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$128+ Cheap flights from Kailua-Kona to Portland (KOA - PDX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — PDX
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheapflights Tip: The best prices from Kona Intl to Portland are usually found in January or November, booked 69 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from Kailua-Kona to Portland

Cheapest flights from Kailua-Kona to Portland
Explore the most affordable flight options available from Kailua-Kona to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:35 pm
KOA
-
PDX
1 stop7h 59m
United Airlines
Tue 3/101:39 pm
PDX
-
KOA
1 stop9h 12m
United Airlines
Deal found 1/18$282
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/308:55 pm
KOA
-
PDX
1 stop8h 30m
Delta
Mon 5/41:32 pm
PDX
-
KOA
1 stop8h 23m
Delta
Deal found 1/19$288
This Delta deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/258:45 pm
KOA
-
PDX
1 stop11h 22m
Delta
Mon 2/910:30 am
PDX
-
KOA
1 stop10h 00m
Delta
Deal found 1/18$316
This Delta deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/198:45 pm
KOA
-
PDX
1 stop11h 22m
Delta
Mon 2/96:25 am
PDX
-
KOA
1 stop14h 05m
Delta
Deal found 1/18$336
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/209:30 pm
KOA
-
PDX
2 stops13h 14m
Delta
Mon 2/95:30 am
PDX
-
KOA
2 stops15h 00m
Delta
Deal found 1/19$347
This Delta deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/258:45 pm
KOA
-
PDX
1 stop11h 22m
Delta
Sun 2/810:30 am
PDX
-
KOA
1 stop10h 00m
Delta
Deal found 1/18$348
This Delta deal was found by Cheapflights users on 1/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/239:30 pm
KOA
-
PDX
1 stop9h 56m
Delta
Mon 2/910:30 am
PDX
-
KOA
1 stop10h 00m
Delta
Deal found 1/19$366
This Delta deal was found by Cheapflights users on 1/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/198:45 pm
KOA
-
PDX
1 stop9h 48m
Delta
Sun 2/810:30 am
PDX
-
KOA
1 stop10h 00m
Delta
Deal found 1/18$368
This Delta deal was found by Cheapflights users on 1/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/237:40 pm
KOA
-
PDX
1 stop13h 55m
Delta
Mon 3/309:15 am
PDX
-
KOA
1 stop12h 23m
Delta
Deal found 1/17$370

Find flight deals from Kailua-Kona to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Portland (PDX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$282
(United Airlines)

One-way from

$128
(Delta)

Popular in

June

Cheapest in

January

Average price

$277

Good one-way deal

$325 or less
Provider with most accurate pricing for Kona Intl-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kona Intl-Portland flights.
Search Deals
From Kona Intl to Portland
Search Deals
One-way flight from Kona Intl to Portland
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($161 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a one-way flight from Kona Intl to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to Portland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
Use the filters below to find and compare flights from Kailua-Kona to Portland that are best for you.

Fly from

Kailua-Kona

Fly to

Portland

Route

Depart

Return

Price

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Tue 3/3

10:55 pm-12:02 pm

1 stop11h 07m

Portland

Tue 3/10

7:05 am-5:47 pm

2 stops13h 42m

$336

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Thu 4/30

8:55 pm-8:25 am

1 stop8h 30m

Portland

Mon 5/4

7:05 am-5:43 pm

2 stops13h 38m

$336

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Wed 3/4

10:55 pm-12:02 pm

1 stop11h 07m

Portland

Sun 3/8

10:42 am-6:37 pm

1 stop10h 55m

$366

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Wed 2/18

10:40 pm-8:44 pm

1 stop20h 04m

Portland

Mon 3/2

6:25 am-6:59 pm

1 stop14h 34m

$368

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Mon 3/23

7:40 pm-12:35 pm

1 stop13h 55m

Portland

Mon 3/30

9:15 am-6:38 pm

1 stop12h 23m

$370

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Mon 2/2

2:34 pm-12:39 am

1 stop8h 05m

Portland

Fri 2/6

7:45 am-2:44 pm

1 stop8h 59m

$376

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Thu 2/19

8:55 pm-9:15 am

1 stop10h 20m

Portland

Thu 2/26

5:30 am-6:30 pm

2 stops15h 00m

$376

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Mon 3/23

3:59 pm-1:32 pm

1 stop18h 33m

Portland

Mon 3/30

7:45 am-10:59 am

Nonstop6h 14m

$405

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Mon 2/2

10:55 pm-12:44 pm

2 stops11h 49m

Portland

Fri 2/6

5:30 am-6:30 pm

2 stops15h 00m

$407

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Tue 2/24

9:25 pm-11:45 am

1 stop12h 20m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 17 results
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Compare providers for flights from Kailua-Kona to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kailua-Kona to Portland in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kailua-Kona-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kailua-Kona-Portland flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Portland flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kailua-Kona to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Kailua-Kona with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kailua-Kona to Portland

How far ahead should I book a flight from Kailua-Kona to Portland?

Use this chart to determine the optimal time to book a round-trip flight from Kailua-Kona to Portland. Price data was last updated on January 16, 2026.

To ensure you get the cheapest price possible for a flight from Kailua-Kona to Portland, you should look to book at least 69 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Kailua-Kona to Portland?

Currently, November is the cheapest month in which you can book a flight from Kailua-Kona to Portland (average of $257). Flying from Kailua-Kona to Portland in July is currently the most expensive (average of $537). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from KOA to PDX?

Find hourly flight availability from Kailua-Kona to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kailua-Kona to Portland as you normally would.

The best insider tips for Kailua-Kona to Portland flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Portland trip
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PDX and KOA

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated January 20, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Kailua-Kona to Portland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,763 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,763 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Delta
7.9
Good
8,081 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Hawaiian Airlines
7.8
Good
2,829 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
United Airlines
7.4
Good
9,188 reviews
Alaska Airlines
8.0
Very good
11,763 reviews

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kailua-Kona to Portland?

    Departing from Kailua-Kona to Portland will take you 11h 07m. Kailua-Kona and Portland are separated by a distance of 2606 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Kailua-Kona to Portland round-trip?

    Currently priced at $231, United Airlines will fly you from Kailua-Kona to Portland and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and American Airlines - these airlines can fly you to your destination from $233 and $313, respectively. United Airlines is priced at 52% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Kailua-Kona to Portland one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $128. Users have also found prices from $128 and $140 on Delta and American Airlines, respectively.

  • What are the cheapest flights from Kailua-Kona to Portland?

    Looking at all options, your cheapest flight can be booked for $268. While the most popular route (Kona Intl - Portland) can be booked for $282 on average, our data indicates $409 when flying from Kailua-Kona to Portland.

  • Can I find deals for flights from Kailua-Kona to Portland that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kailua-Kona to Portland.

  • Can I find deals for business class flights from Kailua-Kona to Portland?

    Yes. Cheapflights offers flight deals from Kailua-Kona to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kailua-Kona to Portland?

    Currently, November is the cheapest month in which you can book a flight from Kailua-Kona to Portland (average of $257). Flying from Kailua-Kona to Portland in July is currently the most expensive (average of $537). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Vancouver
Seaside
Clackamas
Lincoln City
Longview
Lake Oswego
Beaverton
Hillsboro
Troutdale
Cannon Beach
Long Beach
McMinnville
Tigard
The Dalles
Depoe Bay
Stevenson
Wilsonville
Tillamook
Pacific City
Gresham

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Kailua-Kona to Portland

Discover the top 6 airlines that operate flights from Kailua-Kona to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$231Average$385FlexibilityNo cancel feeOn-time69%
DeltaCheapest$233Average$347FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$313Average$373FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$327Average$560FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$383Average$547FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$407Average$627FlexibilityNo cancel feeOn-time63%

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