$302 Cheap Flights from Kailua-Kona (KOA) to Portland (PWM)

View $302 flight on Mon, Jul 28, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $302 for one-way flights and $528 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Sep 2 - Wed, Sep 24
KOA
Kona Coast
PWM
Portland
$528 Roundtrip, just found
$528
Roundtrip
just found
Select Delta flight, departing Tue, Sep 2 from Kona Coast to Portland, returning Wed, Sep 24, priced at $528 just found
Delta
Tue, Sep 2 - Sat, Sep 20
KOA
Kona Coast
PWM
Portland
$574 Roundtrip, just found
$574
Roundtrip
just found
Select Delta flight, departing Tue, Sep 2 from Kona Coast to Portland, returning Sat, Sep 20, priced at $574 just found
Delta
Thu, Sep 4 - Wed, Sep 24
KOA
Kona Coast
PWM
Portland
$576 Roundtrip, just found
$576
Roundtrip
just found
Select Delta flight, departing Thu, Sep 4 from Kona Coast to Portland, returning Wed, Sep 24, priced at $576 just found
Delta
Tue, Sep 2 - Thu, Sep 18
KOA
Kona Coast
PWM
Portland
$598 Roundtrip, just found
$598
Roundtrip
just found
Select Delta flight, departing Tue, Sep 2 from Kona Coast to Portland, returning Thu, Sep 18, priced at $598 just found
Delta
Sun, Sep 7 - Wed, Sep 24
KOA
Kona Coast
PWM
Portland
$601 Roundtrip, just found
$601
Roundtrip
just found
Select Delta flight, departing Sun, Sep 7 from Kona Coast to Portland, returning Wed, Sep 24, priced at $601 just found
Delta
Thu, Sep 4 - Sat, Sep 20
KOA
Kona Coast
PWM
Portland
$622 Roundtrip, just found
$622
Roundtrip
just found
Select Delta flight, departing Thu, Sep 4 from Kona Coast to Portland, returning Sat, Sep 20, priced at $622 just found
Delta
Thu, Sep 4 - Thu, Sep 18
KOA
Kona Coast
PWM
Portland
$646 Roundtrip, just found
$646
Roundtrip
just found
Select Delta flight, departing Thu, Sep 4 from Kona Coast to Portland, returning Thu, Sep 18, priced at $646 just found
Delta
Sun, Sep 7 - Sat, Sep 20
KOA
Kona Coast
PWM
Portland
$647 Roundtrip, just found
$647
Roundtrip
just found
Select Delta flight, departing Sun, Sep 7 from Kona Coast to Portland, returning Sat, Sep 20, priced at $647 just found
Delta
Mon, Aug 25 - Wed, Sep 10
KOA
Kona Coast
PWM
Portland
$649 Roundtrip, found 3 days ago
$649
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Aug 25 from Kona Coast to Portland, returning Wed, Sep 10, priced at $649 found 3 days ago
Delta
Mon, May 19 - Thu, Jun 5
KOA
Kona Coast
PWM
Portland
$651 Roundtrip, found 1 day ago
$651
Roundtrip
found 1 day ago
Select Delta flight, departing Mon, May 19 from Kona Coast to Portland, returning Thu, Jun 5, priced at $651 found 1 day ago
Flights from Kailua-Kona (KOA) to Portland (PWM)
Origin airport
Kona Intl.
Destination airport
Portland Intl. Jetport
Airlines serving
American Airlines, Delta, JetBlue Airways, United
Roundtrip price
$527
Distance
5079 mi

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 September. 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 $302 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. Jetport Airport (PWM) cost?
Discover the latest flight deals from KOA to PWM by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from KOA to PWM?
The cheapest flights from KOA to PWM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KOA to PWM?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from KOA to PWM. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Kona Intl. Airport (KOA) to Portland Intl. Jetport Airport (PWM)?
There are no daily direct flights from Kona Intl. Airport (KOA) to Portland Intl. Jetport Airport (PWM). But you can book flights with layovers. Filter your search on Expedia to include one or more stops, and you’ll be on your way in no time at all.
What day of the week has the most flights from KOA to PWM?
Usually you’ll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kona Intl. Airport (KOA) to Portland Intl. Jetport Airport (PWM)?
To avoid potential delays on the Kona Intl. Airport (KOA) to Portland Intl. Jetport Airport (PWM) route, aim to travel before 3 PM. Departures after this hour are 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.
Is it cheaper to buy a plane ticket from Kona Intl. Airport (KOA) to Portland Intl. Jetport Airport (PWM) last-minute?
Last-minute bookings from KOA to PWM are usually more expensive. To lock in the best rates, start searching for flights early. That being said, if you can play around with your travel dates, it’s possible to score a cheap ticket right before your journey.
Is it cheaper to book a KOA to PWM flight and hotel package?
Compared with arranging hotels and flights separately, booking a KOA to PWM flight and hotel package with Expedia could lead to significant savings. What’s more, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kona Intl. Airport (KOA) to Portland Intl. Jetport Airport (PWM)?
Typically, it’s possible to cancel or reschedule your KOA to PWM flight. However, if it’s been more than 24 hours since booking, additional fees may apply. Check your airline’s policies in your itinerary to see what changes are allowed and if any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.