Cheap Flights from Seattle to Hilo

View €156 flight on Thu, 21 Aug 2025Opens in a new window

Popular airlines from Seattle to Hilo

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Cheap flights from Seattle to Hilo (SEA-KOA)

Prices were available within the past 7 days and start at €156 for one-way flights and €312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 Aug - Tue, 26 Aug
SEA
Seattle
KOA
Kona Coast
€312 Return, found 4 days ago
€312
Return
found 4 days ago
Select Delta flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Tue, 26 Aug, priced at €312 found 4 days ago
Delta
Thu, 21 Aug - Tue, 26 Aug
SEA
Seattle
KOA
Kona Coast
€320 Return, found 4 days ago
€320
Return
found 4 days ago
Select Delta flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Tue, 26 Aug, priced at €320 found 4 days ago
American Airlines
Thu, 21 Aug - Tue, 26 Aug
SEA
Seattle
KOA
Kona Coast
€329 Return, found 4 days ago
€329
Return
found 4 days ago
Select American Airlines flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Tue, 26 Aug, priced at €329 found 4 days ago
Hawaiian Airlines
Thu, 21 Aug - Tue, 26 Aug
SEA
Seattle
KOA
Kona Coast
€355 Return, found 4 days ago
€355
Return
found 4 days ago
Select Hawaiian Airlines flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Tue, 26 Aug, priced at €355 found 4 days ago
United
Thu, 21 Aug - Tue, 26 Aug
SEA
Seattle
KOA
Kona Coast
€398 Return, found 4 days ago
€398
Return
found 4 days ago
Select United flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Tue, 26 Aug, priced at €398 found 4 days ago
Alaska Airlines
Thu, 21 Aug - Tue, 26 Aug
SEA
Seattle
KOA
Kona Coast
€403 Return, found 4 days ago
€403
Return
found 4 days ago
Select Alaska Airlines flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Tue, 26 Aug, priced at €403 found 4 days ago

Find the cheapest month to fly from Seattle (SEA) to Kailua-Kona (KOA)

September is typically the cheapest month to fly

From €162 - €338 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.