri, Jun 12 - Wed, Jul 29
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,111 Roundtrip, found 4 days ago
$1,111
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 $1,111 found 4 days ago
Mon, May 18 - Wed, Jul 15
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,120 Roundtrip, found 1 day ago
$1,120
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, May 18 from Incheon Intl. to Seattle - Tacoma Intl., returning Wed, Jul 15, priced at $1,120 found 1 day ago
Thu, Jun 11 - Sun, Jul 12
ICN
Incheon Intl.
SEA
Seattle - Tacoma Intl.
$1,146 Roundtrip, found 3 hours ago
$1,146
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Thu, Jun 11 from Incheon Intl. to Seattle - Tacoma Intl., returning Sun, Jul 12, priced at $1,146 found 3 hours 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.