Alaska Airlines Flight 623 Deals & Information (2025/2026)

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Alaska Airlines Flight 623 Route Deals From $251

The cheapest prices found with in the last 7 days for return flights were $497 and $251 for one-way flights to Ted Stevens Anchorage Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Oct 4 - Sat, Oct 11
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$497 Roundtrip, found 8 hours ago
$497
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Oct 4 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Sat, Oct 11, priced at $497 found 8 hours ago
Mon, Aug 11 - Mon, Aug 18
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$499 Roundtrip, found 4 days ago
$499
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Aug 11 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Mon, Aug 18, priced at $499 found 4 days ago
Sat, Oct 4 - Sat, Oct 11
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$504 Roundtrip, found 8 hours ago
$504
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Sat, Oct 4 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Sat, Oct 11, priced at $504 found 8 hours ago
Sun, Aug 31 - Sat, Sep 6
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$516 Roundtrip, found 19 hours ago
$516
Roundtrip
found 19 hours ago
Select Alaska Airlines flight, departing Sun, Aug 31 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Sat, Sep 6, priced at $516 found 19 hours ago
Wed, Jul 16 - Thu, Jul 24
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$522 Roundtrip, found 11 hours ago
$522
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Wed, Jul 16 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Thu, Jul 24, priced at $522 found 11 hours ago
Tue, Jul 22 - Wed, Jul 30
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$533 Roundtrip, just found
$533
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Jul 22 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Wed, Jul 30, priced at $533 just found

Frequently asked questions

What route does flight number AS623 take?
Flight number AS623 takes about 2 hours and 55 minutes to fly directly from DIA airport to Sea-Tac Airport. Sure, there’s magic in the destination, but the journey is always half the fun!
How often is AS623 on time?
Alaska Airlines flight number AS623 from DIA airport to Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) lands on time 93% of the time — so you can rest easy knowing you’ll arrive at your destination ASAP. If this trip happens to be delayed, you’re likely to wait roughly 44 minutes. This route has a 2.85-star rating.
What kind of plane is on flight number AS623?
The route for flight number AS623 is nearly always DEN to Seattle - Tacoma Intl. Airport (SEA), and the Boeing 737-900 is the type of plane you’re likely to be flying on.
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 AS623 flight with Travelocity, please visit our Customer Service Portal.