Cheap Flights from Boston to Hilo

View €192 flight on Thu, 21 Aug 2025Opens in a new window

Popular airlines from Boston to Hilo

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Cheap flights from Boston to Hilo (BOS-KOA)

Prices were available within the past 7 days and start at €192 for one-way flights and €383 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 Aug - Thu, 4 Sep
BOS
Boston
KOA
Kona Coast
€383 Return, found 1 day ago
€383
Return
found 1 day ago
Select Delta flight, departing Thu, 21 Aug from Boston to Kona Coast, returning Thu, 4 Sep, priced at €383 found 1 day ago
Delta
Thu, 21 Aug - Thu, 4 Sep
BOS
Boston
KOA
Kona Coast
€387 Return, found 1 day ago
€387
Return
found 1 day ago
Select Delta flight, departing Thu, 21 Aug from Boston to Kona Coast, returning Thu, 4 Sep, priced at €387 found 1 day ago
JetBlue Airways
Thu, 21 Aug - Thu, 4 Sep
BOS
Boston
KOA
Kona Coast
€403 Return, found 1 day ago
€403
Return
found 1 day ago
Select JetBlue Airways flight, departing Thu, 21 Aug from Boston to Kona Coast, returning Thu, 4 Sep, priced at €403 found 1 day ago
American Airlines
Thu, 21 Aug - Thu, 4 Sep
BOS
Boston
KOA
Kona Coast
€409 Return, found 1 day ago
€409
Return
found 1 day ago
Select American Airlines flight, departing Thu, 21 Aug from Boston to Kona Coast, returning Thu, 4 Sep, priced at €409 found 1 day ago
Hawaiian Airlines
Thu, 21 Aug - Thu, 4 Sep
BOS
Boston
KOA
Kona Coast
€428 Return, found 1 day ago
€428
Return
found 1 day ago
Select Hawaiian Airlines flight, departing Thu, 21 Aug from Boston to Kona Coast, returning Thu, 4 Sep, priced at €428 found 1 day ago
United
Thu, 21 Aug - Thu, 4 Sep
BOS
Boston
KOA
Kona Coast
€599 Return, found 1 day ago
€599
Return
found 1 day ago
Select United flight, departing Thu, 21 Aug from Boston to Kona Coast, returning Thu, 4 Sep, priced at €599 found 1 day ago

Find the cheapest month to fly from Boston (BOS) to Kailua-Kona (KOA)

September is typically the cheapest month to fly

From €331 - €491 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.