$139 Cheap Flights from Kailua-Kona (KOA) to Seattle (SEA)

View $139 flight on Thu, Jan 15, 2026Opens in a new window

Popular airlines from Kona Intl. Airport (KOA) to Seattle-Tacoma International Airport (SEA)

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Cheap Flights from Kailua-Kona to Seattle (KOA-SEA)

Prices were available within the past 7 days and start at $139 for one-way flights and $249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Bargain Flight
Thu, Jan 22 - Mon, Jan 26
KOA
Kona Coast
SEA
Seattle
$249 Roundtrip, found 2 days ago
$249
Roundtrip
found 2 days ago
Select Bargain Flight flight, departing Thu, Jan 22 from Kona Coast to Seattle, returning Mon, Jan 26, priced at $249 found 2 days ago
Delta
Sat, Jan 31 - Sun, Feb 1
KOA
Kona Coast
SEA
Seattle
$252 Roundtrip, found 5 days ago
$252
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 31 from Kona Coast to Seattle, returning Sun, Feb 1, priced at $252 found 5 days ago
Delta
Wed, Nov 26 - Mon, Dec 1
KOA
Kona Coast
SEA
Seattle
$258 Roundtrip, found 2 days ago
$258
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Nov 26 from Kona Coast to Seattle, returning Mon, Dec 1, priced at $258 found 2 days ago
Delta
Sat, Jan 31 - Sun, Feb 1
KOA
Kona Coast
SEA
Seattle
$262 Roundtrip, found 5 days ago
$262
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 31 from Kona Coast to Seattle, returning Sun, Feb 1, priced at $262 found 5 days ago
Delta
Sun, Nov 23 - Thu, Dec 4
KOA
Kona Coast
SEA
Seattle
$268 Roundtrip, found 2 days ago
$268
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Nov 23 from Kona Coast to Seattle, returning Thu, Dec 4, priced at $268 found 2 days ago
Delta
Sat, Jan 31 - Sun, Feb 1
KOA
Kona Coast
SEA
Seattle
$272 Roundtrip, found 5 days ago
$272
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Jan 31 from Kona Coast to Seattle, returning Sun, Feb 1, priced at $272 found 5 days ago
Alaska Airlines
Thu, Nov 20 - Fri, Nov 28
KOA
Kona Coast
SEA
Seattle
$273 Roundtrip, found 2 days ago
$273
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Thu, Nov 20 from Kona Coast to Seattle, returning Fri, Nov 28, priced at $273 found 2 days ago
Delta
Thu, Jan 22 - Mon, Jan 26
KOA
Kona Coast
SEA
Seattle
$277 Roundtrip, found 2 days ago
$277
Roundtrip
found 2 days ago
Select Delta flight, departing Thu, Jan 22 from Kona Coast to Seattle, returning Mon, Jan 26, priced at $277 found 2 days ago
Southwest Airlines
Thu, Nov 20 - Tue, Dec 2
KOA
Kona Coast
SEA
Seattle
$277 Roundtrip, found 1 day ago
$277
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Thu, Nov 20 from Kona Coast to Seattle, returning Tue, Dec 2, priced at $277 found 1 day ago
United
Tue, Feb 10 - Tue, Feb 17
KOA
Kona Coast
SEA
Seattle
$277 Roundtrip, found 14 hours ago
$277
Roundtrip
found 14 hours ago
Select United flight, departing Tue, Feb 10 from Kona Coast to Seattle, returning Tue, Feb 17, priced at $277 found 14 hours ago

Find the cheapest month to fly from Kailua-Kona (KOA) to Seattle (SEA)

December is typically the cheapest month to fly

From $254 - $783 per traveler.

Alternative airports near Seattle

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Seattle - Tacoma Intl. SEA. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $765
SEA
Seattle - Tacoma Intl.
Cheapest
Average driving time to city center20 min
Flights from $765

Frequently asked questions

How much does a flight from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA) cost?
Get a cheap one-way flight from $139 or cheap return flight from $249 from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
Traveling in January may help you find better deals, as it's the cheapest month for flights between KOA and SEA. You'll usually find the lowest prices during the off-season.
Which airlines fly direct from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
You can travel nonstop from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA) on an Alaska Airlines flight.
What is the cheapest airline that flies from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
Delta Air Lines and Alaska Airlines are well-known airlines offering competitive fares. Remember that flight prices from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA) can change based on demand, travel dates and how early you book. With Expedia's filter tool, you can easily find a KOA to SEA flight that works with your plans and budget.
How many flights per day from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
Each day, an average of 4 nonstop flights take off from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA). Choose the departure date that works for you.
What are the most popular departure times for flights from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
More people fly between KOA and SEA at 9 PM than at any other point in the day. Prefer a quieter experience? Travel outside of rush hours and you're likely to save on your fare as well.
What day of the week has the most flights from KOA to SEA?
Travel on a Friday if you're searching for the best selection of flights from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA).
What is the earliest flight from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
The first flight of the day departing from Kona Intl. Airport (KOA) is at around 9:00AM UTC-10. Board this plane and you'll touch down at Seattle - Tacoma Intl. Airport (SEA) at approximately 4:59PM UTC-8. The total flight duration is 5h 59m.
How long does it take to fly from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
It takes approximately 5 hours and 59 minutes to cover the 2,700 mi from KOA to SEA.
What airline has the least delays from KOA to SEA?
Delta Air Lines has the best performance for on-time direct flights from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA), with an on-time score of 82%. Use the Expedia App to look up your journey status before you go and get real-time alerts about any changes.
What is the best time to fly from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
To avoid possible delays on the Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA) route, aim to travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Seattle from Kona Intl. Airport (KOA)?
Seattle - Tacoma Intl. Airport (SEA) is the only airport in Seattle with direct flights from Kona Intl. Airport (KOA). Explore the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until just before your trip to book a flight from KOA to SEA generally means paying more. Although you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a KOA to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a KOA to SEA flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one convenient place will take the hassle out of travel planning. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with extras like car rentals and activities.
Can I cancel or change the date of my flight from Kona Intl. Airport (KOA) to Seattle - Tacoma Intl. Airport (SEA)?
If you reserved your KOA to SEA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kona Intl.
Destination airport
Seattle - Tacoma Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$249
Distance
2688 mi
Average flight time
7 hours 59 mins

Book with confidence

Kailua-Kona to Seattle Flights

The cheapest times to fly from Kailua-Kona to Seattle

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Kailua-Kona to Seattle are during the month of January. You can find some of the cheapest flights from Kailua-Kona to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kailua-Kona to Seattle

Sunday is one of the best days to book for cheap flights from Kailua-Kona to Seattle: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Kailua-Kona to Seattle

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Kailua-Kona to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Kailua-Kona to Seattle flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Kailua-Kona to Seattle airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Kailua-Kona to Seattle Flights

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*Available to One Key members.