Cheap flights from Portland to Lihue

View AU$252 flight on Mon, 15 Sep. 2025Opens in a new window

Popular airlines from Portland to Lihue

  • 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 35% 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 Portland (PDX) to Lihue (LIH)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, 19 Dec. - Tue, 6 Jan.
PDX
Portland
LIH
Kauai
AU$1,439 Return, found 6 days ago
AU$1,439
Return
found 6 days ago
Select United flight, departing Fri, 19 Dec. from Portland to Kauai, returning Tue, 6 Jan., priced at AU$1,439 found 6 days ago
United
Fri, 19 Dec. - Tue, 6 Jan.
PDX
Portland
LIH
Kauai
AU$1,516 Return, found 6 days ago
AU$1,516
Return
found 6 days ago
Select United flight, departing Fri, 19 Dec. from Portland to Kauai, returning Tue, 6 Jan., priced at AU$1,516 found 6 days ago
United
Fri, 19 Dec. - Tue, 6 Jan.
PDX
Portland
LIH
Kauai
AU$1,543 Return, found 6 days ago
AU$1,543
Return
found 6 days ago
Select United flight, departing Fri, 19 Dec. from Portland to Kauai, returning Tue, 6 Jan., priced at AU$1,543 found 6 days ago
Alaska Airlines
Fri, 19 Dec. - Tue, 6 Jan.
PDX
Portland
LIH
Kauai
AU$1,590 Return, found 6 days ago
AU$1,590
Return
found 6 days ago
Select Alaska Airlines flight, departing Fri, 19 Dec. from Portland to Kauai, returning Tue, 6 Jan., priced at AU$1,590 found 6 days ago
American Airlines
Fri, 19 Dec. - Tue, 6 Jan.
PDX
Portland
LIH
Kauai
AU$1,751 Return, found 6 days ago
AU$1,751
Return
found 6 days ago
Select American Airlines flight, departing Fri, 19 Dec. from Portland to Kauai, returning Tue, 6 Jan., priced at AU$1,751 found 6 days ago
Delta
Fri, 19 Dec. - Tue, 6 Jan.
PDX
Portland
LIH
Kauai
AU$2,000 Return, found 6 days ago
AU$2,000
Return
found 6 days ago
Select Delta flight, departing Fri, 19 Dec. from Portland to Kauai, returning Tue, 6 Jan., priced at AU$2,000 found 6 days ago

Find the cheapest month to fly from Portland (PDX) to Lihue (LIH)

January is typically the cheapest month to fly

From AU$357 - AU$915 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.