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Kailua-Kona

$149+ Cheap flights from Portland to Kailua-Kona (PDX - KOA)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — KOA
Aug 2 — Aug 91
Sat 8/2
Sat 8/9
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Kona Intl are usually found in September or January, booked 6 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Portland to Kailua-Kona

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Kailua-Kona (KOA). 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 July 28, 2025.

Round-trip from

$347
(American Airlines)

One-way from

$149
(American Airlines)

Popular in

June

Cheapest in

September

Average price

$607

Good round-trip deal

$407 or less

Good one-way deal

$394 or less
From Portland to Kona Intl
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One-way flight from Portland to Kona Intl
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Highest demand for flights based on searches. 17% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Portland to Kona Intl.
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Price to beat on a one-way flight from Portland to Kona Intl.
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Find flight deals from Portland to Kailua-Kona

Cheapest flights from Portland to Kailua-Kona
Explore the most affordable flight options available from Portland to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2025.

This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/85:16 amPDX - KOA
1 stop12h 09mAmerican Airlines
Thu 9/189:55 pmKOA - PDX
1 stop9h 40mAmerican Airlines
Deal found 7/28$347
This Kiwi.com deal was found by Cheapflights users on 7/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:56 amPDX - KOA
Nonstop6h 01mAlaska Airlines
Thu 10/239:20 pmKOA - PDX
1 stop10h 33mAlaska Airlines
Deal found 7/26$359
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:30 amPDX - KOA
Nonstop5h 58mHawaiian Airlines
Thu 9/1812:16 pmKOA - PDX
Nonstop5h 34mHawaiian Airlines
Deal found 7/28$378
This United Airlines deal was found by Cheapflights users on 7/26. 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.
Wed 10/85:30 amPDX - KOA
1 stop8h 56mUnited Airlines
Tue 10/211:40 pmKOA - PDX
1 stop7h 48mUnited Airlines
Deal found 7/26$397
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:15 amPDX - KOA
2 stops13h 20mDelta
Tue 9/309:30 pmKOA - PDX
1 stop9h 57mDelta
Deal found 7/28$402
This Southwest deal was found by Cheapflights users on 7/27. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:35 amPDX - KOA
1 stop9h 30mSouthwest
Sun 9/148:30 pmKOA - PDX
2 stops12h 20mSouthwest
Deal found 7/27$412

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Kailua-Kona 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 July 28, 2025.
Use the filters below to find and compare flights from Portland to Kailua-Kona that are best for you.

Fly from

Portland

Fly to

Kailua-Kona

Route

Depart

Return

Price

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Mon 9/8

5:16 am-2:25 pm

1 stop12h 09m

Kona Intl

Thu 9/18

9:55 pm-10:35 am

1 stop9h 40m

$347

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Tue 10/14

7:56 am-10:57 am

Nonstop6h 01m

Kona Intl

Thu 10/23

9:20 pm-10:53 am

1 stop10h 33m

$359

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Mon 9/8

9:30 am-12:28 pm

Nonstop5h 58m

Kona Intl

Thu 9/18

12:16 pm-8:50 pm

Nonstop5h 34m

$378

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Wed 10/8

5:30 am-11:26 am

1 stop8h 56m

Kona Intl

Tue 10/21

1:40 pm-12:28 am

1 stop7h 48m

$397

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Thu 9/18

7:15 am-5:35 pm

2 stops13h 20m

Kona Intl

Tue 9/30

9:30 pm-10:27 am

1 stop9h 57m

$402

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Thu 9/11

6:35 am-1:05 pm

1 stop9h 30m

Kona Intl

Sun 9/14

8:30 pm-11:50 am

2 stops12h 20m

$412

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Wed 9/3

5:16 am-2:25 pm

1 stop12h 09m

$149

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Tue 8/26

9:10 pm-9:27 am

1 stop15h 17m

$180

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Wed 9/3

5:30 am-11:36 am

1 stop9h 06m

$199

PortlandKailua-Kona

PDX - KOA

PDXKOA

Portland

Wed 8/27

7:00 am-12:25 pm

1 stop8h 25m

$214

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 12 results
1
2

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

Have a flexible travel schedule? Discover the best time to fly to Kailua-Kona from Portland 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 Portland to Kailua-Kona

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

Use this chart to determine the optimal time to book a round-trip flight from Portland to Kailua-Kona. Price data was last updated on July 25, 2025.

The price you pay for your flight from Portland to Kailua-Kona may vary depending on when you book. For the best chance of a lower fare, look to book 6 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from Portland to Kailua-Kona (average of $409). Flying from Portland to Kailua-Kona in June is currently the most expensive (average of $624). 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 PDX to KOA?

Find hourly flight availability from Portland to Kailua-Kona. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2025.

It’s typically best to fly out from Portland to Kailua-Kona in the evening. Doing so could potentially save you 53% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly round-trip from Portland to Kailua-Kona. Price data was last updated on July 27, 2025.

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

Weekly flight availability from Portland to Kailua-Kona

Explore weekly flight availability from Portland to Kailua-Kona. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 28, 2025.

The most flights from PDX to KOA are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Kailua-Kona

Get insights into the airlines that provide service to Kailua-Kona. 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 Kailua-Kona. Reviews last updated July 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Portland to Kailua-Kona by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,237 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,971 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,604 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,893 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Entertainment

7.1

Crew

8.5

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from Portland to Kailua-Kona. 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 Portland to Kailua-Kona?

    If you book a flight from Portland to Kailua-Kona, you will be flying from Portland to Kona Intl. Flights to Kona Intl (KOA) from Portland (PDX) take 5h 54m for a nonstop flight. There are 2 flights from Portland to Kailua-Kona per day from 6 airlines.

  • How popular is this Portland to Kailua-Kona flight route?

    Flights from Portland to Kona Intl have been viewed 15 times in the past calendar month.

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

    American Airlines, at $347, was found to be the cheapest airline from Portland to Kailua-Kona.Alternate airlines to your destination round-trip include Alaska Airlines and Hawaiian Airlines. American Airlines is 30% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $149. Users have also found prices from $180 and $199 on Alaska Airlines and United Airlines, respectively.

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

    On average you can expect to pay $461 for a flight from Portland to Kailua-Kona. The cheapest flight overall is $189 while the most popular route, (Portland - Kona Intl) is currently priced at $325.

  • Where are the most common layover locations when flying from Portland to Kailua-Kona?

    Flights departing from Portland and landing in Kailua-Kona layover in Honolulu most frequently. Portland to Kailua-Kona flights stop in Kahului the next most.

  • What are some popular things to do or see while on a layover in Honolulu?

    Honolulu travelers tend to visit Honolulu Zoo, Pearl Harbor, and International Market Place more than anywhere else. Honolulu Zoo, Pearl Harbor, and International Market Place can be accessed by traveling approximately 7.8 mi, 3.5 mi, and 7.1 mi, respectively from Honolulu. Travelers can book a car rental at Honolulu for about $60 per day to make their sightseeing more efficient.

  • Where are the least popular layover locations for Portland to Kailua-Kona flights?

    Portland to Kailua-Kona flights have a layover in Seattle the least frequently.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to Kailua-Kona 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 Portland to Kailua-Kona?

    Currently, October is the cheapest month in which you can book a flight from Portland to Kailua-Kona (average of $409). Flying from Portland to Kailua-Kona in June is currently the most expensive (average of $624). 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.

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Alternative routes for Portland to Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
Portland to Honolulu flights
Portland to Kahului flights
Portland to Lihue flights
Boise to Honolulu flights
Boise to Kailua-Kona flights
Boise to Kahului flights
Boise to Lihue flights
Eugene to Kailua-Kona flights
Medford to Honolulu flights
Portland to Hilo flights
Eugene to Kahului flights
Eugene to Honolulu flights
Redmond to Honolulu flights
Eugene to Lihue flights
Medford to Kahului flights
Redmond to Kailua-Kona flights
Yakima to Honolulu flights
Redmond to Kahului flights
Medford to Lihue flights
Redmond to Lihue flights
Medford to Kailua-Kona flights
Portland to Lanai City flights
Eugene to Hilo flights
Portland to Kapalua flights
Pendleton to Honolulu flights
Portland to Hana flights
Boise to Hilo flights
North Bend to Kahului flights
Medford to Hilo flights
Redmond to Kapalua flights
Yakima to Lihue flights
Portland to Waimea (Big Island) flights
Portland to Hoolehua flights
Medford to Kapalua flights
Eugene to Kapalua flights
Boise to Kapalua flights
Boise to Hana flights

Top 6 airlines flying from Portland to Kailua-Kona

Discover the top 6 airlines that operate flights from Portland to Kailua-Kona. 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 July 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$190Average$462FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$215Average$329FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$217Average$521FlexibilityNo cancel feeOn-time63%
DeltaCheapest$241Average$442FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$393FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$312Average$553FlexibilityNo cancel feeOn-time75%

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