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

KOA — SEA
May 1 — May 81
Fri 5/1
Fri 5/8
1 adult, Economy
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Cheapflights Tip: The best prices from Kona Intl to Seattle/Tacoma Intl are usually found in February or September, booked 70 days in advance, depart on a Sunday or Thursday and return on a Thursday

Find flight deals from Kailua-Kona to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(Delta)

One-way from

$147
(Delta)

Popular in

June

Cheapest in

February

Average price

$518

Good round-trip deal

$560 or less

Good one-way deal

$311 or less
Provider with most accurate pricing for Kona Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Kona Intl-Seattle/Tacoma Intl flights.
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From Kona Intl to Seattle/Tacoma Intl
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One-way flight from Kona Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 18% potential increase in price ($107 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in April 2026
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Price to beat on a round-trip flight from Kona Intl to Seattle/Tacoma Intl.
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Price to beat on a one-way flight from Kona Intl to Seattle/Tacoma Intl.
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Compare providers for flights from Kailua-Kona to Seattle

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kailua-Kona to Seattle in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kailua-Kona-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kailua-Kona-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kailua-Kona to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Kailua-Kona with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kailua-Kona to Seattle

How far ahead should I book a flight from Kailua-Kona to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Kailua-Kona to Seattle. Price data was last updated on March 13, 2026.

The price you pay for your flight from Kailua-Kona to Seattle may vary depending on when you book. For the best chance of a lower fare, look to book 70 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Kailua-Kona to Seattle?

Currently, November is the cheapest month in which you can book a flight from Kailua-Kona to Seattle (average of $239). Flying from Kailua-Kona to Seattle in June is currently the most expensive (average of $542). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KOA to SEA?

Find hourly flight availability from Kailua-Kona to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 1, 2026.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 38% on flights from Kailua-Kona to Seattle by exploring options for tickets in the evening.

What is the cheapest day to fly from Kailua-Kona to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Kailua-Kona to Seattle. Price data was last updated on March 28, 2026.

Travelers seeking maximum savings on their Kailua-Kona to Seattle flight should consider departing on Saturday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Kailua-Kona to Seattle?

The best insider tips for Kailua-Kona to Seattle flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Seattle trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on KOA and SEA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated April 1, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian Airlines from Kailua-Kona to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,148 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,148 reviews
Alaska Airlines
7.9
Good
12,148 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,365 reviews
Alaska Airlines
7.9
Good
12,148 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Hawaiian Airlines
7.8
Good
2,838 reviews
Alaska Airlines
7.9
Good
12,148 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,533 reviews
Alaska Airlines
7.9
Good
12,148 reviews

Overall

7.9

Boarding

8.1

Crew

8.5

Food

7.0

Entertainment

7.0

Comfort

7.8

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Kailua-Kona to Seattle?

    You will need to book a flight from Kona Intl to Seattle/Tacoma Intl if you want to fly from Kailua-Kona to Seattle. At least 4 different airlines have flights from Kona Intl (KOA) to Seattle/Tacoma Intl (SEA) on a regular basis. There are 9 flights to Seattle from the Kailua-Kona airport per day. If you manage to book one that is nonstop, then you can expect the flight time from KOA to SEA to be around 5h 51m.

  • How popular is this Kailua-Kona to Seattle flight route?

    This flight path from Kona Intl to Seattle/Tacoma Intl was viewed by 13 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Kailua-Kona to Seattle?

    For as low as $357, United Airlines can have you in Seattle from Kailua-Kona in 5h 58m. Kailua-Kona and Seattle are separated by a distance of 2687 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Kailua-Kona to Seattle round-trip?

    Currently priced at $255, United Airlines will fly you from Kailua-Kona to Seattle and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and Alaska Airlines - these airlines can fly you to your destination from $257 and $307, respectively. United Airlines is 47% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Kailua-Kona to Seattle one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $134. However, be on the lookout for offers from Southwest and American Airlines, as they are both options that can get you from Kailua-Kona to Seattle for a low price.

  • What are the most reliable airlines from Kailua-Kona to Seattle?

    Consider Qatar Airways (96%), Alaska Airlines (93%) or British Airways (88%) when booking your flight. These represent the most reliable airlines when flying from Kailua-Kona to Seattle.

  • What are the cheapest flights from Kailua-Kona to Seattle?

    On average you can expect to pay $1,197 for a flight from Kailua-Kona to Seattle. The cheapest flight overall is $227 while the most popular route, (Kona Intl - Seattle/Tacoma Intl) is currently priced at $274.

  • Can I find deals for flights from Kailua-Kona to Seattle that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Seattle.

  • Can I find deals for business class flights from Kailua-Kona to Seattle?

    Yes. Cheapflights offers flight deals from Kailua-Kona to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kailua-Kona to Seattle?

    Currently, November is the cheapest month in which you can book a flight from Kailua-Kona to Seattle (average of $239). Flying from Kailua-Kona to Seattle in June is currently the most expensive (average of $542). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
Aberdeen

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Top 4 airlines flying from Kailua-Kona to Seattle

Discover the top 4 airlines that operate flights from Kailua-Kona to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$255Average$436FlexibilityNo cancel feeOn-time69%
DeltaCheapest$257Average$440FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$307Average$548FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$357Average$497FlexibilityNo cancel feeOn-time85%

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