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

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Hawaiian Airlines Flight 21 Route Deals From $219

The cheapest prices found with in the last 7 days for return flights were $388 and $219 for one-way flights to Daniel K. Inouye Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 14 - Tue, Oct 21
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$388 Roundtrip, found 2 days ago
$388
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 14 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Tue, Oct 21, priced at $388 found 2 days ago
Tue, Oct 14 - Tue, Oct 21
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$394 Roundtrip, found 2 days ago
$394
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 14 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Tue, Oct 21, priced at $394 found 2 days ago
Wed, Oct 15 - Wed, Oct 22
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$403 Roundtrip, found 19 hours ago
$403
Roundtrip
found 19 hours ago
Select Hawaiian Airlines flight, departing Wed, Oct 15 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Wed, Oct 22, priced at $403 found 19 hours ago
Wed, Oct 15 - Wed, Oct 22
SEA
Seattle - Tacoma Intl.
HNL
Daniel K. Inouye Intl.
$443 Roundtrip, found 19 hours ago
$443
Roundtrip
found 19 hours ago
Select Hawaiian Airlines flight, departing Wed, Oct 15 from Seattle - Tacoma Intl. to Daniel K. Inouye Intl., returning Wed, Oct 22, priced at $443 found 19 hours ago
Tue, Sep 16 - Mon, Sep 22
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$454 Roundtrip, found 1 day ago
$454
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Mon, Sep 22, priced at $454 found 1 day ago
Tue, Sep 16 - Thu, Sep 25
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$459 Roundtrip, found 1 day ago
$459
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Thu, Sep 25, priced at $459 found 1 day ago
Tue, Sep 16 - Fri, Sep 19
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$460 Roundtrip, found 1 day ago
$460
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Fri, Sep 19, priced at $460 found 1 day ago
Mon, Sep 15 - Mon, Sep 22
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$463 Roundtrip, found 1 day ago
$463
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Sep 15 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Mon, Sep 22, priced at $463 found 1 day ago
Tue, Oct 14 - Tue, Oct 21
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$466 Roundtrip, found 2 days ago
$466
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 14 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Tue, Oct 21, priced at $466 found 2 days ago
Mon, Sep 15 - Thu, Sep 25
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$468 Roundtrip, found 1 day ago
$468
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Sep 15 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Thu, Sep 25, priced at $468 found 1 day ago
Mon, Sep 15 - Wed, Sep 24
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$473 Roundtrip, found 1 day ago
$473
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Sep 15 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Wed, Sep 24, priced at $473 found 1 day ago
Sat, Sep 20 - Thu, Sep 25
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$474 Roundtrip, found 1 day ago
$474
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Sep 20 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Thu, Sep 25, priced at $474 found 1 day ago
Sun, Sep 21 - Mon, Sep 22
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$479 Roundtrip, found 1 day ago
$479
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sun, Sep 21 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Mon, Sep 22, priced at $479 found 1 day ago
Sun, Sep 21 - Thu, Sep 25
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$483 Roundtrip, found 1 day ago
$483
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sun, Sep 21 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Thu, Sep 25, priced at $483 found 1 day ago
Tue, Oct 14 - Wed, Oct 22
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$484 Roundtrip, found 2 days ago
$484
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Tue, Oct 14 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Wed, Oct 22, priced at $484 found 2 days ago
Tue, Sep 16 - Sun, Sep 21
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$489 Roundtrip, found 1 day ago
$489
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Sun, Sep 21, priced at $489 found 1 day ago
Fri, Sep 19 - Mon, Sep 22
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$494 Roundtrip, found 1 day ago
$494
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Fri, Sep 19 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Mon, Sep 22, priced at $494 found 1 day ago
Mon, Sep 15 - Sun, Sep 21
PAE
Seattle Paine Field Intl. Airport
HNL
Daniel K. Inouye Intl.
$498 Roundtrip, found 1 day ago
$498
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Mon, Sep 15 from Seattle Paine Field Intl. Airport to Daniel K. Inouye Intl., returning Sun, Sep 21, priced at $498 found 1 day 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.