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

View AU$334 flight on Sun, 12 Oct. 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

September is typically the cheapest month to fly

From AU$298 - AU$538 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Kailua-Kona route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Kona Intl.
Distance
4301 km
Average flight time
3 hours 10 mins

Your quick guide to flights from Seattle to Kailua-Kona

Pick up great flights from Seattle to Kailua-Kona

With Expedia, you have your pick of 13 flights a day with 20 airlines covering flights from Seattle to Kailua-Kona. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Kailua-Kona that take around 0 hours.

Find cheap flights from Seattle to Kailua-Kona

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Kailua-Kona around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Kailua-Kona is normally in .

Reasons to book your flight from Seattle to Kailua-Kona with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Kailua-Kona across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Kailua-Kona right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to KOA?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between SEA and Kona Intl. Airport (KOA) start from . Book today to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Kona Intl. Airport (KOA)?
Every airline has different terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from Sea-Tac Airport to Ellison Onizuka Kona Intl. Airport at Keāhole 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 SEA to Kona Intl. Airport (KOA) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Kona Intl. Airport (KOA)?
With a flight distance of 4 300 kilometres between SeaTac and Kailua-Kona, this is a long trip. Ensure that you drink plenty of water and get up to stretch your legs every now and then.
Which airlines fly direct from SEA to Kona Intl. Airport (KOA)?
There are a few airlines that fly straight from SEA to Kona Intl. Airport (KOA). Alaska Airlines (AS) is a popular option, offering 60 flights a month. You could also have a look at the fares on offer with Delta Air Lines (DL). This airline operates 26 monthly flights between SeaTac and Kailua-Kona.
Are SEA to KOA flight tickets cheaper when they're purchased at the last minute?
Flight tickets from SEA to KOA are available up to 12 months before departure on Expedia. And although you may nab a great last-minute deal, it's never a sure thing. Also, booking your flights ahead of time means you'll have more choices — and you can avoid ending up with the dreaded middle seat! We frequently update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

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Kailua-Kona Flight Deals

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