HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Kailua-Kona

$149+ 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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KOA
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to Kailua-Kona with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kona Intl are usually found in January or September, booked 32 days in advance, depart on a Wednesday or Monday and return on a Thursday

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 August 11, 2025.

Round-trip from

$314
(United Airlines)

One-way from

$154
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$478

Good round-trip deal

$369 or less

Good one-way deal

$269 or less
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, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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.
Search Deals

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 August 11, 2025.

This United Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 10/145:00 amSEA - KOA
1 stop9h 26mUnited Airlines
Tue 10/1410:00 pmKOA - SEA
1 stop11h 02mUnited Airlines
Deal found 8/10$314
This SmartFares deal was found by Cheapflights users on 8/9. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:24 pmSEA - KOA
Nonstop6h 20mAlaska Airlines
Tue 9/3011:47 amKOA - SEA
Nonstop5h 55mAlaska Airlines
Deal found 8/9$324
This United Airlines deal was found by Cheapflights users on 8/11. 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.
Tue 11/185:30 amSEA - KOA
1 stop9h 06mUnited Airlines
Sun 11/2311:55 pmKOA - SEA
1 stop11h 33mUnited Airlines
Deal found 8/11$327
This Alaska Airlines deal was found by Cheapflights users on 8/11. 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 12/48:05 amSEA - KOA
Nonstop6h 19mAlaska Airlines
Wed 12/108:00 amKOA - SEA
Nonstop5h 54mAlaska Airlines
Deal found 8/11$328
This flugladen.de deal was found by Cheapflights users on 8/11. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/17:54 amSEA - KOA
Nonstop6h 22mAlaska Airlines
Mon 9/87:11 pmKOA - SEA
1 stop7h 49mAlaska Airlines
Deal found 8/11$329
This lastminute.com deal was found by Cheapflights users on 8/9. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:55 pmSEA - KOA
1 stop8h 18mHawaiian Airlines
Tue 9/309:00 pmKOA - SEA
1 stop7h 54mHawaiian Airlines
Deal found 8/9$331
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Thu 12/45:30 amSEA - KOA
1 stop9h 06mUnited Airlines
Thu 12/112:25 pmKOA - SEA
1 stop8h 34mUnited Airlines
Deal found 8/9$335
This Delta deal was found by Cheapflights users on 8/11. 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.
Tue 9/92:20 pmSEA - KOA
Nonstop6h 14mDelta
Tue 9/169:30 pmKOA - SEA
Nonstop5h 57mDelta
Deal found 8/11$338
This Cheapflightsfares deal was found by Cheapflights users on 8/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/274:55 pmSEA - KOA
1 stop8h 18mHawaiian Airlines
Tue 9/309:00 pmKOA - SEA
1 stop7h 54mHawaiian Airlines
Deal found 8/11$339

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 August 11, 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

Tue 10/14

5:00 am-11:26 am

1 stop9h 26m

Kona Intl

Tue 10/14

10:00 pm-12:02 pm

1 stop11h 02m

$314

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Tue 9/23

1:24 pm-4:44 pm

Nonstop6h 20m

Kona Intl

Tue 9/30

11:47 am-8:42 pm

Nonstop5h 55m

$324

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Tue 11/18

5:30 am-12:36 pm

1 stop9h 06m

Kona Intl

Sun 11/23

11:55 pm-1:28 pm

1 stop11h 33m

$327

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Thu 12/4

8:05 am-12:24 pm

Nonstop6h 19m

Kona Intl

Wed 12/10

8:00 am-3:54 pm

Nonstop5h 54m

$328

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Mon 9/1

7:54 am-11:16 am

Nonstop6h 22m

Kona Intl

Mon 9/8

7:11 pm-6:00 am

1 stop7h 49m

$329

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Tue 9/23

4:55 pm-10:13 pm

1 stop8h 18m

Kona Intl

Tue 9/30

9:00 pm-7:54 am

1 stop7h 54m

$331

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Thu 12/4

5:30 am-12:36 pm

1 stop9h 06m

Kona Intl

Thu 12/11

2:25 pm-12:59 am

1 stop8h 34m

$335

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Tue 9/9

2:20 pm-5:34 pm

Nonstop6h 14m

Kona Intl

Tue 9/16

9:30 pm-6:27 am

Nonstop5h 57m

$338

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Sat 9/27

4:55 pm-10:13 pm

1 stop8h 18m

Kona Intl

Tue 9/30

9:00 pm-7:54 am

1 stop7h 54m

$339

SeattleKailua-Kona

SEA - KOA

SEAKOA

Seattle/Tacoma Intl

Tue 11/18

5:30 am-12:36 pm

1 stop9h 06m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/10

Showing 1-10 of 20 results
1
2

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 August 8, 2025.

The best time to book flights from Seattle to Kailua-Kona is 32 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 August 11, 2025.

It’s typically best to fly out from Seattle to Kailua-Kona in the evening. Doing so could potentially save you 36% 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 August 10, 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.

Weekly flight availability from Seattle to Kailua-Kona

Explore weekly flight availability from Seattle to Kailua-Kona. 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 11, 2025.

The most flights from SEA to KOA are scheduled on a Saturday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 on average).

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 August 11, 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

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,979 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,640 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,920 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 12 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 9 times in the past calendar month.

  • 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 $314 on this airline. An additional option worth looking into is Alaska Airlines, starting at $324. United Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $149. Users have also found prices from $154 and $189 on American Airlines and Delta, respectively.

  • 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 KLM (87%), Delta (87%) or Virgin Atlantic (87%) 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 $199. While the most popular route (Seattle/Tacoma Intl - Kona Intl) can be booked for $297 on average our data indicates $905 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Seattle to Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Honolulu flights
Seattle to Kahului flights
Portland to Honolulu flights
Seattle to Lihue flights
Portland to Kahului flights
Portland to Kailua-Kona flights
Portland to Lihue flights
Spokane to Honolulu flights
Seattle to Hilo flights
Spokane to Kahului flights
Spokane to Kailua-Kona flights
Portland to Hilo flights
Pasco to Kahului flights
Pasco to Kailua-Kona flights
Spokane to Lihue flights
Pasco to Honolulu flights
Pasco to Lihue flights
Yakima to Honolulu flights
Walla Walla to Lihue flights
Bellingham to Honolulu flights
Bellingham to Kahului flights
Bellingham to Lihue flights
Seattle to Kapalua flights
Spokane to Hilo flights
Pullman to Kahului flights
Pullman to Honolulu flights
Seattle to Hana flights
Seattle to Lanai City flights
Walla Walla to Honolulu flights
Walla Walla to Kahului flights
Bellingham to Kailua-Kona flights
Portland to Hoolehua flights
Spokane to Kapalua flights
Wenatchee to Kahului flights
Bellingham to Kapalua flights
Portland to Waimea (Big Island) flights
Seattle to Waimea (Big Island) flights
Portland to Kapalua flights
Portland to Hana flights
Seattle to Hoolehua flights
Yakima to Lihue flights
Pullman to Kailua-Kona flights
Pullman to Kapalua flights
Pasco to Kapalua flights
Portland to Lanai City flights
Spokane to Hana flights
Wenatchee to Lihue flights

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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$175Average$394FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$214Average$442FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$250Average$612FlexibilityNo cancel feeOn-time85%
DeltaCheapest$270Average$510FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$275Average$534FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$303Average$577FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.