Cheap flights from Riverside to Hilo from CA $179

View CA $179 flight on Mon, Sep. 15, 2025Opens in a new window

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Cheap flights from Riverside (QLA) to Hilo (KOA)

Prices were available within the past 7 days and start at CA $179 for one-way flights and CA $377 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, Oct. 23 - Wed, Oct. 29
ONT
Ontario
KOA
Kona Coast
CA $377 Roundtrip, found 4 hours ago
CA $377
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Oct. 23 from Ontario to Kona Coast, returning Wed, Oct. 29, priced at CA $377 found 4 hours ago
Delta
Thu, Oct. 23 - Wed, Oct. 29
SNA
Orange County
KOA
Kona Coast
CA $377 Roundtrip, found 4 hours ago
CA $377
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Oct. 23 from Orange County to Kona Coast, returning Wed, Oct. 29, priced at CA $377 found 4 hours ago
Alaska Airlines
Thu, Oct. 23 - Wed, Oct. 29
LGB
Long Beach
KOA
Kona Coast
CA $432 Roundtrip, found 4 hours ago
CA $432
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Thu, Oct. 23 from Long Beach to Kona Coast, returning Wed, Oct. 29, priced at CA $432 found 4 hours ago
Hawaiian Airlines
Thu, Oct. 23 - Wed, Oct. 29
LGB
Long Beach
KOA
Kona Coast
CA $432 Roundtrip, found 4 hours ago
CA $432
Roundtrip
found 4 hours ago
Select Hawaiian Airlines flight, departing Thu, Oct. 23 from Long Beach to Kona Coast, returning Wed, Oct. 29, priced at CA $432 found 4 hours ago
American Airlines
Thu, Oct. 23 - Wed, Oct. 29
ONT
Ontario
KOA
Kona Coast
CA $460 Roundtrip, found 4 hours ago
CA $460
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Thu, Oct. 23 from Ontario to Kona Coast, returning Wed, Oct. 29, priced at CA $460 found 4 hours ago
United
Fri, Nov. 28 - Mon, Dec. 8
PSP
Palm Springs
KOA
Kona Coast
CA $782 Roundtrip, found 6 days ago
CA $782
Roundtrip
found 6 days ago
Select United flight, departing Fri, Nov. 28 from Palm Springs to Kona Coast, returning Mon, Dec. 8, priced at CA $782 found 6 days ago

Find the cheapest month to fly from Ontario (ONT) to Kailua-Kona (KOA)

February is typically the cheapest month to fly

From CA $337 - CA $866 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.