Flights to Hilo from Seattle

View ฿8,865 flight on Mon, 2 Feb 2026Opens 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 40% 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 (SEA) to Hilo (KOA)

Prices were available within the past 7 days and start at ฿8,865 for one-way flights and ฿17,725 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 2 Feb - Thu, 12 Feb
SEA
Seattle
KOA
Kona Coast
฿17,725 Return, found 1 day ago
฿17,725
Return
found 1 day ago
Select American Airlines flight, departing Mon, 2 Feb from Seattle to Kona Coast, returning Thu, 12 Feb, priced at ฿17,725 found 1 day ago
American Airlines
Mon, 2 Feb - Thu, 12 Feb
SEA
Seattle
KOA
Kona Coast
฿17,730 Return, found 1 day ago
฿17,730
Return
found 1 day ago
Select American Airlines flight, departing Mon, 2 Feb from Seattle to Kona Coast, returning Thu, 12 Feb, priced at ฿17,730 found 1 day ago
Delta
Mon, 2 Feb - Thu, 12 Feb
SEA
Seattle
KOA
Kona Coast
฿19,380 Return, found 1 day ago
฿19,380
Return
found 1 day ago
Select Delta flight, departing Mon, 2 Feb from Seattle to Kona Coast, returning Thu, 12 Feb, priced at ฿19,380 found 1 day ago
Delta
Mon, 2 Feb - Thu, 12 Feb
SEA
Seattle
KOA
Kona Coast
฿19,715 Return, found 1 day ago
฿19,715
Return
found 1 day ago
Select Delta flight, departing Mon, 2 Feb from Seattle to Kona Coast, returning Thu, 12 Feb, priced at ฿19,715 found 1 day ago
Alaska Airlines
Mon, 2 Feb - Thu, 12 Feb
SEA
Seattle
KOA
Kona Coast
฿26,525 Return, found 1 day ago
฿26,525
Return
found 1 day ago
Select Alaska Airlines flight, departing Mon, 2 Feb from Seattle to Kona Coast, returning Thu, 12 Feb, priced at ฿26,525 found 1 day ago
United
Mon, 2 Feb - Thu, 12 Feb
SEA
Seattle
KOA
Kona Coast
฿27,635 Return, found 1 day ago
฿27,635
Return
found 1 day ago
Select United flight, departing Mon, 2 Feb from Seattle to Kona Coast, returning Thu, 12 Feb, priced at ฿27,635 found 1 day ago

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

September is typically the cheapest month to fly

From ฿6,126 - ฿12,814 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.