$140+ Cheap flights from Kailua-Kona to Seattle (KOA - SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — SEA
Oct 11 — Oct 181
Round-trip
1 adult, Economy
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Find cheap flights from Kailua-Kona to Seattle 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 Kona Intl to Seattle/Tacoma Intl are usually found in January or November, booked 52 days in advance, depart on a Sunday or Thursday and return on a Tuesday
Cheap flight deals from Kailua-Kona to Seattle
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kailua-Kona to SeattleExplore 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 September 11, 2026.
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 September 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/110:25 pm -
Nonstop5h 55m
Sat 10/245:50 pm -
Nonstop6h 15m
Deal found 9/7![Alaska Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 9/7. 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 10/18:55 pm -
Nonstop5h 56m
Wed 10/2112:30 pm -
1 stop9h 56m
Deal found 9/7![Delta logo]()
$270
This Delta deal was found by Cheapflights users on 9/7. 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 10/110:10 pm -
1 stop8h 45m
Thu 10/2212:30 pm -
1 stop9h 56m
Deal found 9/7![Delta logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/512:51 pm -
1 stop14h 24m
Mon 10/195:50 pm -
Nonstop6h 15m
Deal found 9/7![Multiple Airlines logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 11/510:55 pm -
Nonstop5h 55m
Mon 11/96:20 pm -
1 stop23h 59m
Deal found 9/6![Multiple Airlines logo]()
$314
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/229:20 am -
1 stop17h 40m
Sun 1/36:12 pm -
Nonstop6h 33m
Deal found 9/8![Multiple Airlines logo]()
$316
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/219:29 pm -
Nonstop5h 50m
Sun 1/36:32 pm -
1 stop18h 38m
Deal found 9/8![Multiple Airlines logo]()
$325
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/18:00 am -
1 stop10h 40m
Sat 10/245:50 pm -
Nonstop6h 15m
Deal found 9/7![Multiple Airlines logo]()
$339
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 pm -
1 stop30h 20m
Tue 10/275:50 pm -
Nonstop6h 15m
Deal found 9/7![Multiple Airlines logo]()
$344
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/410:21 pm -
Nonstop5h 59m
Mon 10/191:59 pm -
2 stops10h 50m
Deal found 9/7![Multiple Airlines logo]()
$358
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:51 pm -
1 stop14h 24m
Sun 10/186:59 pm -
1 stop24h 17m
Deal found 9/6![Multiple Airlines logo]()
$363
Best flights from Kailua-Kona to SeattleDiscover carefully curated flight deals from Kailua-Kona to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
Discover carefully curated flight deals from Kailua-Kona to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/5. 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 11/510:55 pm -
Nonstop5h 55m
Mon 11/96:59 pm -
Nonstop6h 16m
Deal found 9/5![Alaska Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 9/7. 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 10/89:06 pm -
Nonstop6h 01m
Thu 10/1512:30 pm -
1 stop9h 56m
Deal found 9/7![Delta logo]()
$270
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/208:35 pm -
2 stops14h 00m
Sun 10/256:15 am -
2 stops14h 55m
Deal found 9/10![Southwest logo]()
$492
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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.
Wed 10/71:49 pm -
1 stop15h 18m
Wed 10/147:08 pm -
1 stop18h 51m
Deal found 9/9![Multiple Airlines logo]()
$495
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 10/710:21 pm -
Nonstop5h 59m
Wed 10/148:45 pm -
1 stop17h 14m
Deal found 9/8![Alaska Airlines logo]()
$388
This Delta deal was found by Cheapflights users on 9/6. 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 10/710:02 pm -
1 stop8h 58m
Wed 10/1412:30 pm -
1 stop9h 56m
Deal found 9/6![Delta logo]()
$411
Last-minute flights from Kailua-Kona to SeattleDiscover last-minute flight deals from Kailua-Kona to Seattle. Data last updated September 11, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to Seattle. Data last updated September 11, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/110:25 pm -
Nonstop5h 55m
Sat 10/245:50 pm -
Nonstop6h 15m
Deal found 9/7![Alaska Airlines logo]()
$261
This Delta deal was found by Cheapflights users on 9/7. 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 10/18:55 pm -
Nonstop5h 56m
Wed 10/2112:30 pm -
1 stop9h 56m
Deal found 9/7![Delta logo]()
$270
This Delta deal was found by Cheapflights users on 9/7. 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 10/110:10 pm -
1 stop8h 45m
Thu 10/2212:30 pm -
1 stop9h 56m
Deal found 9/7![Delta logo]()
$280
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/18:00 am -
1 stop10h 40m
Sat 10/245:50 pm -
Nonstop6h 15m
Deal found 9/7![Multiple Airlines logo]()
$339
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/410:21 pm -
Nonstop5h 59m
Mon 10/191:59 pm -
2 stops10h 50m
Deal found 9/7![Multiple Airlines logo]()
$358
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/512:51 pm -
1 stop14h 24m
Mon 10/195:50 pm -
Nonstop6h 15m
Deal found 9/7![Multiple Airlines logo]()
$310
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/510:21 pm -
Nonstop5h 59m
Tue 10/205:50 pm -
Nonstop6h 15m
Deal found 9/7![Alaska Airlines logo]()
$371
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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.
Mon 10/512:51 pm -
1 stop8h 08m
Sun 10/2511:22 am -
1 stop9h 31m
Deal found 9/7![Multiple Airlines logo]()
$384
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1512:51 pm -
1 stop14h 24m
Sun 10/186:59 pm -
1 stop24h 17m
Deal found 9/6![Multiple Airlines logo]()
$363
This Expedia deal was found by Cheapflights users on 9/6. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1510:21 pm -
Nonstop5h 59m
Sun 10/185:50 pm -
Nonstop6h 15m
Deal found 9/6![Alaska Airlines logo]()
$379
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/248:45 pm -
1 stop30h 20m
Tue 10/275:50 pm -
Nonstop6h 15m
Deal found 9/7![Multiple Airlines logo]()
$344
One-way flights from Kailua-Kona to SeattleSearch for one-way flight options from Kailua-Kona to Seattle. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
Search for one-way flight options from Kailua-Kona to Seattle. Find affordable one-way fares based on user searches. Data last updated September 11, 2026.
This Southwest deal was found by Cheapflights users on 9/5. 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.
Thu 11/59:30 pm -
1 stop12h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Southwest logo]()
$140
This Southwest deal was found by Cheapflights users on 9/7. 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 11/67:05 pm -
2 stops13h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$146
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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 10/710:21 pm -
Nonstop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$151
This Delta deal was found by Cheapflights users on 9/7. 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 11/710:05 pm -
Nonstop5h 59m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$161
This Delta deal was found by Cheapflights users on 9/7. 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 10/410:10 pm -
1 stop8h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Delta logo]()
$170
This Southwest deal was found by Cheapflights users on 9/6. 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.
Wed 2/246:00 am -
2 stops11h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Southwest logo]()
$176
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 10/812:51 pm -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Multiple Airlines logo]()
$200
This Booking.com deal was found by Cheapflights users on 9/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/910:30 pm -
Nonstop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$205
This Southwest deal was found by Cheapflights users on 9/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/99:00 am -
1 stop13h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Southwest logo]()
$218
This Priceline deal was found by Cheapflights users on 9/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/412:51 pm -
1 stop8h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Multiple Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 9/8. 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.
Mon 12/79:30 pm -
1 stop13h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Southwest logo]()
$228
Find 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 September 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $261 (Alaska Airlines) |
One-way from | $140 (Southwest) |
Popular in | June |
Cheapest in | January |
Average price | $600 |
Good round-trip deal | $442 or less |
Good one-way deal | $292 or less |
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 7,457,451 searches. Data last updated September 11, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Sun 10/4
10:21 pm-7:20 am
Nonstop5h 59m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$151
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Mon 12/7
8:55 pm-9:24 am
1 stop10h 29m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Tue 10/6
10:02 pm-10:00 am
1 stop8h 58m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$170
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Thu 10/8
12:51 pm-11:59 pm
1 stop8h 08m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$200
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Wed 10/7
2:43 pm-7:20 am
2 stops13h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$230
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Sun 10/4
4:16 pm-7:20 am
2 stops12h 04m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$230
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Tue 12/8
9:00 am-10:15 pm
2 stops11h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$234
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Thu 10/15
6:00 am-10:45 pm
2 stops13h 45m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Thu 2/18
6:00 am-9:50 pm
2 stops13h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$244
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Mon 3/8
10:45 pm-6:45 am
Nonstop6h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$249
Showing 1-10 of 18 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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.
KOA-SEA
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
Prices
Airlines
How far ahead should I book a flight from Kailua-Kona to Seattle?
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 50 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 $396). Flying from Kailua-Kona to Seattle in June is currently the most expensive (average of $638). 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 September 11, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 30% 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 September 5, 2026.
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. Thursday afternoons 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
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Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Seattle trip
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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 September 11, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andHawaiian 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.
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Overall
7.9
Crew
8.5
Entertainment
7.0
Food
7.0
Boarding
8.1
Comfort
7.8
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Renton
Tacoma
Lacey
Leavenworth
Olympia
Tukwila
Edmonds
Snoqualmie
Puyallup
Lynnwood
Centralia
Kent
Tumwater
Ellensburg
Issaquah
Marysville
Ocean Shores
Lakewood
Fife
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Kailua-Kona and Seattle flights
Browse other Kailua-Kona and Seattle flight options. Last updated on September 11, 2026.
Other flights from Kailua-Kona
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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 7,457,451 searches. Data last updated September 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$261 | Average$545 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$266 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$367 | Average$448 | FlexibilityNo cancel fee | On-time85% |