Kailua-Kona (KOA) to Philadelphia (PHL) cheap flight deal from $549 USD in economy class

AAAmerican Airlines

Round Trip•Economy

KOA

Kona International Airport

Kailua-Kona, United States

PHL

Philadelphia International Airport

Philadelphia, United States

$693 USD

-21%$549 USD

Verified Sep 20, 2025 at 5:33 PM

September 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20$734 21$740 22$729 23$729 24$723 25$724 26$845 27$831 28$850 29$695 30$695 1$643 2$695 3$792 4$691 5$696

Fair Availability

34% of dates checked are available within 10% of the lowest price

Tuesday, September 23rd, 2025

6 round-trip options

Returning

Sun, Sep 28, 2025•5 Day Trip

$878 USD

Google Flights

Returning

Mon, Sep 29, 2025•6 Day Trip

$729 USD

Google Flights

Returning

Tue, Sep 30, 2025•7 Day Trip

$729 USD

Google Flights

Returning

Wed, Oct 1, 2025•8 Day Trip

$782 USD

Google Flights

Returning

Thu, Oct 2, 2025•9 Day Trip

$847 USD

Google Flights

Returning

Tue, Oct 7, 2025•14 Day Trip

$894 USD

Google Flights