Cheap flights from Seattle to Kailua-Kona from $146

The cheapest month to fly to Kailua-Kona from Seattle is in January. Flight prices, which tend to average around $394, are often lower during this time because this is during the off-season. The month of March is another great option to travel to Kailua-Kona, with average flight prices from Seattle averaging around $427.

The cheapest day to depart on your flight to Kailua-Kona is on a Tuesday when prices can be found for as low as $443. This is often the case because there is less demand to fly during this day of the week. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Kailua-Kona on Sunday is $658.

Flying to Kailua-Kona from Seattle in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $447 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Kailua-Kona is in the evening when prices are around $677.

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

You are more likely to see cheaper flights to Kailua-Kona from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Kailua-Kona for around $512 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kailua-Kona from Seattle for as low as $373 on momondo.

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

You could potentially save up to 12% on your flight if you consider stops on a Seattle to Kailua-Kona flight.

As of September 2026, prices for Seattle to Kailua-Kona flights are approximately 72% more expensive when compared to flights at the same time last year.

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

Alaska Airlines, Delta and United Airlines are the top three most popular airlines that fly to Kailua-Kona from Seattle according to our data. Alaska Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to Kailua-Kona. Keep in mind that there are 6 different airlines that fly to Kailua-Kona on a routine basis, so you have a few additional options to choose from.

Sacramento (SMF) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via San Francisco (SFO) offer the lowest average round-trip price of $382.

Flights connecting via Sacramento (SMF) have the shortest average one-way travel time: 8h 43m.

San Francisco (SFO) has the shortest average layover time for this route: 1h 15m.

The number of flights available between Seattle and Kailua-Kona is 5 per day as of September 2026. The most frequent departure time is 2:00PM, with 84% of daily flights leaving in the afternoon.

As of September 2026, there are 35 flights per week flying from Seattle to Kailua-Kona. The most common day of the week flights depart is Wed, with 23% of flights taking off on this day.