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$129+ 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
Nov 13 — Nov 201
Thu 11/13
Thu 11/20
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 70 days in advance, depart on a Sunday or Tuesday and return on a Monday

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 October 14, 2025.

This Delta deal was found by Cheapflights users on 10/14. 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.
Wed 11/268:30 pmKOA - SEA
Nonstop5h 52mDelta
Sun 11/302:00 pmSEA - KOA
Nonstop6h 13mDelta
Deal found 10/14$258
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:00 amKOA - SEA
1 stop9h 15mSouthwest
Tue 12/96:15 amSEA - KOA
1 stop8h 30mSouthwest
Deal found 10/12$278
This Delta deal was found by Cheapflights users on 10/12. 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.
Sat 12/68:43 pmKOA - SEA
Nonstop5h 48mDelta
Tue 12/97:10 amSEA - KOA
1 stop14h 20mDelta
Deal found 10/12$307
This Delta deal was found by Cheapflights users on 10/12. 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 11/109:30 pmKOA - SEA
1 stop13h 09mDelta
Mon 12/152:00 pmSEA - KOA
Nonstop6h 20mDelta
Deal found 10/12$327
This Alaska Airlines deal was found by Cheapflights users on 10/13. 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.
Fri 11/2111:25 pmKOA - SEA
Nonstop5h 55mAlaska Airlines
Fri 11/288:56 amSEA - KOA
1 stop7h 39mAlaska Airlines
Deal found 10/13$348
This Delta deal was found by Cheapflights users on 10/13. 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.
Wed 11/128:30 pmKOA - SEA
Nonstop5h 52mDelta
Wed 11/198:35 amSEA - KOA
1 stop11h 50mDelta
Deal found 10/13$363
This Southwest deal was found by Cheapflights users on 10/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/69:00 amKOA - SEA
1 stop9h 15mSouthwest
Mon 12/89:25 amSEA - KOA
2 stops10h 45mSouthwest
Deal found 10/12$383

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 October 14, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$258
(Delta)

One-way from

$129
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$472

Good round-trip deal

$526 or less

Good one-way deal

$203 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
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 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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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 October 14, 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

Wed 11/26

8:30 pm-4:22 am

Nonstop5h 52m

Seattle/Tacoma Intl

Sun 11/30

2:00 pm-6:13 pm

Nonstop6h 13m

$258

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Sat 12/6

9:00 am-8:15 pm

1 stop9h 15m

Seattle/Tacoma Intl

Tue 12/9

6:15 am-12:45 pm

1 stop8h 30m

$278

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Sat 12/6

8:43 pm-4:31 am

Nonstop5h 48m

Seattle/Tacoma Intl

Tue 12/9

7:10 am-7:30 pm

1 stop14h 20m

$307

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Mon 11/10

9:30 pm-12:39 pm

1 stop13h 09m

Seattle/Tacoma Intl

Mon 12/15

2:00 pm-6:20 pm

Nonstop6h 20m

$327

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Sat 12/6

8:43 pm-4:31 am

Nonstop5h 48m

Seattle/Tacoma Intl

Mon 12/8

2:00 pm-6:20 pm

Nonstop6h 20m

$328

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Fri 11/21

11:25 pm-7:20 am

Nonstop5h 55m

Seattle/Tacoma Intl

Fri 11/28

8:56 am-2:35 pm

1 stop7h 39m

$348

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Sat 1/10

1:43 pm-11:31 pm

1 stop7h 48m

Seattle/Tacoma Intl

Thu 1/15

3:40 pm-9:30 pm

1 stop7h 50m

$348

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Sat 1/10

8:45 pm-4:45 am

Nonstop6h 00m

Seattle/Tacoma Intl

Thu 1/15

2:30 pm-6:55 pm

Nonstop6h 25m

$354

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Wed 11/12

8:30 pm-4:22 am

Nonstop5h 52m

Seattle/Tacoma Intl

Wed 11/19

8:35 am-6:25 pm

1 stop11h 50m

$363

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Sat 12/6

9:00 am-8:15 pm

1 stop9h 15m

Seattle/Tacoma Intl

Mon 12/8

9:25 am-6:10 pm

2 stops10h 45m

$383

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 20 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*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 October 10, 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 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, April 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 $494). 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 October 14, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 27% 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 October 12, 2025.

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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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

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 October 14, 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
11,082 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

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
11,082 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

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
7,977 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

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
2,779 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

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
8,977 reviews
Alaska Airlines
8.0
Very good
11,082 reviews

Food

7.1

Crew

8.5

Comfort

7.8

Entertainment

7.0

Boarding

8.1

Overall

8.0

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 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 48m.

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

    This flight path from Kona Intl to Seattle/Tacoma Intl was viewed by 11 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 $258, Delta can have you in Seattle from Kailua-Kona in 5h 52m. 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 $327 and $337, respectively. United Airlines is 51% cheaper than the average price of flights available within the next 90 days to this destination.

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

    Consider KLM (98%), Delta (98%) or Virgin Atlantic (98%) 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 $1,132 for a flight from Kailua-Kona to Seattle. The cheapest flight overall is $179 while the most popular route, (Kona Intl - Seattle/Tacoma Intl) is currently priced at $278.

  • 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, April 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 $494). 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
Tukwila
Tacoma
Lakewood
Ocean Shores
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Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
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Aberdeen
Shoreline

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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 October 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$255Average$474FlexibilityNo cancel feeOn-time69%
DeltaCheapest$327Average$499FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$337Average$574FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$357Average$577FlexibilityNo cancel feeOn-time85%

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