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$158+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 October, booked 62 days in advance, depart on a Thursday or Wednesday 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 June 12, 2025.

Round-trip from

$296
(Delta)

One-way from

$158
(American Airlines)

Popular in

December

Cheapest in

September

Average price

$587

Good round-trip deal

$405 or less

Good one-way deal

$279 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. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:47 pmKOA - SEA
Nonstop5h 53mDelta
Thu 9/182:20 pmSEA - KOA
Nonstop6h 24mDelta
Deal found 6/10$296
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/178:00 amKOA - SEA
Nonstop5h 54mAlaska Airlines
Mon 7/216:59 pmSEA - KOA
Nonstop6h 05mAlaska Airlines
Deal found 6/9$299
This American Airlines deal was found by Cheapflights users on 6/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:55 pmKOA - SEA
1 stop9h 31mAmerican Airlines
Fri 9/196:11 amSEA - KOA
1 stop11h 14mAmerican Airlines
Deal found 6/10$347
This Southwest deal was found by Cheapflights users on 6/12. 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.
Fri 8/229:15 amKOA - SEA
2 stops12h 00mSouthwest
Mon 8/256:00 amSEA - KOA
1 stop10h 05mSouthwest
Deal found 6/12$381
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/139:30 pmKOA - SEA
Nonstop5h 49mHawaiian Airlines
Wed 8/208:00 amSEA - KOA
Nonstop6h 16mHawaiian Airlines
Deal found 6/11$398
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 9/291:40 pmKOA - SEA
1 stop8h 19mUnited Airlines
Wed 10/11:00 pmSEA - KOA
2 stops25h 50mUnited Airlines
Deal found 6/11$487

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 June 12, 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

Mon 9/8

9:47 pm-6:40 am

Nonstop5h 53m

Seattle/Tacoma Intl

Thu 9/18

2:20 pm-5:44 pm

Nonstop6h 24m

$296

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Thu 7/17

8:00 am-4:54 pm

Nonstop5h 54m

Seattle/Tacoma Intl

Mon 7/21

6:59 pm-10:04 pm

Nonstop6h 05m

$299

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Mon 9/8

9:55 pm-10:26 am

1 stop9h 31m

Seattle/Tacoma Intl

Fri 9/19

6:11 am-2:25 pm

1 stop11h 14m

$347

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Fri 8/22

9:15 am-12:15 am

2 stops12h 00m

Seattle/Tacoma Intl

Mon 8/25

6:00 am-1:05 pm

1 stop10h 05m

$381

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Wed 8/13

9:30 pm-6:19 am

Nonstop5h 49m

Seattle/Tacoma Intl

Wed 8/20

8:00 am-11:16 am

Nonstop6h 16m

$398

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Mon 9/29

1:40 pm-12:59 am

1 stop8h 19m

Seattle/Tacoma Intl

Wed 10/1

1:00 pm-11:50 am

2 stops25h 50m

$487

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 9/9

9:55 pm-10:26 am

1 stop9h 31m

$158

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 9/9

9:47 pm-6:40 am

Nonstop5h 53m

$179

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Wed 9/10

7:00 am-7:20 pm

1 stop9h 20m

$184

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Sun 10/5

9:00 pm-8:13 am

1 stop8h 13m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 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 June 9, 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 July is currently the most expensive (average of $391). 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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Kailua-Kona to Seattle by exploring options for tickets at noon.

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 June 8, 2025.

Travelers seeking maximum savings on their Kailua-Kona to Seattle flight should consider departing on Sunday at noon 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 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 June 12, 2025.

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

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Kailua-Kona to Seattle have to say. 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

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 7 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 49m.

  • 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.

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

    Currently priced at $296, Delta will fly you from Kailua-Kona to Seattle and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and American Airlines - these airlines can fly you to your destination from $299 and $347, respectively. Delta is 36% 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 American Airlines, with whom users have recently found tickets for as low as $158. However, be on the lookout for offers from Delta and Hawaiian 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 (92%), Delta (92%) or Virgin Atlantic (92%) 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 $1,072 for a flight from Kailua-Kona to Seattle. The cheapest flight overall is $208 while the most popular route, (Kona Intl - Seattle/Tacoma Intl) is currently priced at $350.

  • 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 July is currently the most expensive (average of $391). 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 Kailua-Kona?

Book flights to Kailua-Kona if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$413FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$271Average$499FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$276Average$570FlexibilityNo cancel feeOn-time85%
DeltaCheapest$276Average$470FlexibilityNo cancel feeOn-timeN/A

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