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 $494 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.

Mon, Aug 11 - Wed, Aug 20
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$494 Roundtrip, found 3 hours ago
$494
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Mon, Aug 11 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Wed, Aug 20, priced at $494 found 3 hours ago
Sat, Oct 4 - Sat, Oct 11
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$497 Roundtrip, found 13 hours ago
$497
Roundtrip
found 13 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 13 hours ago
Mon, Aug 11 - Tue, Aug 19
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$499 Roundtrip, found 3 hours ago
$499
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Mon, Aug 11 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Tue, Aug 19, priced at $499 found 3 hours ago
Sun, Aug 31 - Sat, Sep 6
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$516 Roundtrip, found 1 day ago
$516
Roundtrip
found 1 day 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 1 day ago
Wed, Jul 16 - Fri, Jul 18
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$522 Roundtrip, found 4 hours ago
$522
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Jul 16 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Fri, Jul 18, priced at $522 found 4 hours ago
Tue, Aug 19 - Thu, Aug 21
JFK
John F. Kennedy Intl.
ANC
Ted Stevens Anchorage Intl.
$592 Roundtrip, just found
$592
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Aug 19 from John F. Kennedy Intl. to Ted Stevens Anchorage Intl., returning Thu, Aug 21, priced at $592 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.