$149 Cheap United flights Seattle (SEA) to Kailua-Kona (KOA)

View $149 flight on Wed, Sep 24, 2025Opens in a new window

$149 Cheap United flights Seattle (SEA) to Kailua-Kona (KOA)

Prices were available within the past 7 days and start at $149 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Nov 4 - Fri, Nov 14
SEA
Seattle
KOA
Kona Coast
$287 Roundtrip, found 12 hours ago
$287
Roundtrip
found 12 hours ago
Select United flight, departing Tue, Nov 4 from Seattle to Kona Coast, returning Fri, Nov 14, priced at $287 found 12 hours ago
United
Tue, Sep 30 - Tue, Oct 7
SEA
Seattle
KOA
Kona Coast
$302 Roundtrip, found 2 hours ago
$302
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 30 from Seattle to Kona Coast, returning Tue, Oct 7, priced at $302 found 2 hours ago
United
Mon, Sep 15 - Thu, Sep 25
SEA
Seattle
KOA
Kona Coast
$302 Roundtrip, found 12 hours ago
$302
Roundtrip
found 12 hours ago
Select United flight, departing Mon, Sep 15 from Seattle to Kona Coast, returning Thu, Sep 25, priced at $302 found 12 hours ago
United
Tue, Sep 30 - Tue, Oct 7
SEA
Seattle
KOA
Kona Coast
$313 Roundtrip, found 2 hours ago
$313
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Sep 30 from Seattle to Kona Coast, returning Tue, Oct 7, priced at $313 found 2 hours ago
United
Wed, Oct 29 - Mon, Nov 3
SEA
Seattle
KOA
Kona Coast
$316 Roundtrip, found 23 hours ago
$316
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Oct 29 from Seattle to Kona Coast, returning Mon, Nov 3, priced at $316 found 23 hours ago
United
Fri, Oct 17 - Thu, Oct 23
SEA
Seattle
KOA
Kona Coast
$319 Roundtrip, found 21 hours ago
$319
Roundtrip
found 21 hours ago
Select United flight, departing Fri, Oct 17 from Seattle to Kona Coast, returning Thu, Oct 23, priced at $319 found 21 hours ago
Flights from Seattle (SEA) to Kailua-Kona (KOA)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
2688 mi
Average flight time
3 hours 10 mins

Frequently asked questions

How much is a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Kona Intl. Airport (KOA)?
Use the "Price (lowest to highest)" filter on Expedia to look for cheap United Airlines round-trip flights from $287 from SEA to KOA. Affordable one-way tickets from $149 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from SEA to KOA with United Airlines?
United Airlines flights to Kailua-Kona are often cheaper in the quieter months of October and September. Whether you're in search of a one-way or a return ticket, you could score a better deal then.
What is the cheapest time to book flights from Seattle - Tacoma Intl. Airport (SEA) to Kona Intl. Airport (KOA) with United Airlines?
For cheap United Airlines fares from Seattle - Tacoma Intl. Airport (SEA) to Kona Intl. Airport (KOA), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday is generally the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Seattle - Tacoma Intl. Airport (SEA) to Kona Intl. Airport (KOA)?
To find out if there's a direct journey from SEA to KOA with United Airlines or any other airlines, check the "Nonstop" filter when looking for tickets.
What is the earliest United Airlines flight from SEA to KOA?
Browse United Airlines's earliest flights from SEA to KOA by using our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Kailua-Kona?
Get on a United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Kailua-Kona, and you'll most likely touch down at Kona Intl. Airport (KOA). This is the airline's primary hub in this destination.
Why fly with United Airlines from SEA to KOA?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to travel from SEA to KOA with United Airlines. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* alongside any airline loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Seattle - Tacoma Intl. Airport (SEA) to Kona Intl. Airport (KOA)?
You can usually cancel or reschedule your flight, although there may be additional charges if you booked more than 24 hours ago. Need flexible options? Make use of our "No cancel fee" or "Changes included" filter to find flights that won't charge you extra if you need to alter your plans. To update your itinerary, go to "Trips," select your flight and click on "Manage Booking" for more information.

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*Available to One Key members.