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Kailua-Kona

$378+ Cheap flights from Portland, ME to Kailua-Kona (PWM - 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — KOA
Apr 12 — Apr 191
Sun 4/12
Sun 4/19
1 adult, Economy
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Cheap 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 March 13, 2026.

This American Airlines deal was found by Cheapflights users on 3/9. 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 8/106:50 pm
PWM
-
KOA
2 stops25h 18m
American Airlines
Mon 8/249:40 pm
KOA
-
PWM
2 stops13h 46m
American Airlines
Deal found 3/9$793
This United Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 3/265:45 am
PWM
-
KOA
2 stops15h 49m
United Airlines
Mon 3/3010:48 pm
KOA
-
PWM
2 stops16h 52m
United Airlines
Deal found 3/11$805
This United Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 3/275:45 am
PWM
-
KOA
2 stops15h 49m
United Airlines
Tue 3/317:45 pm
KOA
-
PWM
2 stops16h 52m
United Airlines
Deal found 3/12$950
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 3/266:17 am
PWM
-
KOA
3 stops17h 49m
American Airlines
Mon 3/309:17 pm
KOA
-
PWM
2 stops14h 47m
American Airlines
Deal found 3/11$1,377
This American Airlines deal was found by Cheapflights users on 3/12. 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.
Fri 3/276:00 am
PWM
-
KOA
3 stops17h 59m
American Airlines
Tue 3/319:40 pm
KOA
-
PWM
2 stops19h 10m
American Airlines
Deal found 3/12$1,805

Find flight deals from Portland to Kailua-Kona

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 March 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$793
(American Airlines)

One-way from

$378
(Delta)
Provider with most accurate pricing for Portland-Kona Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Kona Intl flights.
Search Deals
From Portland to Kona Intl
Search Deals
One-way flight from Portland to Kona Intl
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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 March 13, 2026.
Use the filters below to find and compare flights from Portland to Kailua-Kona that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandKailua-Kona

PWM - KOA

PWMKOA

Portland

Mon 8/10

6:50 pm-2:08 pm

2 stops25h 18m

Kona Intl

Mon 8/24

9:40 pm-5:26 pm

2 stops13h 46m

$793
Quickest round-trip

PortlandKailua-Kona

PWM - KOA

PWMKOA

Portland

Thu 3/26

5:45 am-3:34 pm

2 stops15h 49m

Kona Intl

Mon 3/30

10:48 pm-9:40 pm

2 stops16h 52m

$805

PortlandKailua-Kona

PWM - KOA

PWMKOA

Portland

Fri 3/27

5:45 am-3:34 pm

2 stops15h 49m

Kona Intl

Tue 3/31

7:45 pm-6:37 pm

2 stops16h 52m

$950

PortlandKailua-Kona

PWM - KOA

PWMKOA

Portland

Fri 3/27

6:00 am-5:59 pm

3 stops17h 59m

Kona Intl

Tue 3/31

9:40 pm-10:50 pm

2 stops19h 10m

$1,805
Cheapest one-way

PortlandKailua-Kona

PWM - KOA

PWMKOA

Portland

Wed 8/19

6:00 am-6:34 pm

2 stops18h 34m

$378
Quickest one-way

PortlandKailua-Kona

PWM - KOA

PWMKOA

Portland

Wed 8/19

6:15 am-6:26 pm

3 stops18h 11m

$734

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

Sorted by cheapest first

Compare providers for flights from Portland to Kailua-Kona

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 Portland to Kailua-Kona in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 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 Portland, Maine-Kailua-Kona flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland, Maine-Kailua-Kona flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-Kailua-Kona flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Kailua-Kona 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 Portland, Maine-Kailua-Kona 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 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

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

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Kailua-Kona (average of $235). Flying from Portland, Maine to Kailua-Kona in January is currently the most expensive (average of $432). 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.

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 March 13, 2026.
Peruse reviews from past customers who have flown with American Airlines from Portland to Kailua-Kona to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,446 reviews

Overall

7.1

Comfort

7.2

Food

6.4

Crew

7.9

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes
American Airlines
7.1
Good
11,446 reviews
American Airlines
7.1
Good
11,446 reviews

Overall

7.1

Comfort

7.2

Food

6.4

Crew

7.9

Boarding

7.5

Entertainment

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Mar 2026

MIA - SFO

Horrible. When they power flights for other airlines there is nothing they can do to change or accommodate any changes

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.

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

    There are many flights that can get you from Portland, Maine to Kailua-Kona in 15h 49m. Fly via American Airlines or United Airlines to get the fastest option. The distance from Portland, Maine to Kailua-Kona is about 5076 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Portland, Maine to Kailua-Kona round-trip?

    According to our current data, American Airlines ($585), offers the cheapest pricing from Portland, Maine to Kailua-Kona.

  • 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, Maine to Kailua-Kona?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Kailua-Kona (average of $235). Flying from Portland, Maine to Kailua-Kona in January is currently the most expensive (average of $432). 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

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Top airline flying from Portland to Kailua-Kona

Discover the top airline 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 March 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$585Average$700FlexibilityNo cancel feeOn-time71%

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