Cheap flights from Kailua-Kona to Portland from $148

The cheapest month to fly to Portland from Kailua-Kona is in January. Flight prices, which tend to average around $277, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until November to fly from Kailua-Kona, when ticket prices are also cheap, with an average price of $354.

The cheapest day to depart on your flight to Portland is on a Friday when prices can be found for as low as $522. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Saturday, with ticket prices averaging around $622.

The cheapest time of day to fly to Portland is in the afternoon when flights can be purchased for as low as $558. In the morning is when there is more demand to fly to Portland, so prices are often more expensive at around $578 per ticket.

Fly from Kona Intl to Portland for the best Kona Intl - Portland flight prices

There are 4 cabin classes available to choose from on Kona Intl to Portland 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 16% on your flight if you consider stops on a Kailua-Kona to Portland flight.

Delta and Alaska Airlines are the most popular carriers operating from Kona Intl to Portland

Alaska Airlines, Hawaiian Airlines and Delta are the top three most popular airlines that fly to Portland 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 Portland. Keep in mind that there are 5 different airlines that fly to Portland on a routine basis, so you have a few additional options to choose from.

Honolulu (HNL) was the most common stop: 83% of momondo users choosing 1-stop flights on this route connected there.

Flights via Seattle (SEA) offer the lowest average round-trip price of $421.

Flights connecting via Honolulu (HNL) have the shortest average one-way travel time: 7h 20m.

Honolulu (HNL) has the shortest average layover time for this route: 1h 05m.

As of March 2026, there are 1 flights per day flying from Kailua-Kona to Portland. The most common time of day flights depart is 1:00PM, with 100% of flights taking off in the afternoon.

As of March 2026, 10 flights take off from Kailua-Kona and land in Portland each week. The most common flight departure day for this route is Mon, with 20% of weekly flights taking off on this day.