$135 Cheap Flights from Portland (PDX) to Lihue (LIH)

View $135 flight on Wed, Sep 3, 2025Opens in a new window

Popular airlines from Portland International Airport (PDX) to Lihue Airport (LIH)

Cheap Flights from Portland to Lihue (PDX-LIH)

Prices were available within the past 7 days and start at $135 for one-way flights and $269 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Sep 22 - Mon, Sep 29
PDX
Portland
LIH
Kauai
$269 Roundtrip, found 1 hour ago
$269
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Sep 22 from Portland to Kauai, returning Mon, Sep 29, priced at $269 found 1 hour ago
American Airlines
Mon, Sep 22 - Mon, Sep 29
PDX
Portland
LIH
Kauai
$269 Roundtrip, found 1 hour ago
$269
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Mon, Sep 22 from Portland to Kauai, returning Mon, Sep 29, priced at $269 found 1 hour ago
Southwest Airlines
Sun, Sep 7 - Sun, Sep 14
PDX
Portland
LIH
Kauai
$271 Roundtrip, found 4 hours ago
$271
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Sun, Sep 7 from Portland to Kauai, returning Sun, Sep 14, priced at $271 found 4 hours ago
Delta
Wed, Sep 3 - Sun, Sep 7
PDX
Portland
LIH
Kauai
$271 Roundtrip, just found
$271
Roundtrip
just found
Select Delta flight, departing Wed, Sep 3 from Portland to Kauai, returning Sun, Sep 7, priced at $271 just found
Delta
Wed, Aug 27 - Fri, Sep 5
PDX
Portland
LIH
Kauai
$272 Roundtrip, found 2 hours ago
$272
Roundtrip
found 2 hours ago
Select Delta flight, departing Wed, Aug 27 from Portland to Kauai, returning Fri, Sep 5, priced at $272 found 2 hours ago
United
Wed, Oct 15 - Mon, Oct 20
PDX
Portland
LIH
Kauai
$283 Roundtrip, found 1 hour ago
$283
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Oct 15 from Portland to Kauai, returning Mon, Oct 20, priced at $283 found 1 hour ago
Southwest Airlines
Sun, Oct 19 - Tue, Oct 28
PDX
Portland
LIH
Kauai
$283 Roundtrip, just found
$283
Roundtrip
just found
Select Southwest Airlines flight, departing Sun, Oct 19 from Portland to Kauai, returning Tue, Oct 28, priced at $283 just found
Delta
Wed, Aug 20 - Wed, Aug 27
PDX
Portland
LIH
Kauai
$285 Roundtrip, found 3 hours ago
$285
Roundtrip
found 3 hours ago
Select Delta flight, departing Wed, Aug 20 from Portland to Kauai, returning Wed, Aug 27, priced at $285 found 3 hours ago
Delta
Wed, Sep 3 - Sun, Sep 7
PDX
Portland
LIH
Kauai
$285 Roundtrip, just found
$285
Roundtrip
just found
Select Delta flight, departing Wed, Sep 3 from Portland to Kauai, returning Sun, Sep 7, priced at $285 just found
Alaska Airlines
Wed, Dec 3 - Wed, Dec 10
PDX
Portland
LIH
Kauai
$376 Roundtrip, found 2 hours ago
$376
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Dec 3 from Portland to Kauai, returning Wed, Dec 10, priced at $376 found 2 hours ago

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

January is typically the cheapest month to fly

From $233 - $597 per traveler.

Graph displaying average flight prices per month

Alternative airports near Lihue

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lihue Airport LIH. Cheapest option available. Flights from $587
LIH
Lihue Airport
Cheapest
Flights from $587
Flights from Portland (PDX) to Lihue (LIH)
Origin airport
Portland Intl.
Destination airport
Lihue
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$268
Distance
2630 mi

Portland to Lihue Flights

The cheapest times to fly from Portland to Lihue

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Portland to Lihue are during the month of September. You can find some of the cheapest flights from Portland to Lihue with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Portland to Lihue

Sunday is one of the best days to book for cheap flights from Portland to Lihue: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Portland to Lihue

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Portland to Lihue in 2025. You can also book with separate airlines for your outbound and return journeys, from $135 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Portland to Lihue flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Portland to Lihue airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Portland Intl. Airport (PDX) to Lihue Airport (LIH) cost?
Discover the latest flight deals from PDX to LIH by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from PDX to LIH?
The cheapest flights from PDX to LIH are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Portland Intl. Airport (PDX) to Lihue Airport (LIH)?
When jetting out of Portland Intl. Airport (PDX), you can jump on a direct flight to Lihue Airport (LIH) with Alaska Airlines.
What is the cheapest airline that flies from PDX to LIH?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from PDX to LIH. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Portland Intl. Airport (PDX) to Lihue Airport (LIH)?
On average, you can take your pick of 5 direct flights flying from Portland Intl. Airport (PDX) to Lihue Airport (LIH) each week. If you don't find one that works for your schedule, consider a flight that includes a layover. Filter your search on Expedia to include one or two stops and select the next best alternative.
What are the most popular departure times for flights from Portland Intl. Airport (PDX) to Lihue Airport (LIH)?
The 7 AM departures from PDX to LIH are typically the busiest. They can also be more expensive. If you're hoping to save money, choose a less crowded time to fly.
What day of the week has the most flights from PDX to LIH?
Friday offers the most flights from Portland Intl. Airport (PDX) to Lihue Airport (LIH). Consider traveling on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Portland Intl. Airport (PDX) to Lihue Airport (LIH)?
Catch the earliest flight at around 7:00AM UTC-8, leaving from Portland Intl. Airport (PDX). You'll be flying for roughly 6h 32m, arriving at Lihue Airport (LIH) at approximately 11:32AM UTC-10.
How long does it take to fly from Portland Intl. Airport (PDX) to Lihue Airport (LIH)?
It takes about 6 hours and 32 minutes to cover the 2,600 mi from PDX to LIH.
What is the best time to fly from Portland Intl. Airport (PDX) to Lihue Airport (LIH)?
To avoid possible delays on the Portland Intl. Airport (PDX) to Lihue Airport (LIH) route, travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Kauai from Portland Intl. Airport (PDX)?
If you're traveling on a direct flight from Portland Intl. Airport (PDX) to Kauai, Lihue Airport (LIH) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Portland Intl. Airport (PDX) to Lihue Airport (LIH) last-minute?
Booking your flight from PDX to LIH shortly before your trip is usually more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book a PDX to LIH flight and hotel package?
Opting for a PDX to LIH flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland Intl. Airport (PDX) to Lihue Airport (LIH)?
If you reserved your PDX to LIH flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.