How many flights depart from Kailua-Kona to Seattle on average per week?

The number of flights available between Kailua-Kona and Seattle is 25 per week as of October 2026. The most frequent departure day is Sat, with 28% of weekly flights leaving on this day.

What is the cheapest airline that flies from Kona Intl to Seattle/Tacoma Intl?

Southwest and United Airlines are the most popular carriers operating from Kona Intl to Seattle/Tacoma Intl

How many flights depart from Kailua-Kona to Seattle on average per day?

As of October 2026, 3 flights take off from Kailua-Kona and land in Seattle each day. The most common flight departure time for this route is 22:00, with 85% of daily flights taking off in the evening.

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 updated daily.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

R3 548 Cheap Flights from Kailua-Kona to Seattle in 2026/27

Find the cheapest flights from Kailua-Kona to Seattle

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

9:00 - 22:20KOA Kona Intl-SEA Seattle/Tacoma Intl

11h 20m1 stop Sacramento Intl

5:15 - 12:55SEA Seattle/Tacoma Intl-KOA Kona Intl

9h 40m1 stop Sacramento Intl

R7 195Southwest

Fri, Dec 4 - Tue, Dec 8

9:00 - 22:20KOA Kona Intl-SEA Seattle/Tacoma Intl

11h 20m1 stop Sacramento Intl

5:15 - 14:50SEA Seattle/Tacoma Intl-KOA Kona Intl

11h 35m2 stops Sacramento Intl Honolulu

R7 294Southwest

Fri, Dec 4 - Tue, Dec 8

22:45 - 16:51KOA Kona Intl-SEA Seattle/Tacoma Intl

16h 06m1 stop Los Angeles

15:30 - 19:55SEA Seattle/Tacoma Intl-KOA Kona Intl

6h 25mdirect

R7 759Delta

Mon, Nov 16 - Tue, Dec 1

21:45 - 5:45KOA Kona Intl-SEA Seattle/Tacoma Intl

6h 00mdirect

21:20 - 18:36SEA Seattle/Tacoma Intl-KOA Kona Intl

23h 16m1 stop Los Angeles

R7 808Delta

Wed, Nov 18 - Tue, Dec 1

7:00 - 14:51KOA Kona Intl-SEA Seattle/Tacoma Intl

5h 51mdirect

17:59 - 22:28SEA Seattle/Tacoma Intl-KOA Kona Intl

6h 29mdirect

R7 908Alaska Airlines

Thu, Dec 3 - Wed, Dec 9

9:00 - 22:20KOA Kona Intl-SEA Seattle/Tacoma Intl

11h 20m1 stop Sacramento Intl

11:05 - 21:25SEA Seattle/Tacoma Intl-KOA Kona Intl

12h 20m2 stops Oakland Honolulu

R7 991Southwest

Thu, Dec 3 - Wed, Dec 9

9:00 - 22:20KOA Kona Intl-SEA Seattle/Tacoma Intl

11h 20m1 stop Sacramento Intl

5:15 - 12:55SEA Seattle/Tacoma Intl-KOA Kona Intl

9h 40m1 stop Sacramento Intl

R8 057Southwest

Thu, Dec 3 - Wed, Dec 9

9:00 - 0:20KOA Kona Intl-SEA Seattle/Tacoma Intl

13h 20m2 stops Sacramento Intl Las Vegas Harry Reid Intl

5:40 - 14:25SEA Seattle/Tacoma Intl-KOA Kona Intl

10h 45m2 stops Sacramento Intl Honolulu

R8 074Southwest

Thu, Feb 18 - Wed, Feb 24

9:00 - 0:10KOA Kona Intl-SEA Seattle/Tacoma Intl

13h 10m1 stop Sacramento Intl

7:35 - 16:55SEA Seattle/Tacoma Intl-KOA Kona Intl

11h 20m2 stops San Jose Honolulu

R8 190Southwest

Fri, Nov 20 - Tue, Jan 12

21:45 - 5:45KOA Kona Intl-SEA Seattle/Tacoma Intl

6h 00mdirect

21:20 - 18:36SEA Seattle/Tacoma Intl-KOA Kona Intl

23h 16m1 stop Los Angeles

R8 206Delta

Wed, Nov 18 - Mon, Nov 30

Cheap last-minute flights

Enter your travel dates to find the best prices.

21:06 - 6:07KOA Kona Intl-SEA Seattle/Tacoma Intl

6h 01mdirect

7:15 - 18:32SEA Seattle/Tacoma Intl-KOA Kona Intl

13h 17m1 stop Los Angeles

R10 676Delta

Mon, Oct 26 - Thu, Nov 26

21:06 - 6:07KOA Kona Intl-SEA Seattle/Tacoma Intl

6h 01mdirect

7:15 - 18:32SEA Seattle/Tacoma Intl-KOA Kona Intl

13h 17m1 stop Los Angeles

R11 008Delta

Mon, Oct 26 - Thu, Nov 26

21:06 - 6:07KOA Kona Intl-SEA Seattle/Tacoma Intl

6h 01mdirect

9:45 - 20:27SEA Seattle/Tacoma Intl-KOA Kona Intl

12h 42m1 stop Los Angeles

R11 207Delta

Tue, Oct 27 - Tue, Nov 3

10:00 - 23:45KOA Kona Intl-SEA Seattle/Tacoma Intl

10h 45m1 stop Sacramento Intl

5:05 - 13:35SEA Seattle/Tacoma Intl-KOA Kona Intl

10h 30m1 stop Las Vegas Harry Reid Intl

R12 583Southwest

Mon, Oct 26 - Thu, Nov 26

19:00 - 11:25KOA Kona Intl-SEA Seattle/Tacoma Intl

13h 25m2 stops Honolulu Phoenix Sky Harbor Intl

5:05 - 13:35SEA Seattle/Tacoma Intl-KOA Kona Intl

10h 30m1 stop Las Vegas Harry Reid Intl

R12 682Southwest

Mon, Oct 26 - Thu, Nov 26

14:28 - 11:02KOA Kona Intl-SEA Seattle/Tacoma Intl

17h 34m1 stop Los Angeles

18:30 - 10:06SEA Seattle/Tacoma Intl-KOA Kona Intl

17h 36m1 stop Honolulu

R12 765Multiple Airlines

Mon, Oct 26 - Thu, Nov 26

10:00 - 21:55KOA Kona Intl-SEA Seattle/Tacoma Intl

8h 55m1 stop Sacramento Intl

5:15 - 12:55SEA Seattle/Tacoma Intl-KOA Kona Intl

9h 40m1 stop Sacramento Intl

R13 163Southwest

Tue, Oct 27 - Tue, Nov 3

20:35 - 13:35KOA Kona Intl-SEA Seattle/Tacoma Intl

14h 00m2 stops Las Vegas Harry Reid Intl Sacramento Intl

5:15 - 12:55SEA Seattle/Tacoma Intl-KOA Kona Intl

9h 40m1 stop Sacramento Intl

R13 262Southwest

Tue, Oct 27 - Tue, Nov 3

8:00 - 23:45KOA Kona Intl-SEA Seattle/Tacoma Intl

12h 45m2 stops Honolulu Sacramento Intl

6:00 - 14:10SEA Seattle/Tacoma Intl-KOA Kona Intl

10h 10m2 stops Sacramento Intl Honolulu

R13 345Southwest

Mon, Oct 26 - Thu, Nov 26

12:04 - 23:18KOA Kona Intl-SEA Seattle/Tacoma Intl

8h 14m1 stop San Francisco

6:00 - 20:32SEA Seattle/Tacoma Intl-KOA Kona Intl

16h 32m2 stops Los Angeles San Francisco

R13 793United Airlines

Mon, Oct 26 - Thu, Nov 26

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United Airlines flights from Kailua-Kona to Seattle

Our best United Airlines deals on Kailua-Kona to Seattle flight tickets

United Airlines

Nov 23

KOA13:04Kona Intl

8h 14m

1 stop

SEA23:18Seattle/Tacoma Intl

Nov 27

SEA13:16Seattle/Tacoma Intl

9h 16m

1 stop

KOA20:32Kona Intl

R8 389

United Airlines

Oct 26

KOA12:04Kona Intl

8h 14m

1 stop

SEA23:18Seattle/Tacoma Intl

Nov 26

SEA6:00Seattle/Tacoma Intl

16h 32m

2 stops

KOA20:32Kona Intl

R14 125

United Airlines

Oct 26

KOA22:59Kona Intl

14h 13m

2 stops

SEA16:12Seattle/Tacoma Intl

Nov 26

SEA6:00Seattle/Tacoma Intl

14h 49m

2 stops

KOA18:49Kona Intl

R15 865

Southwest flights from Kailua-Kona to Seattle

Our best Southwest deals on Kailua-Kona to Seattle flight tickets

Southwest

Dec 4

KOA9:00Kona Intl

11h 20m

1 stop

SEA22:20Seattle/Tacoma Intl

Dec 8

SEA5:15Seattle/Tacoma Intl

9h 40m

1 stop

KOA12:55Kona Intl

R7 195

Southwest

Dec 4

KOA9:00Kona Intl

11h 20m

1 stop

SEA22:20Seattle/Tacoma Intl

Dec 8

SEA5:15Seattle/Tacoma Intl

11h 35m

2 stops

KOA14:50Kona Intl

R7 294

Southwest

Dec 3

KOA9:00Kona Intl

11h 20m

1 stop

SEA22:20Seattle/Tacoma Intl

Dec 9

SEA11:05Seattle/Tacoma Intl

12h 20m

2 stops

KOA21:25Kona Intl

R7 991

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Fri 4/12

9:00-22:20

1 stop11h 20m

Seattle/Tacoma Intl

Tue 8/12

5:15-12:55

1 stop9h 40m

R7 195

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Fri 4/12

9:00-22:20

1 stop11h 20m

Seattle/Tacoma Intl

Tue 8/12

5:15-14:50

2 stops11h 35m

R7 294

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Mon 16/11

22:45-16:51

1 stop16h 06m

Seattle/Tacoma Intl

Tue 1/12

15:30-19:55

Nonstop6h 25m

R7 759

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Wed 18/11

21:45-5:45

Nonstop6h 00m

Seattle/Tacoma Intl

Tue 1/12

21:20-18:36

1 stop23h 16m

R7 808

Fastest return journey

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Thu 3/12

7:00-14:51

Nonstop5h 51m

Seattle/Tacoma Intl

Wed 9/12

17:59-22:28

Nonstop6h 29m

R7 908

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Thu 3/12

9:00-22:20

1 stop11h 20m

Seattle/Tacoma Intl

Wed 9/12

11:05-21:25

2 stops12h 20m

R7 991

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Thu 3/12

9:00-22:20

1 stop11h 20m

Seattle/Tacoma Intl

Wed 9/12

5:15-12:55

1 stop9h 40m

R8 057

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Thu 18/2

9:00-0:20

2 stops13h 20m

Seattle/Tacoma Intl

Wed 24/2

5:40-14:25

2 stops10h 45m

R8 074

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Fri 20/11

9:00-0:10

1 stop13h 10m

Seattle/Tacoma Intl

Tue 12/1

7:35-16:55

2 stops11h 20m

R8 190

Kailua-KonaSeattle

KOA Kona Intl - SEA Seattle/Tacoma Intl

KOASEA

Kona Intl

Wed 18/11

21:45-5:45

Nonstop6h 00m

Seattle/Tacoma Intl

Mon 30/11

21:20-18:36

1 stop23h 16m

R8 206

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the typical price of a round-trip flight between Kailua-Kona and Seattle?

Prices are currently typical for flights on this route.

Typical prices usually range from R5 786 to R9 599.
The lowest price recently found on this route was R7 195.

What is the cheapest month to fly to Seattle?

The cheapest month to fly to Seattle from Kailua-Kona is in February. Flight prices, which tend to average around R7 062, are often lower during this time because this is during the off-season. If you aren’t able to travel to Seattle during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of R7 427.

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 from Kailua-Kona 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 R8 856 when searching weeks before you fly. 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 R5 952 on momondo.

What cabin class options are available on Kailua-Kona to Seattle flights?

There is only 1 cabin class available to choose from on Kailua-Kona to Seattle flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of October 2026, prices for Kailua-Kona to Seattle flights are approximately 33% more expensive 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 return 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	R3 548
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 R3 548. The best return flight deal from Kailua-Kona to Seattle found on momondo in the last 72 hours is R7 195.

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).

Search flight deals

Frequently asked questions about flying from Kailua-Kona to Seattle

How far is Kona Intl to Seattle/Tacoma Intl by plane?
There are 4337,4 km between Kona Intl and Seattle/Tacoma Intl.
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 updated daily.
How old do you have to be to fly from Kona Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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 necessary travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Kailua-Kona to Seattle?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Kailua-Kona to Seattle is Airbus A321neo (26,25% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (23,12%), Boeing 737 MAX 8 (15,00%), and Boeing 737-900 Passenger/BBJ3 (winglets) (14,38%).

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Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Kailua-Kona to Seattle . Millions of users trust and use momondo every year so you are in good hands.

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?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Kailua-Kona and alert you when they change.