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

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Hawaiian Airlines Flight 21 Route Deals From $204

The cheapest prices found with in the last 7 days for return flights were $353 and $204 for one-way flights to Daniel K. Inouye Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, May 6 - Tue, May 13
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$353 Roundtrip, found 2 days ago
$353
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, May 6 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Tue, May 13, priced at $353 found 2 days ago
Tue, May 20 - Wed, May 28
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$392 Roundtrip, found 4 days ago
$392
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, May 20 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Wed, May 28, priced at $392 found 4 days ago
Wed, May 14 - Mon, May 19
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$416 Roundtrip, found 1 day ago
$416
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Wed, May 14 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Mon, May 19, priced at $416 found 1 day ago
Sat, Aug 23 - Fri, Sep 5
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$465 Roundtrip, found 3 days ago
$465
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Aug 23 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Fri, Sep 5, priced at $465 found 3 days ago
Wed, Aug 27 - Tue, Sep 2
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$480 Roundtrip, found 3 days ago
$480
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Aug 27 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Tue, Sep 2, priced at $480 found 3 days ago
Sat, Aug 23 - Tue, Sep 2
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$494 Roundtrip, found 3 days ago
$494
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Aug 23 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Tue, Sep 2, priced at $494 found 3 days ago
Wed, Aug 27 - Thu, Sep 4
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$502 Roundtrip, found 3 days ago
$502
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Aug 27 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Thu, Sep 4, priced at $502 found 3 days ago
Sat, Aug 23 - Wed, Sep 3
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$513 Roundtrip, found 3 days ago
$513
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Aug 23 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Wed, Sep 3, priced at $513 found 3 days ago
Sat, Aug 23 - Thu, Sep 4
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$516 Roundtrip, found 3 days ago
$516
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Sat, Aug 23 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Thu, Sep 4, priced at $516 found 3 days 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.