Kailua-Kona (KOA) to Philadelphia (PHL) flight deal from $514 USD in economy class

UAUnited Airlines

Round Trip•Economy

KOA

Kona International Airport

Kailua-Kona, United States

PHL

Philadelphia International Airport

Philadelphia, United States

$762 USD

-33%$514 USD

Verified Nov 29, 2025 at 5:29 PM

December 2025

Today

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1$1,219 2$1,612 3$1,811 4$1,182

Fair Availability

31% of dates checked are available within 10% of the lowest price

Friday, December 12th, 2025

6 round-trip options

Returning

Wed, Dec 17, 2025•5 Day Trip

$811 USD

Google Flights

Returning

Thu, Dec 18, 2025•6 Day Trip

$959 USD

Google Flights

Returning

Fri, Dec 19, 2025•7 Day Trip

$1,281 USD

Google Flights

Returning

Sat, Dec 20, 2025•8 Day Trip

$1,393 USD

Google Flights

Returning

Sun, Dec 21, 2025•9 Day Trip

$1,227 USD

Google Flights

Returning

Fri, Dec 26, 2025•14 Day Trip

$1,389 USD

Google Flights