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

View AU$679 flight on Sun, 10 Aug. 2025Opens 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 (KOA) to Seattle (SEA)

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 Kailua-Kona (KOA) to Seattle (SEA)

September is typically the cheapest month to fly

From AU$350 - AU$877 per traveller.

Graph displaying average flight prices per month

Flight from Kailua-Kona to Seattle route information
Origin airport
Kona Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
4301 km
Average flight time
8 hours 52 mins

Your quick guide to flights from Kailua-Kona to Seattle

Pick up great flights from Kailua-Kona to Seattle

With Expedia, you have your pick of flights a day with 8 airlines covering flights from Kailua-Kona to Seattle. 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 Kailua-Kona to Seattle that take around hours.

Find cheap flights from Kailua-Kona to Seattle

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 Kailua-Kona to Seattle 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 Seattle is normally in .

Reasons to book your flight from Kailua-Kona to Seattle 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 Kailua-Kona to Seattle 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 Seattle 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 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 . 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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