Kailua-Kona (KOA) to Washington (IAD) flight deal in economy from $508

Monday, September 14th, 2026

5 round-trip options

Returning
Sun, Sep 20, 20266 Day Trip
$542 USD
Returning
Mon, Sep 21, 20267 Day Trip
$512 USD
Returning
Tue, Sep 22, 20268 Day Trip
$512 USD
Returning
Wed, Sep 23, 20269 Day Trip
$518 USD
Returning
Mon, Sep 28, 202614 Day Trip
$518 USD