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Kailua-Kona

$247+ Cheap flights from Philadelphia to Kailua-Kona (PHL - 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KOA
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Kona Intl are usually found in January or September, booked 66 days in advance, depart on a Tuesday or Monday and return on a Monday

Cheap flight deals from Philadelphia to Kailua-Kona

Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 August 20, 2025.

Round-trip from

$529
(American Airlines)

One-way from

$247
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$751
From Philadelphia to Kona Intl
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One-way flight from Philadelphia to Kona Intl
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Philadelphia to Kailua-Kona

Cheapest flights from Philadelphia to Kailua-Kona
Explore the most affordable flight options available from Philadelphia to Kailua-Kona. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:35 amPHL - KOA
1 stop13h 27mAmerican Airlines
Fri 11/219:45 pmKOA - PHL
1 stop13h 18mAmerican Airlines
Deal found 8/19$529
This Delta deal was found by Cheapflights users on 8/18. 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.
Wed 9/175:25 amPHL - KOA
2 stops18h 10mDelta
Tue 9/238:44 pmKOA - PHL
2 stops13h 26mDelta
Deal found 8/18$535
This Delta deal was found by Cheapflights users on 8/18. 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 9/146:00 amPHL - KOA
2 stops17h 35mDelta
Tue 9/238:44 pmKOA - PHL
2 stops13h 26mDelta
Deal found 8/18$540
This Delta deal was found by Cheapflights users on 8/18. 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.
Tue 9/166:25 pmPHL - KOA
2 stops29h 10mDelta
Mon 9/228:44 pmKOA - PHL
2 stops20h 35mDelta
Deal found 8/18$543
This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 9/136:51 pmPHL - KOA
2 stops28h 44mDelta
Tue 9/238:44 pmKOA - PHL
2 stops13h 26mDelta
Deal found 8/18$545
This Delta deal was found by Cheapflights users on 8/18. 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 9/146:00 amPHL - KOA
2 stops17h 35mDelta
Mon 9/228:44 pmKOA - PHL
2 stops22h 10mDelta
Deal found 8/18$548
This Delta deal was found by Cheapflights users on 8/18. 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.
Sat 9/135:15 pmPHL - KOA
2 stops30h 20mDelta
Mon 9/228:44 pmKOA - PHL
2 stops20h 35mDelta
Deal found 8/18$553
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:00 amPHL - KOA
1 stop14h 57mAlaska Airlines
Wed 10/158:00 amKOA - PHL
1 stop15h 40mAlaska Airlines
Deal found 8/17$556

Cheapflights Fare Finder

 
Customize your flight search to find flights from Philadelphia 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 August 20, 2025.
Use the filters below to find and compare flights from Philadelphia to Kailua-Kona that are best for you.

Fly from

Philadelphia

Fly to

Kailua-Kona

Route

Depart

Return

Price

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Mon 1/12

10:40 am-7:27 pm

1 stop13h 47m

Kona Intl

Tue 1/27

10:28 pm-5:49 pm

1 stop14h 21m

$529

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Mon 11/10

6:35 am-3:02 pm

1 stop13h 27m

Kona Intl

Fri 11/21

9:45 pm-4:03 pm

1 stop13h 18m

$529

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Wed 9/17

5:25 am-5:35 pm

2 stops18h 10m

Kona Intl

Tue 9/23

8:44 pm-4:10 pm

2 stops13h 26m

$535

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Mon 11/10

8:08 am-4:18 pm

1 stop13h 10m

Kona Intl

Fri 11/21

2:20 pm-10:24 am

2 stops15h 04m

$535

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Wed 9/17

5:25 am-5:35 pm

2 stops18h 10m

Kona Intl

Thu 9/25

9:30 pm-5:44 pm

2 stops14h 14m

$535

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Tue 9/9

5:25 am-7:00 pm

2 stops19h 35m

Kona Intl

Tue 9/16

9:30 pm-5:45 pm

2 stops14h 15m

$535

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Wed 10/15

6:00 am-1:58 pm

1 stop13h 58m

Kona Intl

Wed 10/22

3:29 pm-12:55 pm

2 stops15h 26m

$535

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Tue 9/16

6:25 pm-5:35 pm

2 stops29h 10m

Kona Intl

Tue 9/23

8:44 pm-4:10 pm

2 stops13h 26m

$535

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Sat 10/18

1:02 pm-11:42 am

3 stops28h 40m

$247

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Wed 12/10

7:06 am-5:22 pm

1 stop15h 16m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 19 results
1
2

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to Kailua-Kona. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Kailua-Kona, you should look to book at least 66 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 Philadelphia to Kailua-Kona?

Currently, October is the cheapest month in which you can book a flight from Philadelphia to Kailua-Kona (average of $409). Flying from Philadelphia 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 PHL to KOA?

Find hourly flight availability from Philadelphia 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 August 20, 2025.

One of the essential ways to save on airfare from Philadelphia to Kailua-Kona is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the morning could potentially save you up to 14% on airfare.

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 August 20, 2025.
Get a feel of what it's like to fly with Alaska Airlines, United Airlines, and American Airlines from Philadelphia 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

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.0

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

Related info for your journey

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

    For as low as $529, American Airlines can have you in Kailua-Kona from Philadelphia in 13h 47m. Philadelphia and Kailua-Kona are separated by a distance of 4875 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Flying on American Airlines is currently your cheapest option to Kailua-Kona, with prices starting at $493. Additional round-trip tickets that might be worth considering are offered by United Airlines and Alaska Airlines, with the lowest prices starting at $509 and $567, respectively. Users have found that American Airlines is 35% cheaper than the other options available to this destination.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Philadelphia to Kailua-Kona (average of $409). Flying from Philadelphia 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.

See more FAQs

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Alternative routes for Philadelphia to Kailua-Kona

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Philadelphia to Kailua-Kona

Discover the top 3 airlines that operate flights from Philadelphia 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$493Average$756FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$509Average$872FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$567Average$834FlexibilityNo cancel feeOn-time75%

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