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Kailua-Kona

$116+ Cheap flights from Seattle to Kailua-Kona (SEA - KOA)

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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KOA
Oct 26 — Nov 21
Sun 10/26
Sun 11/2
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kona Intl are usually found in January or October, booked 23 days in advance, depart on a Monday or Wednesday and return on a Sunday

Cheap flight deals from Seattle to Kailua-Kona

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Kailua-Kona (KOA). 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 September 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$298
(Alaska Airlines)

One-way from

$116
(Southwest)

Popular in

December

Cheapest in

January

Average price

$475

Good round-trip deal

$356 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kona Intl flights.
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From Seattle/Tacoma Intl to Kona Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Kona Intl
Search Deals
High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Kona Intl.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Kona Intl.
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Find flight deals from Seattle to Kailua-Kona

Cheapest flights from Seattle to Kailua-Kona
Explore the most affordable flight options available from Seattle to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 26, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
Wed 10/226:35 pmSEA - KOA
Nonstop6h 05mAlaska Airlines
Wed 10/292:43 pmKOA - SEA
1 stop16h 51mAlaska Airlines
Deal found 9/25$298
This Delta deal was found by Cheapflights users on 9/25. 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 11/310:10 amSEA - KOA
1 stop11h 43mDelta
Fri 11/79:30 pmKOA - SEA
Nonstop6h 02mDelta
Deal found 9/25$299
This Delta deal was found by Cheapflights users on 9/25. 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 11/37:25 amSEA - KOA
2 stops14h 28mDelta
Mon 11/108:30 pmKOA - SEA
Nonstop5h 52mDelta
Deal found 9/25$300
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
Sat 11/16:30 pmSEA - KOA
1 stop15h 49mAlaska Airlines
Wed 11/129:20 pmKOA - SEA
Nonstop5h 57mAlaska Airlines
Deal found 9/25$302
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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.
Wed 11/53:55 pmSEA - KOA
1 stop7h 45mAlaska Airlines
Thu 11/137:47 pmKOA - SEA
1 stop7h 48mAlaska Airlines
Deal found 9/24$303
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
Wed 11/196:30 pmSEA - KOA
1 stop13h 58mAlaska Airlines
Wed 11/2610:05 pmKOA - SEA
Nonstop5h 55mAlaska Airlines
Deal found 9/25$304
This Alaska Airlines deal was found by Cheapflights users on 9/24. 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 10/2410:45 amSEA - KOA
Nonstop6h 09mAlaska Airlines
Thu 10/305:10 pmKOA - SEA
1 stop10h 24mAlaska Airlines
Deal found 9/24$305
This Delta deal was found by Cheapflights users on 9/25. 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.
Sun 11/210:10 amSEA - KOA
1 stop11h 43mDelta
Tue 11/118:30 pmKOA - SEA
Nonstop5h 52mDelta
Deal found 9/25$306
This United Airlines deal was found by Cheapflights users on 9/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/25:30 amSEA - KOA
1 stop9h 36mUnited Airlines
Sun 11/92:40 pmKOA - SEA
1 stop8h 19mUnited Airlines
Deal found 9/23$307
This Orbitz deal was found by Cheapflights users on 9/24. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:30 pmSEA - KOA
1 stop16h 57mAlaska Airlines
Mon 10/209:00 pmKOA - SEA
1 stop8h 13mAlaska Airlines
Deal found 9/24$308
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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 10/2312:50 pmSEA - KOA
Nonstop6h 07mAlaska Airlines
Thu 10/307:13 pmKOA - SEA
1 stop9h 49mAlaska Airlines
Deal found 9/25$309
This Alaska Airlines deal was found by Cheapflights users on 9/25. 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.
Sun 11/25:26 pmSEA - KOA
Nonstop6h 14mAlaska Airlines
Tue 11/119:20 pmKOA - SEA
Nonstop5h 57mAlaska Airlines
Deal found 9/25$310

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Kailua-Kona 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 September 26, 2025.
Use the filters below to find and compare flights from Seattle to Kailua-Kona that are best for you.

Fly from

Seattle

Fly to

Kailua-Kona

Route

Depart

Return

Price

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Mon 12/1

2:40 pm-9:32 pm

1 stop8h 52m

Kona Intl

Sun 12/7

9:10 pm-5:05 am

Nonstop5h 55m

$305

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Sat 1/3

3:25 pm-7:42 pm

Nonstop6h 17m

Kona Intl

Mon 1/12

9:45 pm-10:01 am

1 stop10h 16m

$306

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Thu 1/8

6:15 pm-10:35 pm

Nonstop6h 20m

Kona Intl

Sat 1/17

1:00 pm-8:02 pm

1 stop29h 02m

$316

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Sat 1/17

6:15 pm-10:35 pm

Nonstop6h 20m

Kona Intl

Fri 1/23

7:55 pm-5:15 am

1 stop7h 20m

$323

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Sun 2/8

6:15 pm-10:35 pm

Nonstop6h 20m

Kona Intl

Sat 2/28

7:13 pm-7:39 am

1 stop10h 26m

$323

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Fri 1/16

5:55 pm-12:29 pm

1 stop20h 34m

Kona Intl

Sun 1/25

10:00 pm-5:54 am

Nonstop5h 54m

$323

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Fri 11/7

2:20 pm-6:30 pm

Nonstop6h 10m

Kona Intl

Tue 11/11

8:30 pm-4:22 am

Nonstop5h 52m

$328

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Thu 1/8

9:30 am-6:00 pm

1 stop10h 30m

Kona Intl

Sat 1/17

9:45 pm-10:01 am

1 stop10h 16m

$331

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Tue 11/4

7:25 am-7:53 pm

2 stops14h 28m

Kona Intl

Fri 11/7

9:30 pm-10:03 am

1 stop10h 33m

$334

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Sat 11/8

6:59 pm-12:54 pm

1 stop19h 55m

Kona Intl

Thu 11/13

7:47 pm-7:40 am

1 stop9h 53m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/23

Showing 1-10 of 22 results
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Compare providers for flights from Seattle to Kailua-Kona

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 Seattle to Kailua-Kona in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice 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 Seattle-Kailua-Kona flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Kailua-Kona flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Kailua-Kona flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Kailua-Kona 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 Seattle-Kailua-Kona flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Seattle to Kailua-Kona 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 Seattle to Kailua-Kona trip
Airports
SEA

Use SEA Spot Saver to book security screening appointments in advance, reducing wait times without needing TSA PreCheck or CLEAR.

Read more about SEAby Brandon Schultz
KOA

For transportation from KOA, arrange a hotel transfer or rent a car. Rideshares are less reliable, especially at night.

Read more about KOAby 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 Seattle to Kailua-Kona

Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Seattle 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 Seattle to Kailua-Kona

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

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Kailua-Kona. Price data was last updated on September 19, 2025.

The best time to book flights from Seattle to Kailua-Kona is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from Seattle to Kailua-Kona (average of $409). Flying from Seattle to Kailua-Kona in June is currently the most expensive (average of $624). 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 SEA to KOA?

Find hourly flight availability from Seattle to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 26, 2025.

It’s typically best to fly out from Seattle to Kailua-Kona in the evening. Doing so could potentially save you 37% on the flight price compared to flying in the morning, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Seattle to Kailua-Kona. Price data was last updated on September 21, 2025.

Travelers seeking maximum savings on their Seattle to Kailua-Kona flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday at noon 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 Seattle to Kailua-Kona?

Reviews of airlines servicing Kailua-Kona

Get insights into the airlines that provide service to Kailua-Kona. 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 Kailua-Kona. Reviews last updated September 26, 2025.
Read through reviews of airlines operating flights from Seattle to Kailua-Kona, such as Alaska Airlines, Southwest, and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
8.0
Very good
7,973 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,750 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Boarding

8.1

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Kailua-Kona. 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 Seattle to Kailua-Kona?

    To fly from Seattle to Kailua-Kona, you need to book a flight from Seattle/Tacoma Intl (SEA) to Kona Intl (KOA). Nonstop flights to Kona Intl from Seattle/Tacoma Intl take 6h 05m on average. When it comes time to book airfare, you have a few options: there are 10 outbound flights from Seattle/Tacoma Intl to Kona Intl offered by 6 different airlines.

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

    Flights from Seattle/Tacoma Intl to Kona Intl have been viewed 10 times in the past calendar month.

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

    There are many flights that can get you from Seattle to Kailua-Kona in 6h 17m. Fly via Alaska Airlines or Delta to get the fastest option. The distance from Seattle to Kailua-Kona is about 2687 mi. This flight may include one or multiple stops.

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

    Our cheapest airline available from Seattle to Kailua-Kona is United Airlines. Our recent data shows that you can find tickets from as low as $175 on this airline. Additional options worth looking into are American Airlines and Southwest, starting at $214 and $275 round-trip. United Airlines is 68% cheaper than the average price of flights available within the next 90 days to this destination.

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

    No one likes to see their flight delayed. When booking a flight from Seattle to Kailua-Kona consider choosing Air France (83%), KLM (82%) or Delta (82%) as they are the most reliable in getting you off to your destination on time.

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

    Looking at all options, your cheapest flight can be booked for $173. While the most popular route (Seattle/Tacoma Intl - Kona Intl) can be booked for $231 on average, our data indicates $866 when flying from Seattle to Kailua-Kona.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Kailua-Kona 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 Seattle to Kailua-Kona?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Kailua-Kona (average of $409). Flying from Seattle to Kailua-Kona in June is currently the most expensive (average of $624). 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

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Alternative routes for Seattle to Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Seattle to Kailua-Kona

Discover the top 6 airlines that operate flights from Seattle to Kailua-Kona. 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 September 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$175Average$419FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$214Average$437FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$275Average$525FlexibilityNo cancel feeOn-time63%
DeltaCheapest$288Average$532FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$292Average$611FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$338Average$594FlexibilityNo cancel feeOn-time75%

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