Hawaiian Airlines Flight HA21 Deals & Information (2025/2026)

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Hawaiian Airlines Flight 21 Route Deals From $234

The cheapest prices found with in the last 7 days for return flights were $438 and $234 for one-way flights to Daniel K. Inouye Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 22 - Tue, Oct 28
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$438 Roundtrip, found 3 hours ago
$438
Roundtrip
found 3 hours ago
Select Hawaiian Airlines flight, departing Wed, Oct 22 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Tue, Oct 28, priced at $438 found 3 hours ago

Frequently asked questions

What route does flight number HA21 take?
HA21 flies directly from Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to Daniel K. Inouye Intl. Airport (HNL). During this trip, you'll be in the air for about 6 hours and 5 minutes. Consider booking ahead to secure your favorite seat.
What kind of plane is on flight number HA21?
The route for flight number HA21 is generally Seattle - Tacoma Intl. Airport (SEA) to HNL, and the Airbus A330-200 is the type of plane you'll probably be traveling 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 HA21 flight with Travelocity, please visit our Customer Service Portal.