$109 Cheap United flights Kailua-Kona (KOA) to Portland (PDX)

View $109 flight on Mon, Jan 12, 2026Opens in a new window
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$109 Cheap United flights Kailua-Kona (KOA) to Portland (PDX)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Jan 12 - Tue, Jan 13
KOA
Kona Coast
PDX
Portland
$217 Roundtrip, just found
$217
Roundtrip
just found
Select United flight, departing Mon, Jan 12 from Kona Coast to Portland, returning Tue, Jan 13, priced at $217 just found
United
Mon, Jan 12 - Mon, Jan 19
KOA
Kona Coast
PDX
Portland
$243 Roundtrip, found 6 days ago
$243
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 12 from Kona Coast to Portland, returning Mon, Jan 19, priced at $243 found 6 days ago
United
Mon, Jan 12 - Mon, Jan 19
KOA
Kona Coast
PDX
Portland
$255 Roundtrip, found 6 days ago
$255
Roundtrip
found 6 days ago
Select United flight, departing Mon, Jan 12 from Kona Coast to Portland, returning Mon, Jan 19, priced at $255 found 6 days ago
United
Mon, Jan 12 - Tue, Jan 13
KOA
Kona Coast
PDX
Portland
$262 Roundtrip, just found
$262
Roundtrip
just found
Select United flight, departing Mon, Jan 12 from Kona Coast to Portland, returning Tue, Jan 13, priced at $262 just found
United
Thu, Dec 25 - Sun, Jan 4
KOA
Kona Coast
PDX
Portland
$287 Roundtrip, found 1 day ago
$287
Roundtrip
found 1 day ago
Select United flight, departing Thu, Dec 25 from Kona Coast to Portland, returning Sun, Jan 4, priced at $287 found 1 day ago
United
Wed, Mar 4 - Mon, Mar 9
KOA
Kona Coast
PDX
Portland
$305 Roundtrip, found 1 day ago
$305
Roundtrip
found 1 day ago
Select United flight, departing Wed, Mar 4 from Kona Coast to Portland, returning Mon, Mar 9, priced at $305 found 1 day ago
United
Mon, Jan 19 - Sat, Jan 24
KOA
Kona Coast
PDX
Portland
$305 Roundtrip, found 4 days ago
$305
Roundtrip
found 4 days ago
Select United flight, departing Mon, Jan 19 from Kona Coast to Portland, returning Sat, Jan 24, priced at $305 found 4 days ago
United
Wed, Feb 25 - Mon, Mar 2
KOA
Kona Coast
PDX
Portland
$306 Roundtrip, found 1 day ago
$306
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 25 from Kona Coast to Portland, returning Mon, Mar 2, priced at $306 found 1 day ago
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
Popular airline
Alaska Airlines
Distance
2607 mi
Average flight time
5 hours 38 mins

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Frequently asked questions

How much is a United Airlines flight from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
You'll find affordable return United Airlines flights from $217 from KOA to PDX by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $109 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from KOA to PDX with United Airlines?
Search for round-trip or one-way flights to Portland in January or December. You could find an affordable fare with United Airlines during these off-peak times.
What is the cheapest time to book flights from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX) with United Airlines?
Search for affordable United Airlines flights from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX) one to three months ahead of your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the best day to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
Fill in your dates, click search and tick the "Nonstop" filter on Expedia to browse any direct flights from KOA to PDX with United Airlines or other airlines.
What is the earliest United Airlines flight from KOA to PDX?
Search United Airlines's earliest flights from KOA to PDX by checking our "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Portland?
United Airlines flights from Kona Intl. Airport (KOA) to Portland arrive at Portland Intl. Airport (PDX). This is the main entry point here.
Why fly with United Airlines from KOA to PDX?
A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to fly from KOA to PDX with United Airlines. Plus, when you sign up to our One Key™ program, you can earn OneKeyCash™* alongside United Airlines's loyalty program earnings. It's yours to spend on future travel plans.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Kona Intl. Airport (KOA) to Portland Intl. Airport (PDX)?
Depending on the ticket type you purchased, a fee may apply if you cancel or change your booking more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our "Changes included" or "No cancel fee" filter while searching for flights. For additional information on canceling or changing your reservation, visit "Trips," select your flight and tick "Manage Booking."

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