Cheap flights from Kailua-Kona to Seattle from $128

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kailua-Kona to Seattle departing on 3/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Kailua-Kona to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:04 pm - 10:43 am
KOA
-
SEA
8h 39m
1 stop
United Airlines Logo
11:39 am - 7:50 pm
SEA
-
KOA
11h 11m
1 stop
$276United Airlines
Wed, May 6 - Wed, May 13
Delta Logo
8:55 pm - 5:46 am
KOA
-
SEA
5h 51mnonstop
Delta Logo
3:25 pm - 6:38 pm
SEA
-
KOA
6h 13mnonstop
$298Delta
Tue, Mar 17 - Sun, Mar 22
Delta Logo
8:55 pm - 5:53 am
KOA
-
SEA
5h 58mnonstop
Delta Logo
7:20 am - 6:34 pm
SEA
-
KOA
14h 14m
1 stop
$307Delta
Tue, May 5 - Mon, May 11
United Airlines Logo
10:55 pm - 11:18 am
KOA
-
SEA
10h 23m
1 stop
United Airlines Logo
5:05 am - 12:59 pm
SEA
-
KOA
9h 54m
1 stop
$328United Airlines
Tue, Feb 24 - Sat, Feb 28
Delta Logo
8:55 pm - 5:53 am
KOA
-
SEA
5h 58mnonstop
Delta Logo
2:30 pm - 5:51 pm
SEA
-
KOA
6h 21mnonstop
$337Delta
Tue, May 5 - Mon, May 11
Multiple Airlines Logo
4:10 pm - 6:00 am
KOA
-
SEA
10h 50m
1 stop
Multiple Airlines Logo
4:27 pm - 7:52 pm
SEA
-
KOA
6h 25mnonstop
$342Multiple Airlines
Wed, Apr 15 - Wed, Apr 29
Alaska Airlines Logo
9:00 pm - 8:47 am
KOA
-
SEA
8h 47m
1 stop
Alaska Airlines Logo
10:00 am - 8:26 pm
SEA
-
KOA
13h 26m
1 stop
$347Alaska Airlines
Tue, May 5 - Mon, May 11
Southwest Logo
9:25 pm - 12:20 pm
KOA
-
SEA
12h 55m
1 stop
Southwest Logo
9:35 am - 6:10 pm
SEA
-
KOA
10h 35m
2 stops
$362Southwest
Tue, Feb 24 - Sat, Feb 28
Delta Logo
9:55 pm - 5:44 am
KOA
-
SEA
5h 49mnonstop
Delta Logo
7:15 am - 6:30 pm
SEA
-
KOA
13h 15m
1 stop
$367Delta
Fri, Feb 6 - Mon, Feb 9
Multiple Airlines Logo
11:15 am - 11:27 pm
KOA
-
SEA
9h 12m
1 stop
Multiple Airlines Logo
6:57 pm - 10:12 pm
SEA
-
KOA
6h 15mnonstop
$371Multiple Airlines
Mon, May 4 - Fri, May 15

United Airlines flights from Kailua-Kona to Seattle

Our best United Airlines deals on Kailua-Kona to Seattle flight tickets
United Airlines
May 6
KOA11:04 pmKona Intl
8h 39m
1 stop
SEA10:43 amSeattle/Tacoma Intl
May 13
SEA11:39 amSeattle/Tacoma Intl
11h 11m
1 stop
KOA7:50 pmKona Intl
$276
United Airlines
Feb 24
KOA10:55 pmKona Intl
10h 23m
1 stop
SEA11:18 amSeattle/Tacoma Intl
Feb 28
SEA5:05 amSeattle/Tacoma Intl
9h 54m
1 stop
KOA12:59 pmKona Intl
$328
United Airlines
May 5
KOA11:04 pmKona Intl
8h 39m
1 stop
SEA10:43 amSeattle/Tacoma Intl
May 11
SEA7:08 amSeattle/Tacoma Intl
15h 08m
2 stops
KOA7:16 pmKona Intl
$442

Delta flights from Kailua-Kona to Seattle

Our best Delta deals on Kailua-Kona to Seattle flight tickets
Delta
Mar 17
KOA8:55 pmKona Intl
5h 51m
SEA5:46 amSeattle/Tacoma Intl
Mar 22
SEA3:25 pmSeattle/Tacoma Intl
6h 13m
KOA6:38 pmKona Intl
$298
Delta
May 5
KOA8:55 pmKona Intl
5h 58m
SEA5:53 amSeattle/Tacoma Intl
May 11
SEA7:20 amSeattle/Tacoma Intl
14h 14m
1 stop
KOA6:34 pmKona Intl
$307
Delta
May 5
KOA8:55 pmKona Intl
5h 58m
SEA5:53 amSeattle/Tacoma Intl
May 11
SEA2:30 pmSeattle/Tacoma Intl
6h 21m
KOA5:51 pmKona Intl
$337

momondo 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, momondo users made 832,500 searches. Data last updated January 20, 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

Price

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Wed 5/6

11:04 pm-10:43 am

1 stop8h 39m

Seattle/Tacoma Intl

Wed 5/13

11:39 am-7:50 pm

1 stop11h 11m

$276

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 3/17

8:55 pm-5:46 am

Nonstop5h 51m

Seattle/Tacoma Intl

Sun 3/22

3:25 pm-6:38 pm

Nonstop6h 13m

$298

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 5/5

8:55 pm-5:53 am

Nonstop5h 58m

Seattle/Tacoma Intl

Mon 5/11

7:20 am-6:34 pm

1 stop14h 14m

$307

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 2/24

10:55 pm-11:18 am

1 stop10h 23m

Seattle/Tacoma Intl

Sat 2/28

5:05 am-12:59 pm

1 stop9h 54m

$328

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 5/5

8:55 pm-5:53 am

Nonstop5h 58m

Seattle/Tacoma Intl

Mon 5/11

2:30 pm-5:51 pm

Nonstop6h 21m

$337

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Wed 4/15

4:10 pm-6:00 am

1 stop10h 50m

Seattle/Tacoma Intl

Wed 4/29

4:27 pm-7:52 pm

Nonstop6h 25m

$342

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 5/5

9:00 pm-8:47 am

1 stop8h 47m

Seattle/Tacoma Intl

Mon 5/11

10:00 am-8:26 pm

1 stop13h 26m

$347

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Tue 2/24

9:25 pm-12:20 pm

1 stop12h 55m

Seattle/Tacoma Intl

Sat 2/28

9:35 am-6:10 pm

2 stops10h 35m

$362

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Fri 2/6

9:55 pm-5:44 am

Nonstop5h 49m

Seattle/Tacoma Intl

Mon 2/9

7:15 am-6:30 pm

1 stop13h 15m

$367

Kailua-KonaSeattle

KOA - SEA

KOASEA

Kona Intl

Mon 5/4

11:15 am-11:27 pm

1 stop9h 12m

Seattle/Tacoma Intl

Fri 5/15

6:57 pm-10:12 pm

Nonstop6h 15m

$371

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from Kailua-Kona to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

In general, September is the cheapest month to fly from Kailua-Kona to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $387. If you don’t want to visit Seattle in September, then you should wait until November to fly from Kailua-Kona, when ticket prices are also cheap, with an average price of $403.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Kailua-Kona is on a Thursday. momondo users have found tickets for Thursday departures for as low as $505. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Kailua-Kona because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $603.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Kailua-Kona at noon is the least expensive time of day to depart. momondo users have found prices as low as $442 when looking at flights departing at noon. Flights to Seattle are more costly in the afternoon, with an average ticket price of $836. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Kona Intl to Seattle/Tacoma Intl flight route?

Fly from Kona Intl to Seattle/Tacoma Intl for the best Kona Intl - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Kailua-Kona when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $502 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kailua-Kona for as low as $384 on momondo.

What cabin class options are available on Kona Intl to Seattle/Tacoma Intl flights?

There are 4 cabin classes available to choose from on Kona Intl to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Kailua-Kona to Seattle flights?

No. A direct flight is the cheapest option for a flight between Kailua-Kona to Seattle.

How have Kailua-Kona to Seattle flight prices changed over time?

As of January 2026, prices for Kailua-Kona to Seattle flights are approximately 5% cheaper when compared to flights at the same time last year.

When to book flights from Kailua-Kona to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Kailua-Kona to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kailua-Kona to Seattle (KOA to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kailua-Kona to Seattle

Best Price Found

$294

Fastest flight time

5h 49m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Kailua-Kona in the past 72 hours is $294. The best round-trip flight deal from Kailua-Kona to Seattle found on momondo in the last 72 hours is $405.
The fastest flight from Kailua-Kona to Seattle takes 5h 49m
Direct flights go from Kailua-Kona to Seattle every day.
There is 1 airport in Seattle. From Kailua-Kona there are direct flights to Seattle/Tacoma Intl (SEA).
  • How far is Kona Intl to Seattle/Tacoma Intl by plane?

    There are 2695.1 mi between Kona Intl and Seattle/Tacoma Intl. 5h 49m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Kona Intl Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from Kona Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kona Intl Airport to Seattle/Tacoma Intl Airport?

  • How old do you have to be to fly from Kona Intl Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kona Intl Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Kailua-Kona to Seattle?

  • What is the most popular airline from Kailua-Kona to Seattle?

Best airlines flying from Kailua-Kona to Seattle

Compare and see reviews for airlines that fly from Kailua-Kona to Seattle with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $257Free CancellationRating
7.9
8,081 reviews
Search Delta flights
Alaska AirlinesPriceFrom $316Free CancellationRating
8.0
11,764 reviews
Search Alaska Airlines flights
Hawaiian AirlinesPriceFrom $334Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
  • Alaska Airlines Flights From Kailua-Kona to Seattle

    Alaska Airlines flies from Kailua-Kona to Seattle around 11 times per week, with 11,764 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Kailua-Kona to Seattle in the last 72 hours was $316 (round-trip), much lower than the average airfare cost of $551 for Alaska Airlines flights on this route.

  • Delta Flights From Kailua-Kona to Seattle

    Across 8,081 Delta reviews on momondo, the average score is 7.9/10. Delta flies from Kailua-Kona to Seattle about 7 times each week, with ticket deals ranging from $257 to $437. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Redmond
Puyallup
Cle Elum
Tukwila
Lakewood
Federal Way
Centralia
Westport
Kirkland
Fife
Shoreline

Why use momondo?

Why should I use momondo to find a flight deal from Kailua-Kona to Seattle?

It is quick and easy to find Kailua-Kona to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from Kailua-Kona to Seattle with flexible booking policies on momondo?

All flight searches from Kailua-Kona to Seattle on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Kailua-Kona to Seattle?

Once you have performed a search for Kailua-Kona to Seattle flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kailua-Kona to Seattle right now. Can momondo alert me if prices change?

Price alerts on flights to Seattle from Kailua-Kona are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Thu 2/19
Thu 2/26

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