Cheap Flights from Seattle to Hilo

View €164 flight on Thu, 21 Aug 2025Opens in a new window

Popular airlines from Seattle to Hilo

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 15% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap flights from Seattle to Hilo (SEA-KOA)

Prices were available within the past 7 days and start at €164 for one-way flights and €292 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 21 Aug - Wed, 27 Aug
SEA
Seattle
KOA
Kona Coast
€292 Return, found 2 days ago
€292
Return
found 2 days ago
Select Delta flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Wed, 27 Aug, priced at €292 found 2 days ago
Delta
Thu, 21 Aug - Wed, 27 Aug
SEA
Seattle
KOA
Kona Coast
€301 Return, found 2 days ago
€301
Return
found 2 days ago
Select Delta flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Wed, 27 Aug, priced at €301 found 2 days ago
United
Thu, 21 Aug - Wed, 27 Aug
SEA
Seattle
KOA
Kona Coast
€405 Return, found 2 days ago
€405
Return
found 2 days ago
Select United flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Wed, 27 Aug, priced at €405 found 2 days ago
Hawaiian Airlines
Thu, 21 Aug - Wed, 27 Aug
SEA
Seattle
KOA
Kona Coast
€423 Return, found 2 days ago
€423
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Wed, 27 Aug, priced at €423 found 2 days ago
Alaska Airlines
Thu, 21 Aug - Wed, 27 Aug
SEA
Seattle
KOA
Kona Coast
€436 Return, found 2 days ago
€436
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Wed, 27 Aug, priced at €436 found 2 days ago
American Airlines
Thu, 21 Aug - Wed, 27 Aug
SEA
Seattle
KOA
Kona Coast
€444 Return, found 2 days ago
€444
Return
found 2 days ago
Select American Airlines flight, departing Thu, 21 Aug from Seattle to Kona Coast, returning Wed, 27 Aug, priced at €444 found 2 days ago

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

September is typically the cheapest month to fly

From €168 - €304 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.