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$139+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — PDX
nov. 27 — dic. 41
jue. 11/27
jue. 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Kona Intl to Portland are usually found in October or February, booked 65 days in advance, depart on a Monday or Friday and return on a Tuesday

Cheap 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 octubre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$340
(Delta)

One-way from

$139
(Delta)

Popular in

June

Cheapest in

October

Average price

$377

Good round-trip deal

$412 or less

Good one-way deal

$245 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
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One-way flight from Kona Intl to Portland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($152 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 October 2025
Search Deals
Price to beat on a round-trip flight from Kona Intl to Portland.
Search Deals
Price to beat on a one-way flight from Kona Intl to Portland.
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Find 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 octubre 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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.
lun. 12/229:55 pmKOA - PDX
1 stop8h 43mDelta
mié. 12/319:19 amPDX - KOA
1 stop12h 23mDelta
Deal found 10/27$340
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/2311:30 pmKOA - PDX
1 stop16h 27mAlaska Airlines
lun. 12/295:48 pmPDX - KOA
1 stop20h 17mAlaska Airlines
Deal found 10/28$407
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/2111:35 pmKOA - PDX
1 stop15h 00mAlaska Airlines
mié. 1/145:45 pmPDX - KOA
1 stop21h 09mAlaska Airlines
Deal found 10/28$411
This United Airlines deal was found by Cheapflights users on 10/26. 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.
dom. 11/22:40 pmKOA - PDX
1 stop7h 46mUnited Airlines
dom. 11/96:00 amPDX - KOA
1 stop9h 06mUnited Airlines
Deal found 10/26$417
This Delta deal was found by Cheapflights users on 10/26. 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.
dom. 11/29:30 pmKOA - PDX
2 stops13h 19mDelta
dom. 11/910:35 amPDX - KOA
1 stop10h 50mDelta
Deal found 10/26$422
This Alaska Airlines deal was found by Cheapflights users on 10/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2011:35 pmKOA - PDX
1 stop10h 38mAlaska Airlines
dom. 1/410:21 amPDX - KOA
Nonstop6h 24mAlaska Airlines
Deal found 10/26$426
This American Airlines deal was found by Cheapflights users on 10/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 12/2010:09 pmKOA - PDX
1 stop10h 32mAmerican Airlines
dom. 1/48:35 amPDX - KOA
1 stop12h 16mAmerican Airlines
Deal found 10/26$427
This Delta deal was found by Cheapflights users on 10/27. 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.
vie. 11/78:30 pmKOA - PDX
1 stop12h 00mDelta
lun. 11/1011:35 amPDX - KOA
1 stop8h 38mDelta
Deal found 10/27$437
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/222:25 pmKOA - PDX
1 stop31h 40mAlaska Airlines
lun. 12/293:59 pmPDX - KOA
1 stop8h 31mAlaska Airlines
Deal found 10/27$440

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 octubre 28, 2025.
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

mar. 3/10

11:00 am-10:42 pm

1 stop8h 42m

Portland

mié. 3/11

7:30 am-10:55 am

Nonstop6h 25m

$391

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

jue. 2/12

1:00 pm-8:34 pm

Nonstop5h 34m

Portland

lun. 2/16

6:05 pm-12:45 pm

1 stop20h 40m

$393

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

mar. 3/10

11:00 am-9:50 am

1 stop19h 50m

Portland

mié. 3/11

1:45 pm-9:35 pm

1 stop10h 50m

$401

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

mar. 12/23

11:30 pm-5:57 pm

1 stop16h 27m

Portland

lun. 12/29

5:48 pm-12:05 pm

1 stop20h 17m

$407

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

dom. 12/21

11:35 pm-4:35 pm

1 stop15h 00m

Portland

mié. 1/14

5:45 pm-12:54 pm

1 stop21h 09m

$411

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

mar. 3/10

9:55 pm-11:53 am

1 stop10h 58m

Portland

mié. 3/11

5:10 pm-5:49 pm

1 stop27h 39m

$412

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

sáb. 12/20

11:35 pm-12:13 pm

1 stop10h 38m

Portland

dom. 1/4

10:21 am-2:45 pm

Nonstop6h 24m

$426

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

mié. 12/10

8:43 pm-10:55 am

1 stop12h 12m

$139

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

mié. 12/17

8:43 pm-10:55 am

1 stop12h 12m

$139

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

mié. 1/14

9:42 pm-12:44 pm

2 stops13h 02m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 18 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kailua-Kona-Portland flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from Kailua-Kona to Portland, you should look to book at least 63 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, December is the cheapest month in which you can book a flight from Kailua-Kona to Portland (average of $177). 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 octubre 28, 2025.

It’s optimal to fly from Kailua-Kona to Portland in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Kailua-Kona to Portland?

Use this chart to determine the cheapest time to fly round-trip from Kailua-Kona to Portland. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Kailua-Kona to Portland flight should consider departing on Tuesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Kailua-Kona to Portland flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Kailua-Kona to Portland trip
Airports
KOA

Security lines at KOA are rarely a concern. Expect to wait only 15 to 20 minutes even without TSA PreCheck.

Read more about KOAby Brandon Schultz
PDX

Travel from PDX to downtown Portland via the MAX red line. Trains arrive every 15 minutes and take about 40 minutes.

Read more about PDXby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on PDX and KOA

Brandon Schultz

Brandon Schultz

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 octubre 28, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and Hawaiian Airlines 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
11,203 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,203 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
7.9
Good
7,994 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,794 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
9,001 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
American Airlines
7.2
Good
11,032 reviews
Alaska Airlines
8.0
Very good
11,203 reviews

Crew

8.5

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

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 5h 34m. 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 $217, 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 Hawaiian Airlines - these airlines can fly you to your destination from $248 and $270, respectively. United Airlines is priced at 55% lower than the current average price of a flight leaving 3 months from now.

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

    Looking at all options, your cheapest flight can be booked for $228. While the most popular route (Kona Intl - Portland) can be booked for $340 on average, our data indicates $431 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, December is the cheapest month in which you can book a flight from Kailua-Kona to Portland (average of $177). 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
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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 octubre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$217Average$385FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$350FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$270Average$537FlexibilityNo cancel feeOn-time85%
American AirlinesCheapest$297Average$377FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$327Average$627FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$343Average$558FlexibilityNo cancel feeOn-time75%

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