United Cheap Flights from Ontario to Kailua-Kona: UA ONT→KOA

View HK$2,009 flight on Wed, 3 Sep 2025Opens in a new window

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Prices were available within the past 7 days and start at HK$2,009 for one-way flights and HK$3,808 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, 3 Sep - Wed, 10 Sep
ONT
Ontario
KOA
Kona Coast
HK$3,808 Return, found 2 hours ago
HK$3,808
Return
found 2 hours ago
Select United flight, departing Wed, 3 Sep from Ontario to Kona Coast, returning Wed, 10 Sep, priced at HK$3,808 found 2 hours ago
United
Wed, 3 Sep - Wed, 10 Sep
ONT
Ontario
KOA
Kona Coast
HK$4,668 Return, found 2 hours ago
HK$4,668
Return
found 2 hours ago
Select United flight, departing Wed, 3 Sep from Ontario to Kona Coast, returning Wed, 10 Sep, priced at HK$4,668 found 2 hours ago
United
Wed, 3 Sep - Wed, 10 Sep
ONT
Ontario
KOA
Kona Coast
HK$6,238 Return, found 2 hours ago
HK$6,238
Return
found 2 hours ago
Select United flight, departing Wed, 3 Sep from Ontario to Kona Coast, returning Wed, 10 Sep, priced at HK$6,238 found 2 hours ago
Ontario to Kailua-Kona route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Kona Intl.
Airlines serving
Delta
Popular airline
Delta
Distance
4077 km
*Available to Expedia members.