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$149+ Cheap flights from Kailua-Kona to Seattle (KOA - SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — SEA
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheapflights Tip: The best prices from Kona Intl to Seattle/Tacoma Intl are usually found in September or January, booked 62 days in advance, depart on a Wednesday or Thursday and return on a Wednesday

Cheap 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 August 18, 2025.

Round-trip from

$298
(Delta)

One-way from

$149
(Delta)

Popular in

December

Cheapest in

September

Average price

$478

Good round-trip deal

$357 or less

Good one-way deal

$247 or less
From Kona Intl to Seattle/Tacoma Intl
Search Deals
One-way flight from Kona Intl to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 2% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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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Find flight deals from Kailua-Kona to Seattle

Cheapest flights from Kailua-Kona to Seattle
Explore the most affordable flight options available from Kailua-Kona to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:30 pmKOA - SEA
Nonstop5h 57mDelta
Mon 10/62:20 pmSEA - KOA
Nonstop6h 10mDelta
Deal found 8/17$298
This Aunt Betty deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:32 pmKOA - SEA
Nonstop5h 49mHawaiian Airlines
Mon 9/226:58 pmSEA - KOA
Nonstop6h 11mHawaiian Airlines
Deal found 8/15$312
This Aunt Betty deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1511:23 amKOA - SEA
1 stop8h 52mAlaska Airlines
Mon 9/226:58 pmSEA - KOA
Nonstop6h 11mAlaska Airlines
Deal found 8/15$314
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/159:30 pmKOA - SEA
Nonstop5h 57mDelta
Mon 9/222:20 pmSEA - KOA
Nonstop6h 09mDelta
Deal found 8/17$318
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:20 pmKOA - SEA
Nonstop5h 54mHawaiian Airlines
Sun 10/126:35 pmSEA - KOA
Nonstop6h 05mHawaiian Airlines
Deal found 8/18$328
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:10 amKOA - SEA
1 stop8h 45mAlaska Airlines
Mon 10/66:24 pmSEA - KOA
1 stop20h 18mAlaska Airlines
Deal found 8/17$329
This Alaska Airlines deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:20 pmKOA - SEA
Nonstop5h 54mAlaska Airlines
Sun 10/129:45 pmSEA - KOA
1 stop14h 37mAlaska Airlines
Deal found 8/18$338
This Delta deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:30 pmKOA - SEA
1 stop10h 33mDelta
Sun 11/99:30 amSEA - KOA
1 stop10h 20mDelta
Deal found 8/18$347
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/129:30 pmKOA - SEA
Nonstop5h 57mDelta
Wed 9/172:20 pmSEA - KOA
Nonstop6h 09mDelta
Deal found 8/17$348
This Alaska Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/29:20 pmKOA - SEA
Nonstop5h 49mAlaska Airlines
Tue 10/712:38 pmSEA - KOA
1 stop23h 49mAlaska Airlines
Deal found 8/17$351

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Seattle that are best for you.

Fly from

Kailua-Kona

Fly to

Seattle

Route

Depart

Return

Price

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Thu 10/2

9:30 pm-6:27 am

Nonstop5h 57m

Seattle/Tacoma Intl

Mon 10/6

2:20 pm-5:30 pm

Nonstop6h 10m

$298

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Mon 9/15

9:32 pm-6:21 am

Nonstop5h 49m

Seattle/Tacoma Intl

Mon 9/22

6:58 pm-10:09 pm

Nonstop6h 11m

$312

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Mon 9/15

11:23 am-11:15 pm

1 stop8h 52m

Seattle/Tacoma Intl

Mon 9/22

6:58 pm-10:09 pm

Nonstop6h 11m

$314

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Thu 9/18

9:30 pm-6:27 am

Nonstop5h 57m

Seattle/Tacoma Intl

Mon 9/22

2:20 pm-5:29 pm

Nonstop6h 09m

$318

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Wed 9/17

9:30 pm-6:27 am

Nonstop5h 57m

Seattle/Tacoma Intl

Mon 9/22

2:20 pm-5:29 pm

Nonstop6h 09m

$318

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 9/16

9:30 pm-6:27 am

Nonstop5h 57m

Seattle/Tacoma Intl

Mon 9/22

2:20 pm-5:29 pm

Nonstop6h 09m

$318

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Mon 9/15

9:30 pm-6:27 am

Nonstop5h 57m

Seattle/Tacoma Intl

Mon 9/22

2:20 pm-5:29 pm

Nonstop6h 09m

$318

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Wed 9/17

8:10 am-7:55 pm

1 stop8h 45m

Seattle/Tacoma Intl

Mon 9/22

7:54 am-11:16 am

Nonstop6h 22m

$323

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Thu 9/18

7:11 pm-7:54 am

1 stop9h 43m

Seattle/Tacoma Intl

Mon 9/22

7:54 am-11:16 am

Nonstop6h 22m

$323

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 9/16

8:00 am-4:52 pm

Nonstop5h 52m

Seattle/Tacoma Intl

Mon 9/22

10:13 am-3:51 pm

1 stop8h 38m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/15

Showing 1-10 of 22 results
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The best insider tips for Kailua-Kona to Seattle flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Seattle trip
Airports
KOA

Security lines at KOA are rarely a concern. Arrive early for the slower agriculture inspection for mainland flights.

Read more about KOAby Brandon Schultz
SEA

Take the Link light rail from SEA to downtown Seattle. It's inexpensive, runs every 10 minutes, and takes less than 40 minutes.

Read more about SEAby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on KOA and SEA

Brandon Schultz

Brandon Schultz

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

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 August 8, 2025.

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 62 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, January is the cheapest month in which you can book a flight from Kailua-Kona to Seattle (average of $238). Flying from Kailua-Kona to Seattle in June is currently the most expensive (average of $388). 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 August 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 21% on flights from Kailua-Kona to Seattle by exploring options for tickets in the afternoon.

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 August 17, 2025.

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

Weekly flight availability from Kailua-Kona to Seattle

Explore weekly flight availability from Kailua-Kona to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated August 18, 2025.

The most flights from KOA to SEA are scheduled on a Monday (13 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

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 August 18, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian 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
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,665 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
United Airlines
7.4
Good
8,925 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Entertainment

7.0

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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 8 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 48m.

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

    This flight path from Kona Intl to Seattle/Tacoma Intl was viewed by 12 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 $312, Delta can have you in Seattle from Kailua-Kona in 5h 49m. 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 $221, 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 Hawaiian Airlines and Delta - these airlines can fly you to your destination from $288 and $297, respectively. United Airlines is 56% 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 Alaska Airlines, with whom users have recently found tickets for as low as $149. However, be on the lookout for offers from Delta and United 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 KLM (95%), Delta (95%) or Virgin Atlantic (95%) 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 $992 for a flight from Kailua-Kona to Seattle. The cheapest flight overall is $182 while the most popular route, (Kona Intl - Seattle/Tacoma Intl) is currently priced at $298.

  • 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, January is the cheapest month in which you can book a flight from Kailua-Kona to Seattle (average of $238). Flying from Kailua-Kona to Seattle in June is currently the most expensive (average of $388). 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
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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$221Average$421FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$288Average$589FlexibilityNo cancel feeOn-time85%
DeltaCheapest$297Average$478FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$308Average$543FlexibilityNo cancel feeOn-time75%

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