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Kailua-Kona

$265+ 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — KOA
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Philadelphia to Kona Intl are usually found in September or January, booked 80 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 September 17, 2025.

Round-trip from

$494
(Delta)

One-way from

$265
(Delta)

Popular in

December

Cheapest in

September

Average price

$535
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, 0% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 17, 2025.

This Delta deal was found by Cheapflights users on 9/16. 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 10/266:00 amPHL - KOA
2 stops17h 30mDelta
Tue 11/49:30 pmKOA - PHL
2 stops15h 08mDelta
Deal found 9/16$494
This Delta deal was found by Cheapflights users on 9/16. 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 11/156:00 amPHL - KOA
2 stops18h 25mDelta
Mon 11/248:53 pmKOA - PHL
2 stops15h 44mDelta
Deal found 9/16$534
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 11/257:05 amPHL - KOA
1 stop14h 42mAmerican Airlines
Tue 12/29:35 pmKOA - PHL
1 stop12h 09mAmerican Airlines
Deal found 9/15$549
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 10/268:08 amPHL - KOA
1 stop13h 10mUnited Airlines
Tue 11/42:40 pmKOA - PHL
2 stops14h 44mUnited Airlines
Deal found 9/16$554
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Tue 11/257:05 amPHL - KOA
1 stop14h 42mAmerican Airlines
Thu 12/44:40 pmKOA - PHL
2 stops13h 50mAmerican Airlines
Deal found 9/15$555
This American Airlines deal was found by Cheapflights users on 9/16. 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.
Tue 11/117:05 amPHL - KOA
1 stop14h 42mAmerican Airlines
Sat 11/229:35 pmKOA - PHL
1 stop13h 28mAmerican Airlines
Deal found 9/16$579
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 11/156:16 amPHL - KOA
1 stop13h 26mUnited Airlines
Mon 11/248:55 pmKOA - PHL
1 stop13h 47mUnited Airlines
Deal found 9/16$581
This United Airlines deal was found by Cheapflights users on 9/14. 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 11/126:00 amPHL - KOA
2 stops15h 18mUnited Airlines
Sat 11/228:55 pmKOA - PHL
1 stop13h 47mUnited Airlines
Deal found 9/14$584
This American Airlines deal was found by Cheapflights users on 9/16. 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 12/55:00 amPHL - KOA
2 stops16h 33mAmerican Airlines
Fri 12/129:55 pmKOA - PHL
1 stop13h 24mAmerican Airlines
Deal found 9/16$585

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 September 17, 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

Sun 10/26

8:08 am-3:18 pm

1 stop13h 10m

Kona Intl

Tue 11/4

8:55 pm-3:42 pm

1 stop13h 47m

$549

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Sun 10/26

6:00 am-5:30 pm

2 stops17h 30m

Kona Intl

Tue 11/4

9:30 pm-5:38 pm

2 stops15h 08m

$560

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Wed 11/12

6:00 am-4:18 pm

2 stops15h 18m

Kona Intl

Sat 11/22

8:55 pm-3:42 pm

1 stop13h 47m

$584

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Tue 3/3

6:35 pm-4:33 pm

2 stops26h 58m

Kona Intl

Wed 3/4

9:00 pm-5:31 pm

2 stops15h 31m

$602

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Wed 11/12

7:05 am-4:47 pm

1 stop14h 42m

Kona Intl

Sat 11/22

9:35 pm-4:03 pm

1 stop13h 28m

$606

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Fri 10/31

7:00 am-2:31 pm

1 stop13h 31m

Kona Intl

Sat 11/8

4:32 pm-9:17 am

1 stop11h 45m

$609

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Tue 11/25

7:05 am-4:47 pm

1 stop14h 42m

Kona Intl

Tue 12/2

4:32 pm-11:30 am

2 stops13h 58m

$611

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Wed 3/4

8:35 am-8:12 pm

2 stops16h 37m

Kona Intl

Sun 3/8

5:30 pm-11:51 am

1 stop12h 21m

$612

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Tue 11/25

7:10 am-6:26 am

2 stops28h 16m

Kona Intl

Thu 12/4

7:50 pm-5:54 pm

2 stops17h 04m

$614

PhiladelphiaKailua-Kona

PHL - KOA

PHLKOA

Philadelphia

Mon 12/8

5:30 am-7:26 pm

2 stops18h 56m

$265

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 17 results
1
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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 September 12, 2025.

To ensure you get the cheapest price possible for a flight from Philadelphia to Kailua-Kona, you should look to book at least 80 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 September 17, 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 September 17, 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

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
8,926 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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 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 $549, United Airlines can have you in Kailua-Kona from Philadelphia in 13h 10m. 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 United Airlines is currently your cheapest option to Kailua-Kona, with prices starting at $487. Additional round-trip tickets that might be worth considering are offered by American Airlines and Alaska Airlines, with the lowest prices starting at $492 and $567, respectively. Users have found that United Airlines is 36% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $265. However, be on the lookout for offers from American Airlines and United Airlines, as they are both options that can get you from Philadelphia to Kailua-Kona for a low price.

  • 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

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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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$487Average$883FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$492Average$751FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$567Average$834FlexibilityNo cancel feeOn-time75%

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