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$214+ Cheap flights from Kailua-Kona to Philadelphia (KOA - PHL)

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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — PHL
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
1 adult, Economy
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Cheap flight deals from Kailua-Kona to Philadelphia

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Philadelphia (PHL). 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 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$519
(Alaska Airlines)

One-way from

$214
(Kiwi.com)

Popular in

January

Cheapest in

October

Average price

$585
Provider with most accurate pricing for Kona Intl-Philadelphia flight deals.
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Provider most trusted by Cheapflights users for Kona Intl-Philadelphia flights.
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From Kona Intl to Philadelphia
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One-way flight from Kona Intl to Philadelphia
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Highest demand for flights based on searches. 25% potential increase in price ($291 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($97 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Kailua-Kona to Philadelphia

Cheapest flights from Kailua-Kona to Philadelphia
Explore the most affordable flight options available from Kailua-Kona to Philadelphia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2025.

This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:30 pmKOA - PHL
2 stops15h 58mUnited Airlines
Tue 1/68:09 amPHL - KOA
1 stop13h 32mUnited Airlines
Deal found 10/21$716
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:30 pmKOA - PHL
2 stops15h 58mUnited Airlines
Mon 1/56:35 amPHL - KOA
2 stops15h 06mUnited Airlines
Deal found 10/21$722
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:30 pmKOA - PHL
2 stops15h 58mUnited Airlines
Sun 1/46:00 amPHL - KOA
2 stops15h 41mUnited Airlines
Deal found 10/21$726
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:30 pmKOA - PHL
2 stops15h 58mUnited Airlines
Sat 1/36:35 amPHL - KOA
1 stop14h 56mUnited Airlines
Deal found 10/21$746
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/218:30 pmKOA - PHL
2 stops15h 58mUnited Airlines
Fri 1/28:27 amPHL - KOA
2 stops17h 43mUnited Airlines
Deal found 10/21$752
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.
Tue 12/29:30 pmKOA - PHL
2 stops14h 32mDelta
Tue 12/165:30 amPHL - KOA
2 stops19h 00mDelta
Deal found 10/22$774

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to Philadelphia 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 22, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Philadelphia that are best for you.

Fly from

Kailua-Kona

Fly to

Philadelphia

Route

Depart

Return

Price

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Thu 2/19

7:13 pm-5:31 pm

2 stops17h 18m

Philadelphia

Thu 2/26

6:35 pm-10:35 pm

1 stop33h 00m

$519

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Thu 2/19

9:00 pm-5:31 pm

2 stops15h 31m

Philadelphia

Wed 2/25

6:35 pm-10:35 pm

1 stop33h 00m

$519

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Wed 2/18

7:13 pm-5:31 pm

2 stops17h 18m

Philadelphia

Thu 2/26

6:35 pm-10:35 pm

1 stop33h 00m

$519

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Wed 2/18

7:55 pm-5:31 pm

2 stops16h 36m

Philadelphia

Wed 2/25

6:35 pm-9:55 pm

2 stops32h 20m

$534

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Wed 2/18

7:13 pm-5:31 pm

2 stops17h 18m

Philadelphia

Sun 3/1

6:35 pm-5:27 pm

2 stops27h 52m

$564

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Thu 2/19

9:00 pm-5:31 pm

2 stops15h 31m

Philadelphia

Sun 3/1

6:35 pm-4:33 pm

2 stops26h 58m

$564

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Wed 2/18

10:00 pm-5:31 pm

1 stop14h 31m

Philadelphia

Fri 2/27

6:35 pm-10:35 pm

1 stop33h 00m

$596

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Thu 2/19

7:55 pm-5:31 pm

2 stops16h 36m

Philadelphia

Sat 2/28

6:35 pm-4:33 pm

2 stops26h 58m

$607

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Wed 2/18

7:13 pm-5:31 pm

2 stops17h 18m

Philadelphia

Sat 2/28

6:35 pm-5:27 pm

2 stops27h 52m

$607

Kailua-KonaPhiladelphia

KOA - PHL

KOAPHL

Kona Intl

Fri 2/20

8:55 pm-5:14 pm

2 stops15h 19m

Philadelphia

Sat 2/28

10:06 am-8:51 pm

2 stops15h 45m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/22

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on Kailua-Kona-Philadelphia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kailua-Kona-Philadelphia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kailua-Kona-Philadelphia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kailua-Kona-Philadelphia 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-Philadelphia 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 Philadelphia

Have a flexible travel schedule? Discover the best time to fly to Philadelphia 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 Philadelphia

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

Currently, April is the cheapest month in which you can book a flight from Kailua-Kona to Philadelphia (average of $398). Flying from Kailua-Kona to Philadelphia in February is currently the most expensive (average of $835). 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 PHL?

Find hourly flight availability from Kailua-Kona to Philadelphia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 22, 2025.

One of the essential ways to save on airfare from Kailua-Kona to Philadelphia 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 11% on airfare.

Reviews of airlines servicing Philadelphia

Get insights into the airlines that provide service to Philadelphia. 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 Philadelphia. Reviews last updated October 22, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines, and United Airlines from Kailua-Kona to Philadelphia 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
11,151 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

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
11,151 reviews
Alaska Airlines
8.0
Very good
11,151 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

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
2,788 reviews
Alaska Airlines
8.0
Very good
11,151 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

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
8,988 reviews
Alaska Airlines
8.0
Very good
11,151 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

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
11,028 reviews
Alaska Airlines
8.0
Very good
11,151 reviews

Comfort

7.8

Overall

8.0

Entertainment

7.0

Crew

8.5

Boarding

8.1

Food

7.1

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 Philadelphia. 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 Kailua-Kona to Philadelphia?

    A quick flight from Kailua-Kona to Philadelphia can take about 17h 18m. Alaska Airlines provides one of the quickest options available for as low as $519. There are 4875 mi between Kailua-Kona and Philadelphia.

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

    Our cheapest airline available from Kailua-Kona to Philadelphia is American Airlines. Our recent data shows that you can find tickets from as low as $529 on this airline. Additional options worth looking into are United Airlines and Alaska Airlines, starting at $533 and $544 round-trip. American Airlines is currently priced 37% below the average price you’ll pay for this route.

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

    $271 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Alaska Airlines and Delta, with prices starting from $271 and $276, respectively.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Kailua-Kona to Philadelphia (average of $398). Flying from Kailua-Kona to Philadelphia in February is currently the most expensive (average of $835). 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 Philadelphia?

Book flights to Philadelphia if you plan to visit one of these locations
Wildwood
King of Prussia
Pottstown
Reading
Ocean City
Cherry Hill
Dewey Beach
Ephrata
Camden
Vineland
Milford
Dover
Elkton
Essington
Willow Grove
Newark
Millville
Chester
Exton
Havre de Grace

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Alternative routes for Kailua-Kona to Philadelphia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Kailua-Kona to Philadelphia

Discover the top 4 airlines that operate flights from Kailua-Kona to Philadelphia. 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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$529Average$723FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$533Average$637FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$544Average$593FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$565Average$699FlexibilityNo cancel feeOn-time85%

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