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

View $149 flight on Wed, Oct 15, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $149 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Oct 15 - Mon, Oct 20
KOA
Kona Coast
PDX
Portland
$297 Roundtrip, just found
$297
Roundtrip
just found
Select United flight, departing Wed, Oct 15 from Kona Coast to Portland, returning Mon, Oct 20, priced at $297 just found
Southwest Airlines
Tue, Sep 9 - Tue, Sep 23
KOA
Kona Coast
PDX
Portland
$297 Roundtrip, found 4 days ago
$297
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, Sep 9 from Kona Coast to Portland, returning Tue, Sep 23, priced at $297 found 4 days ago
American Airlines
Mon, Dec 8 - Wed, Dec 10
KOA
Kona Coast
PDX
Portland
$300 Roundtrip, found 6 days ago
$300
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Dec 8 from Kona Coast to Portland, returning Wed, Dec 10, priced at $300 found 6 days ago
American Airlines
Thu, Sep 11 - Mon, Sep 15
KOA
Kona Coast
PDX
Portland
$302 Roundtrip, found 5 days ago
$302
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Sep 11 from Kona Coast to Portland, returning Mon, Sep 15, priced at $302 found 5 days ago
United
Fri, Feb 6 - Sun, Feb 8
KOA
Kona Coast
PDX
Portland
$307 Roundtrip, found 6 days ago
$307
Roundtrip
found 6 days ago
Select United flight, departing Fri, Feb 6 from Kona Coast to Portland, returning Sun, Feb 8, priced at $307 found 6 days ago
United
Fri, Nov 14 - Sun, Nov 16
KOA
Kona Coast
PDX
Portland
$310 Roundtrip, found 6 days ago
$310
Roundtrip
found 6 days ago
Select United flight, departing Fri, Nov 14 from Kona Coast to Portland, returning Sun, Nov 16, priced at $310 found 6 days ago
United
Thu, Sep 11 - Mon, Sep 15
KOA
Kona Coast
PDX
Portland
$313 Roundtrip, found 5 days ago
$313
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 11 from Kona Coast to Portland, returning Mon, Sep 15, priced at $313 found 5 days ago
United
Thu, Sep 11 - Mon, Sep 15
KOA
Kona Coast
PDX
Portland
$315 Roundtrip, found 5 days ago
$315
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 11 from Kona Coast to Portland, returning Mon, Sep 15, priced at $315 found 5 days ago
Alaska Airlines
Tue, Feb 3 - Tue, Feb 10
KOA
Kona Coast
PDX
Portland
$340 Roundtrip, found 5 days ago
$340
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Feb 3 from Kona Coast to Portland, returning Tue, Feb 10, priced at $340 found 5 days ago
Hawaiian Airlines
Tue, Sep 16 - Tue, Sep 23
KOA
Kona Coast
PDX
Portland
$378 Roundtrip, found 4 days ago
$378
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Kona Coast to Portland, returning Tue, Sep 23, priced at $378 found 4 days ago

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

February is typically the cheapest month to fly

From $209 - $593 per traveler.

Graph displaying average flight prices per month

Flights from Kailua-Kona (KOA) to Portland (PDX)
Origin airport
Kona Intl.
Destination airport
Portland Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$297
Distance
2607 mi
Average flight time
6 hours 34 mins

Kailua-Kona to Portland Flights

The cheapest times to fly from Kailua-Kona to Portland

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 Kailua-Kona to Portland are during the month of October. You can find some of the cheapest flights from Kailua-Kona to Portland with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Kailua-Kona to Portland: 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 Kailua-Kona to Portland

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 Kailua-Kona to Portland 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 Kailua-Kona to Portland 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 Kailua-Kona to Portland 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 Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX) cost?
Grab a cheap one-way flight from $149 or cheap return flight from $297 from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
October is the most affordable month to fly from KOA to PDX. Traveling during an off-peak travel window is often the key to landing a great deal.
Which airlines fly direct from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
Hop on a direct flight with Alaska Airlines and journey straight from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX).
What is the cheapest airline that flies from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
To find the cheapest airline flying from KOA to PDX, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
On average, Kona Intl. Airport (KOA) only offers 1 nonstop flight to Portland Intl. Airport (PDX) each day. For additional options, try our easy-to-use filters. Simply enter your travel details, then choose "1 Stop" or "2+ Stops" to find flights offering layovers.
What are the most popular departure times for flights from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
Flights between KOA and PDX are busiest at 3 PM. If you're after a more relaxed experience and potentially cheaper tickets, look for a departure that's outside typical rush times.
What day of the week has the most flights from KOA to PDX?
Fly on a Friday if you're looking for the best choice of flights from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX).
What is the earliest flight from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
Take the earliest flight at around 3:23PM UTC-10, heading out of Kona Intl. Airport (KOA). You'll be flying for roughly 5h 45m, arriving at Portland Intl. Airport (PDX) at approximately 11:08PM UTC-8.
How long does it take to fly from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
The average flight duration from KOA to PDX is 5 hours and 45 minutes, covering a total distance of 2,600 mi.
What is the best time to fly from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
To reach Portland Intl. Airport (PDX) on time, pick a flight that takes off from Kona Intl. Airport (KOA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Portland from Kona Intl. Airport (KOA)?
Explore your flight options from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX). This is the only Portland airport you can fly into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX) last-minute?
Waiting until just before your trip to book your flight from KOA to PDX often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your travel plans to boost your chances of snagging a bargain.
Is it cheaper to book a KOA to PDX flight and hotel package?
You'll typically save money by booking a KOA to PDX flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After choosing your ideal accommodations and flights, you can add extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
Typically, you're able to cancel or reschedule your KOA to PDX flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

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*Available to One Key members.