$270 Cheap United flights Philadelphia (PHL) to Kailua-Kona (KOA)

View $270 flight on Wed, Sep 10, 2025Opens in a new window

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$270 Cheap United flights Philadelphia (PHL) to Kailua-Kona (KOA)

Prices were available within the past 7 days and start at $270 for one-way flights and $529 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Nov 4 - Tue, Nov 11
PHL
Philadelphia
KOA
Kona Coast
$529 Roundtrip, found 9 hours ago
$529
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Nov 4 from Philadelphia to Kona Coast, returning Tue, Nov 11, priced at $529 found 9 hours ago
United
Wed, Oct 15 - Wed, Oct 22
PHL
Philadelphia
KOA
Kona Coast
$544 Roundtrip, found 7 hours ago
$544
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Oct 15 from Philadelphia to Kona Coast, returning Wed, Oct 22, priced at $544 found 7 hours ago
United
Tue, Nov 4 - Tue, Nov 11
PHL
Philadelphia
KOA
Kona Coast
$558 Roundtrip, found 9 hours ago
$558
Roundtrip
found 9 hours ago
Select United flight, departing Tue, Nov 4 from Philadelphia to Kona Coast, returning Tue, Nov 11, priced at $558 found 9 hours ago
United
Mon, Feb 2 - Thu, Feb 5
PHL
Philadelphia
KOA
Kona Coast
$560 Roundtrip, found 1 day ago
$560
Roundtrip
found 1 day ago
Select United flight, departing Mon, Feb 2 from Philadelphia to Kona Coast, returning Thu, Feb 5, priced at $560 found 1 day ago
United
Wed, Aug 13 - Wed, Aug 27
PHL
Philadelphia
KOA
Kona Coast
$561 Roundtrip, found 11 hours ago
$561
Roundtrip
found 11 hours ago
Select United flight, departing Wed, Aug 13 from Philadelphia to Kona Coast, returning Wed, Aug 27, priced at $561 found 11 hours ago
United
Wed, Sep 24 - Wed, Oct 1
PHL
Philadelphia
KOA
Kona Coast
$563 Roundtrip, found 7 hours ago
$563
Roundtrip
found 7 hours ago
Select United flight, departing Wed, Sep 24 from Philadelphia to Kona Coast, returning Wed, Oct 1, priced at $563 found 7 hours ago
Flights from Philadelphia (PHL) to Kailua-Kona (KOA)
Origin airport
Philadelphia Intl.
Destination airport
Kona Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, United
Popular airline
Alaska Airlines
Distance
4878 mi

Frequently asked questions

How much is a United Airlines flight from Philadelphia Intl. Airport (PHL) to Kona Intl. Airport (KOA)?
Landing cheap one-way United Airlines flights from PHL to KOA from $270 on Expedia couldn't be simpler --- just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $529 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from PHL to KOA with United Airlines?
Browse for return or one-way flights to Kailua-Kona in October or September. You could find an affordable fare with United Airlines during these quieter months.
What is the cheapest time to book flights from Philadelphia Intl. Airport (PHL) to Kona Intl. Airport (KOA) with United Airlines?
Search for affordable United Airlines flights from Philadelphia Intl. Airport (PHL) to Kona Intl. Airport (KOA) one to three months before your departure day. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Philadelphia Intl. Airport (PHL) to Kona Intl. Airport (KOA)?
To figure out if there's a direct journey from PHL to KOA with United Airlines or another airline, use our "Nonstop" filter when searching for tickets.
What is the earliest United Airlines flight from PHL to KOA?
Sort your results by "Early Morning" and "Morning" to find the earliest departures from PHL to KOA. Taking off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Kailua-Kona?
United Airlines flights from Philadelphia Intl. Airport (PHL) to Kailua-Kona arrive at Kona Intl. Airport (KOA). This is the main gateway to this destination.
Why fly with United Airlines from PHL to KOA?
Fly from PHL to KOA with United Airlines and you can look forward to a range of benefits starting with a rewarding loyalty program. When you book through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Philadelphia Intl. Airport (PHL) to Kona Intl. Airport (KOA)?
You can usually modify or cancel your flight, although additional charges may apply if you made your booking more than 24 hours ago. Need to keep your options open? Apply the "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to alter your plans. To modify your booking, visit "Trips," select your flight and click on "Manage Booking" for further information.

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