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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 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find cheap flights from Kailua-Kona to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$277
(Delta)

One-way from

$139
(American Airlines)

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
Search Deals
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.
Search Deals

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 October 23, 2025.

This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 12/178:43 pmKOA - PDX
1 stop12h 12mDelta
Mon 1/510:00 amPDX - KOA
1 stop10h 00mDelta
Deal found 10/21$277
This Delta deal was found by Cheapflights users on 10/21. 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 12/229:55 pmKOA - PDX
1 stop8h 43mDelta
Mon 1/511:10 amPDX - KOA
1 stop9h 45mDelta
Deal found 10/21$310
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 12/178:43 pmKOA - PDX
1 stop12h 12mDelta
Sat 1/39:19 amPDX - KOA
1 stop12h 23mDelta
Deal found 10/21$317
This Delta deal was found by Cheapflights users on 10/21. 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 12/198:43 pmKOA - PDX
1 stop25h 12mDelta
Tue 1/69:10 amPDX - KOA
1 stop11h 45mDelta
Deal found 10/21$320
This Delta deal was found by Cheapflights users on 10/22. 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.
Wed 11/268:30 pmKOA - PDX
1 stop10h 01mDelta
Mon 12/111:35 amPDX - KOA
1 stop8h 38mDelta
Deal found 10/22$321
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 12/178:43 pmKOA - PDX
1 stop12h 12mDelta
Sun 1/46:50 amPDX - KOA
1 stop14h 52mDelta
Deal found 10/21$327
This Delta deal was found by Cheapflights users on 10/21. 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 12/219:55 pmKOA - PDX
1 stop22h 04mDelta
Mon 1/511:10 amPDX - KOA
1 stop9h 45mDelta
Deal found 10/21$330
This Delta deal was found by Cheapflights users on 10/21. 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.
Wed 12/178:43 pmKOA - PDX
1 stop9h 45mDelta
Fri 1/25:30 amPDX - KOA
1 stop16h 12mDelta
Deal found 10/21$345
This Delta deal was found by Cheapflights users on 10/21. 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.
Sat 12/209:55 pmKOA - PDX
1 stop24h 00mDelta
Tue 1/69:10 amPDX - KOA
1 stop11h 45mDelta
Deal found 10/21$350
This Delta deal was found by Cheapflights users on 10/21. 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 12/198:43 pmKOA - PDX
1 stop9h 55mDelta
Sat 1/39:19 amPDX - KOA
1 stop12h 23mDelta
Deal found 10/21$358
This Delta deal was found by Cheapflights users on 10/21. 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 12/2210:55 pmKOA - PDX
1 stop10h 06mDelta
Thu 1/15:30 amPDX - KOA
1 stop16h 12mDelta
Deal found 10/21$360

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 October 23, 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

Thu 12/18

8:43 pm-8:28 am

1 stop9h 45m

Portland

Mon 1/5

11:10 am-6:55 pm

1 stop9h 45m

$277

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Wed 12/17

8:43 pm-10:55 am

1 stop12h 12m

Portland

Wed 1/7

9:10 am-6:55 pm

1 stop11h 45m

$277

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Tue 12/23

9:55 pm-11:38 am

1 stop11h 43m

Portland

Sat 1/3

6:50 am-7:42 pm

1 stop14h 52m

$317

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Fri 12/19

8:43 pm-11:55 pm

1 stop25h 12m

Portland

Mon 1/5

10:00 am-6:00 pm

1 stop10h 00m

$320

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Wed 11/26

8:30 pm-8:31 am

1 stop10h 01m

Portland

Mon 12/1

11:35 am-6:13 pm

1 stop8h 38m

$321

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Tue 12/23

10:55 pm-11:01 am

1 stop10h 06m

Portland

Sun 1/4

5:15 am-7:42 pm

1 stop16h 27m

$327

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Thu 12/18

9:30 pm-9:50 am

1 stop10h 20m

Portland

Sun 1/4

6:50 am-7:42 pm

1 stop14h 52m

$327

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Tue 12/9

8:43 pm-10:55 am

1 stop12h 12m

Portland

Fri 12/12

9:10 am-6:20 pm

1 stop11h 10m

$364

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Tue 12/23

9:55 pm-11:38 am

1 stop11h 43m

Portland

Wed 1/7

7:10 am-6:00 pm

2 stops12h 50m

$365

Kailua-KonaPortland

KOA - PDX

KOAPDX

Kona Intl

Sat 12/20

9:55 pm-11:55 pm

1 stop24h 00m

Portland

Sat 1/3

9:19 am-7:42 pm

1 stop12h 23m

$371

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 23 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*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star

*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 FlightHub the most. FlightHub 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 17, 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 October 23, 2025.

It’s optimal to fly from Kailua-Kona to Portland in the evening. By choosing this option you can save up to 32% 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 19, 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 October 23, 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
11,161 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

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
11,161 reviews
Alaska Airlines
8.0
Very good
11,161 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

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
7,982 reviews
Alaska Airlines
8.0
Very good
11,161 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

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
2,789 reviews
Alaska Airlines
8.0
Very good
11,161 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

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
8,995 reviews
Alaska Airlines
8.0
Very good
11,161 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

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
11,161 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Crew

8.5

Overall

8.0

Boarding

8.1

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.

  • What airports do I use to fly from Kailua-Kona to Portland?

    If you wish to fly to Portland from Kailua-Kona, then you need to book flights from Kona Intl to Portland. There is 1 flight from Kona Intl (KOA) to Portland (PDX) per day to choose from. Flights to Portland from Kona Intl are available from 6 different airlines, which means you should have some options if you want to compare airfare deals. 5h 34m is how long a nonstop flight from Kailua-Kona to Portland typically takes.

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

    Departing from Kailua-Kona to Portland will take you 9h 45m. Kailua-Kona and Portland are separated by a distance of 2606 mi.

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

    Currently priced at $177, Hawaiian Airlines will fly you from Kailua-Kona to Portland and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $231 and $248, respectively. Hawaiian Airlines is priced at 63% 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 Southwest. According to our data, you can fly for as low as $139. Users have also found prices from $139 and $139 on United Airlines and Delta, respectively.

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

    Looking at all options, your cheapest flight can be booked for $191. While the most popular route (Kona Intl - Portland) can be booked for $348 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?

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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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$177Average$533FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$231Average$388FlexibilityNo cancel feeOn-time69%
DeltaCheapest$248Average$350FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$297Average$377FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$327Average$627FlexibilityNo cancel feeOn-time63%
Alaska AirlinesCheapest$343Average$558FlexibilityNo cancel feeOn-time75%

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