$149 Cheap Flights from Portland (PDX) to Kailua-Kona (KOA)

Popular airlines from Portland International Airport (PDX) to Kona Intl. Airport (KOA)

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Cheap Flights from Portland to Kailua-Kona (PDX-KOA)

Prices were available within the past 7 days and start at $149 for one-way flights and $293 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
United
American Airlines
United
American Airlines
United
American Airlines
United
Alaska Airlines
Hawaiian Airlines

Find the cheapest month to fly from Portland (PDX) to Kailua-Kona (KOA)

September is typically the cheapest month to fly

From $194 - $352 per traveler.

Graph displaying average flight prices per month

Flights from Portland (PDX) to Kailua-Kona (KOA)
Origin airport
Portland Intl.
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$292
Distance
2607 mi
Average flight time
4 hours 54 mins

Portland to Kailua-Kona Flights

The cheapest times to fly from Portland to Kailua-Kona

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Kailua-Kona are during the month of September. You can find some of the cheapest flights from Portland to Kailua-Kona with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Kailua-Kona

Sunday is one of the best days to book for cheap flights from Portland to Kailua-Kona: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Kailua-Kona

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Kailua-Kona in 2025. You can also book with separate airlines for your outbound and return journeys, from $149 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Kailua-Kona flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Kailua-Kona airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA) cost?
You can pick up cheap return fares starting from $356 from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving PDX on July 23 2025 and touching down at KOA. The price was last updated on July 10 2025 and has not changed since.
What is the cheapest month to fly from PDX to KOA?
The cheapest flights from PDX to KOA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA)?
Catch a nonstop flight with Alaska Airlines and go straight from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA).
What is the cheapest airline that flies from PDX to KOA?
At the moment, the cheapest airline operating one-way flights from PDX to KOA is Alaska Airlines. You can jet off on this route from $198. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PDX on September 25 2025. Prices were last updated on July 10 2025 and have not changed since.
How many flights per day from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA)?
On average, just 1 nonstop flight departs daily from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA). Need other options? Use our filter tool to discover flights with layovers and add an extra destination to your journey.
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA)?
More passengers fly between PDX and KOA at 7 AM than at any other time of day. Looking to skip the crowds? Travel outside of rush hours and you could save on your fare as well.
What day of the week has the most flights from PDX to KOA?
Friday offers the most flights from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA). Consider taking off on this day and you'll have the best chance of finding a schedule that works for you.
What is the earliest flight from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA)?
Portland Intl. Airport (PDX)'s first flight to Kona Intl. Airport (KOA) is at approximately 7:00AM UTC-8. With a total journey time of 6h 23m, you'll land at around 11:23AM UTC-10.
How long does it take to fly from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA)?
The average flight duration from PDX to KOA is 6 hours and 23 minutes, covering a total distance of 2,600 mi.
What airline has the least delays from PDX to KOA?
With 93% of journeys usually arriving on schedule, Alaska Airlines has the best on-time performance for nonstop flights from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA). To monitor your flight status and get notifications about any changes, simply head to the Expedia App.
What is the best time to fly from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA)?
Opt for a flight from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA) that leaves before 3 PM to reduce the likelihood of delays. Later departures are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Kailua-Kona from Portland Intl. Airport (PDX)?
If you're traveling on a direct flight from Portland Intl. Airport (PDX) to Kailua-Kona, Kona Intl. Airport (KOA) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA) last-minute?
Booking your flight from PDX to KOA right before your trip is generally more expensive. But if you're flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a PDX to KOA flight and hotel package?
Compared with arranging flights and hotels separately, booking a PDX to KOA flight and hotel package with Expedia could result in significant savings. Better yet, managing everything in one place takes the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then tailor your trip with other add-ons like tours, activities and car rentals.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Kona Intl. Airport (KOA)?
If you booked your PDX to KOA flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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