€188 Cheap Flights Kailua-Kona to Seattle (KOA-SEA)

View €188 flight on Fri, 9 Jan 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 €188 for one-way flights and €647 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€647 Return, just found
€647
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €647 just found
Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€651 Return, just found
€651
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €651 just found
Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€655 Return, just found
€655
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €655 just found
Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€669 Return, just found
€669
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €669 just found
Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€674 Return, just found
€674
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €674 just found
Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€676 Return, just found
€676
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €676 just found
Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€678 Return, just found
€678
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €678 just found
Delta
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€678 Return, just found
€678
Return
just found
Select Delta flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €678 just found
Hawaiian Airlines
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€715 Return, just found
€715
Return
just found
Select Hawaiian Airlines flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €715 just found
United
Wed, 27 Aug - Wed, 3 Sep
KOA
Kona Coast
SEA
Seattle
€730 Return, just found
€730
Return
just found
Select United flight, departing Wed, 27 Aug from Kona Coast to Seattle, returning Wed, 3 Sep, priced at €730 just found

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

December is typically the cheapest month to fly

From €214 - €741 per traveller.

Graph displaying average flight prices per month

Kailua-Kona to Seattle route information
Origin airport
Kona Intl.
Destination airport
Seattle - Tacoma Intl.
Return price
€646
Distance
4301 km
Average flight time
8 hours 50 mins

Perfect flights from Kailua-Kona to Seattle

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Kailua-Kona to Seattle. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Seattle, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Kona Intl. to Seattle - Tacoma Intl. ticket options cater to your travel preferences, with incredible one-way fares from €188 and roundtrip prices from €647. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Seattle - Tacoma Intl. and explore Seattle and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your KOA to SEA travel arrangements today and embark on the journey of a lifetime in Seattle.

Frequently asked questions

How much is a flight from Kona Intl. Airport (KOA) to SEA?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between Ellison Onizuka Kona Intl. Airport at Keāhole and SEA was €647. Great fares don't hang around forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ellison Onizuka Kona Intl. Airport at Keāhole to Seattle - Tacoma Intl. Airport (SEA)?
Most flights can be cancelled online, but every airline has its own set of terms and conditions. If you do need to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from Ellison Onizuka Kona Intl. Airport at Keāhole to Sea-Tac Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Kona Intl. Airport (KOA) to Sea-Tac Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Ellison Onizuka Kona Intl. Airport at Keāhole to Sea-Tac Airport?
The distance is around 4,300 kilometres. Travel pillow? Check. Spare socks? Check. You'd be wise to pack all the travel comforts for this long-haul Kailua-Kona to SeaTac flight.
Which airlines fly direct from Ellison Onizuka Kona Intl. Airport at Keāhole to Sea-Tac Airport?
Many adventurers choose to fly with Alaska Airlines (AS) from Kona Intl. Airport (KOA) to Sea-Tac Airport. This top airline offers 60 flights a month, so you can easily find a flight time that's right for you. You could also take a look at the fares available with Delta Air Lines (DL). It operates 26 monthly flights between Kailua-Kona and SeaTac.
Are KOA to Seattle - Tacoma Intl. Airport (SEA) flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so it's no sure thing. While last-minute deals between KOA and Seattle - Tacoma Intl. Airport (SEA) are possible, it also makes sense to keep a close eye on prices well before you fly. In fact, some airlines advertise their prices up to 12 months before the departure date. Expedia is continuously updating the best airfare bargains around, so check back often and be ready to lock in your seat when the fares dip.

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