Cheap flights from Kailua-Kona to Seattle from $158

In general, February 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 $367. If you don’t want to visit Seattle in February, then you should wait until September to fly from Kailua-Kona, when ticket prices are also cheap, with an average price of $387.

On average, the least expensive day to fly to Seattle from Kailua-Kona is on a Sunday. momondo users have found tickets for Sunday departures for as low as $489. 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 $627.

Flying to Seattle from Kailua-Kona in the evening is the least expensive time of day to depart. momondo users have found prices as low as $543 when looking at flights departing in the evening. 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.

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

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 $485 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 $358 on momondo.

There are 4 cabin classes 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.

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

Alaska Airlines, Delta and Hawaiian Airlines are the top three most popular airlines that fly to Seattle from Kailua-Kona according to our data. Alaska Airlines is the first choice among our users, with 62% of people opting to fly with this airline when traveling to Seattle. Keep in mind that there are 3 different airlines that fly to Seattle on a routine basis, so you have a few additional options to choose from.

As of June 2026, 5 flights take off from Kailua-Kona and land in Seattle each day. The most common flight departure time for this route is 9:00PM, with 57% of daily flights taking off in the evening.

As of June 2026, 38 flights take off from Kailua-Kona and land in Seattle each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.