$233+ 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 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — SEA
Dec 10 — Dec 171
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 February or March, 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 November 10, 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 November 10, 2026.
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:45 pm -
Nonstop6h 00m
Fri 11/273:15 pm -
Nonstop6h 10m
Deal found 11/8![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:30 pm -
1 stop13h 30m
Thu 12/105:15 am -
1 stop9h 40m
Deal found 11/9![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 11/8. 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.
Sat 11/219:00 am -
1 stop12h 50m
Fri 11/276:45 am -
2 stops13h 25m
Deal found 11/8![Southwest logo]()
$512
This Delta deal was found by Cheapflights users on 11/7. 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.
Mon 12/2810:40 pm -
1 stop9h 53m
Tue 12/293:15 pm -
Nonstop6h 24m
Deal found 11/7![Delta logo]()
$551
This Priceline deal was found by Cheapflights users on 11/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2811:40 pm -
Nonstop5h 51m
Tue 12/296:07 pm -
Nonstop6h 33m
Deal found 11/7![Alaska Airlines logo]()
$561
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:00 am -
1 stop11h 20m
Mon 12/145:15 am -
1 stop9h 40m
Deal found 11/9![Southwest logo]()
$570
This Priceline deal was found by Cheapflights users on 11/10. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2910:16 pm -
Nonstop5h 53m
Tue 1/56:04 pm -
Nonstop6h 25m
Deal found 11/10![Alaska Airlines logo]()
$575
This Southwest deal was found by Cheapflights users on 11/7. 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.
Mon 11/3011:40 am -
2 stops10h 05m
Thu 12/105:15 am -
1 stop9h 40m
Deal found 11/7![Southwest logo]()
$576
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 November 10, 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 November 10, 2026.
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:45 pm -
Nonstop6h 00m
Fri 11/273:15 pm -
Nonstop6h 10m
Deal found 11/8![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:00 am -
2 stops11h 20m
Thu 12/1011:05 am -
2 stops12h 20m
Deal found 11/9![Southwest logo]()
$513
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 3/910:30 pm -
Nonstop5h 51m
Sun 3/216:59 pm -
Nonstop6h 08m
Deal found 11/7![Alaska Airlines logo]()
$577
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/311:44 am -
1 stop19h 48m
Mon 12/77:00 am -
1 stop9h 09m
Deal found 11/5![Multiple Airlines logo]()
$585
This Delta deal was found by Cheapflights users on 11/6. 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.
Tue 3/910:45 pm -
Nonstop6h 00m
Sun 3/212:30 pm -
Nonstop6h 24m
Deal found 11/6![Delta logo]()
$557
This Southwest deal was found by Cheapflights users on 11/8. 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.
Sat 11/216:00 am -
2 stops12h 45m
Fri 11/276:45 am -
2 stops13h 25m
Deal found 11/8![Southwest logo]()
$582
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Tue 3/98:45 pm -
1 stop7h 16m
Sun 3/216:59 pm -
Nonstop6h 08m
Deal found 11/7![Multiple Airlines logo]()
$602
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 1/68:40 am -
Nonstop5h 52m
Wed 1/66:04 pm -
Nonstop6h 25m
Deal found 11/8![Alaska Airlines logo]()
$609
This Alaska Airlines deal was found by Cheapflights users on 11/7. 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.
Fri 12/411:44 am -
1 stop19h 48m
Tue 12/89:30 am -
1 stop11h 01m
Deal found 11/7![Multiple Airlines logo]()
$616
This Delta deal was found by Cheapflights users on 11/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/198:40 pm -
1 stop10h 39m
Tue 12/2210:35 am -
1 stop10h 01m
Deal found 11/5![Delta logo]()
$636
Last-minute flights from Kailua-Kona to SeattleDiscover last-minute flight deals from Kailua-Kona to Seattle. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Kailua-Kona to Seattle. Data last updated November 10, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/219:45 pm -
Nonstop6h 00m
Fri 11/273:15 pm -
Nonstop6h 10m
Deal found 11/8![Delta logo]()
$487
This Southwest deal was found by Cheapflights users on 11/8. 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.
Sat 11/219:00 am -
1 stop12h 50m
Fri 11/276:45 am -
2 stops13h 25m
Deal found 11/8![Southwest logo]()
$512
This Southwest deal was found by Cheapflights users on 11/7. 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.
Mon 11/3011:40 am -
2 stops10h 05m
Thu 12/105:15 am -
1 stop9h 40m
Deal found 11/7![Southwest logo]()
$576
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/39:30 pm -
1 stop13h 30m
Thu 12/105:15 am -
1 stop9h 40m
Deal found 11/9![Southwest logo]()
$502
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/79:00 am -
1 stop11h 20m
Mon 12/145:15 am -
1 stop9h 40m
Deal found 11/9![Southwest logo]()
$570
This Delta deal was found by Cheapflights users on 11/7. 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.
Mon 12/2810:40 pm -
1 stop9h 53m
Tue 12/293:15 pm -
Nonstop6h 24m
Deal found 11/7![Delta logo]()
$551
This Priceline deal was found by Cheapflights users on 11/7. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2811:40 pm -
Nonstop5h 51m
Tue 12/296:07 pm -
Nonstop6h 33m
Deal found 11/7![Alaska Airlines logo]()
$561
This Expedia deal was found by Cheapflights users on 11/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2910:16 pm -
Nonstop5h 53m
Tue 1/56:04 pm -
Nonstop6h 25m
Deal found 11/9![Alaska Airlines logo]()
$575
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 November 10, 2026.
Search for one-way flight options from Kailua-Kona to Seattle. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Southwest deal was found by Cheapflights users on 11/5. 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.
Tue 2/239:25 pm -
1 stop13h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$233
This United Airlines deal was found by Cheapflights users on 11/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2411:52 pm -
2 stops14h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![United Airlines logo]()
$239
This Southwest deal was found by Cheapflights users on 11/5. 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.
Tue 1/199:25 pm -
2 stops17h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Southwest logo]()
$244
This Southwest deal was found by Cheapflights users on 11/6. 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.
Sat 11/219:00 am -
1 stop12h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Southwest logo]()
$253
This United Airlines deal was found by Cheapflights users on 11/8. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/111:05 pm -
1 stop8h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$263
This Priceline deal was found by Cheapflights users on 11/6. 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.
Sat 11/2111:52 pm -
Nonstop5h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Alaska Airlines logo]()
$264
This Southwest deal was found by Cheapflights users on 11/9. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/29:00 am -
1 stop11h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Southwest logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 12/23:42 pm -
1 stop14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$273
This Priceline deal was found by Cheapflights users on 11/6. 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 1/108:45 pm -
1 stop24h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$276
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/239:45 pm -
Nonstop6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Delta logo]()
$284
This Trip.com deal was found by Cheapflights users on 11/5. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/256:00 am -
1 stop14h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Multiple Airlines logo]()
$285
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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $487 (Delta) |
One-way from | $233 (Southwest) |
Popular in | June |
Cheapest in | February |
Average price | $486 |
Good round-trip deal | $510 or less |
Good one-way deal | $288 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 November 10, 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
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Mon 3/15
10:39 am-10:55 pm
1 stop9h 16m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$273
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Wed 1/6
11:29 pm-7:20 am
Nonstop5h 51m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$284
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Sat 1/16
10:34 am-11:00 pm
1 stop10h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$303
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Sat 2/13
4:30 pm-9:09 am
1 stop14h 39m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$303
Quickest round-trip
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Sun 1/10
9:40 pm-5:30 am
Nonstop5h 50m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$314
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Wed 1/6
2:08 pm-7:20 am
1 stop15h 12m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$343
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Mon 11/30
1:02 pm-9:28 pm
1 stop30h 26m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$351
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Thu 3/18
5:46 pm-7:16 am
2 stops10h 30m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$353
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Wed 11/25
6:00 am-9:00 pm
2 stops13h 00m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$363
Kailua-KonaSeattle
KOA Kona Intl - SEA Seattle/Tacoma Intl
KOASEA
Kona Intl
Sat 4/10
8:30 pm-8:40 am
1 stop9h 10m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$367
Showing 1-10 of 21 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy1 star | 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, February is the cheapest month in which you can book a flight from Kailua-Kona to Seattle (average of $426). 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 November 10, 2026.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 28% on flights from Kailua-Kona to Seattle by exploring options for tickets in the evening.
The best insider tips for Kailua-Kona to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Seattle trip
Our travel experts
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 November 10, 2026.
See what other customers who have flown with Alaska Airlines,Delta, andUnited 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.
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$198 | Average$538 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$510 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$299 | Average$566 | FlexibilityNo cancel fee | On-time75% |