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Kaua'i

$122+ Cheap flights from Portland (PDX) to Kaua'i

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIH
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Cheap flight deals from Portland to Kaua'i

Keep the following information in mind while searching for Portland to Kaua'i flight deals. Data was last updated October 16, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(Delta)

One-way from

$122
(Delta)

Popular in

June

Cheapest in

January

Average price

$478

Good round-trip deal

$387 or less
Provider with most accurate pricing for Portland-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Lihue flights.
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From Portland to Kaua'i
Search Deals
One-way flight from Portland to Kaua'i
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Portland to Kaua'i.
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Find flight deals from Portland to Kaua'i

Cheapest flights from Portland to Kaua'i
Explore the most affordable flight options available from Portland to Kaua'i. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 16, 2025.

This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1010:45 amPDX - LIH
1 stop9h 48mDelta
Sun 12/1410:55 pmLIH - PDX
2 stops14h 38mDelta
Deal found 10/16$327
This KAYAK deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/71:34 pmPDX - LIH
1 stop10h 51mAlaska Airlines
Tue 12/1611:55 amLIH - PDX
Nonstop5h 35mAlaska Airlines
Deal found 10/16$330
This United Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/86:00 amPDX - LIH
1 stop9h 13mUnited Airlines
Sat 12/1311:50 pmLIH - PDX
1 stop9h 13mUnited Airlines
Deal found 10/16$334
This United Airlines deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/76:00 amPDX - LIH
1 stop9h 13mUnited Airlines
Sat 12/1311:50 pmLIH - PDX
1 stop9h 13mUnited Airlines
Deal found 10/14$337
This Alaska Airlines deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/27:00 amPDX - LIH
1 stop8h 19mAlaska Airlines
Tue 12/164:51 pmLIH - PDX
1 stop16h 57mAlaska Airlines
Deal found 10/15$339
This Delta deal was found by Cheapflights users on 10/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1011:35 amPDX - LIH
1 stop10h 29mDelta
Sun 11/1610:55 pmLIH - PDX
1 stop10h 51mDelta
Deal found 10/15$340
This Alaska Airlines deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/117:00 amPDX - LIH
1 stop29h 46mAlaska Airlines
Wed 11/194:16 pmLIH - PDX
1 stop15h 33mAlaska Airlines
Deal found 10/16$341
This Orbitz deal was found by Cheapflights users on 10/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:00 amPDX - LIH
1 stop18h 25mAlaska Airlines
Mon 11/241:20 pmLIH - PDX
Nonstop5h 34mAlaska Airlines
Deal found 10/14$350
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:35 amPDX - LIH
1 stop10h 29mDelta
Tue 12/1610:55 pmLIH - PDX
2 stops12h 18mDelta
Deal found 10/16$351
This Delta deal was found by Cheapflights users on 10/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/75:30 amPDX - LIH
2 stops15h 03mDelta
Tue 12/1610:55 pmLIH - PDX
2 stops12h 18mDelta
Deal found 10/16$356

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Kaua'i that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
Use the filters below to find and compare flights from Portland to Kaua'i that are best for you.

Fly from

Portland

Fly to

Kaua'i

Route

Depart

Return

Price

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 12/8

5:30 am-6:33 pm

2 stops15h 03m

Lihue

Sat 12/13

9:50 pm-10:55 am

1 stop11h 05m

$327

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 12/11

5:30 am-6:33 pm

2 stops15h 03m

Lihue

Sun 12/14

10:55 pm-3:33 pm

2 stops14h 38m

$332

PortlandLihue

PDX - LIH

PDXLIH

Portland

Sun 12/7

5:30 am-6:33 pm

2 stops15h 03m

Lihue

Tue 12/16

10:55 pm-1:13 pm

2 stops12h 18m

$356

PortlandLihue

PDX - LIH

PDXLIH

Portland

Fri 11/28

11:35 am-8:04 pm

1 stop10h 29m

Lihue

Sat 12/6

10:55 pm-9:50 am

1 stop8h 55m

$371

PortlandLihue

PDX - LIH

PDXLIH

Portland

Sat 11/15

6:00 am-10:25 pm

1 stop18h 25m

Lihue

Thu 11/20

8:02 pm-11:02 am

2 stops13h 00m

$383

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 12/2

7:00 am-1:19 pm

1 stop8h 19m

Lihue

Fri 12/5

2:53 pm-9:47 am

1 stop16h 54m

$387

PortlandLihue

PDX - LIH

PDXLIH

Portland

Fri 11/28

5:30 am-6:16 pm

2 stops14h 46m

Lihue

Wed 12/3

10:55 pm-9:50 am

1 stop8h 55m

$398

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 12/2

5:30 am-6:33 pm

2 stops15h 03m

Lihue

Tue 12/16

10:55 pm-1:13 pm

2 stops12h 18m

$404

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 12/8

9:55 am-4:10 pm

1 stop8h 15m

Lihue

Sat 12/13

6:15 am-7:35 pm

2 stops11h 20m

$412

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 12/2

5:30 am-6:33 pm

2 stops15h 03m

Lihue

Fri 12/5

10:55 pm-12:14 pm

1 stop11h 19m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/13

Showing 1-10 of 21 results
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Best time to book a flight from Portland to Kaua'i

Have a flexible travel schedule? Discover the best time to fly to Kaua'i from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Kaua'i

What is the cheapest month to book a flight from Portland to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Portland to Kaua'i (average of $208). Flying from Portland to Kaua'i in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to FUS?

Find hourly flight availability from Portland to Kaua'i. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to Kaua'i in the evening. If you’re flexible enough to do this you can expect to save up to 62% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Portland to Kaua'i?

Use this chart to determine the cheapest time to fly round-trip from Portland to Kaua'i. Price data was last updated on October 12, 2025.

Travelers seeking maximum savings on their Portland to Kaua'i flight should consider departing on Tuesday evenings when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Kaua'i

Get insights into the airlines that provide service to Kaua'i. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kaua'i. Reviews last updated October 16, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Portland to Kaua'i by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,100 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Alaska Airlines
8.0
Very good
11,100 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Delta
8.0
Very good
7,984 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
Hawaiian Airlines
7.8
Good
2,781 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.
United Airlines
7.4
Good
8,982 reviews
Alaska Airlines
8.0
Very good
11,100 reviews

Food

7.1

Comfort

7.8

Overall

8.0

Crew

8.5

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

BOS - HNL

The flight was awesome but a little long. I would prefer a flight with a layover. The amount of space available was minimal and a little uncomfortable for that long of a flight.

Related info for your journey

Find useful and relevant information for your journey from Portland to Kaua'i. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Kaua'i?

    Located just 6.0 mi from the city center, Portland (PDX) is the airport most travelers will use when flying to Kaua'i from Portland.

  • How popular is this Portland to Kaua'i flight route?

    The Portland to Kaua'i flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Portland to Kaua'i?

    A quick flight from Portland to Kaua'i can take about 15h 03m. Delta provides one of the quickest options available for as low as $327. The distance between Portland and Kaua'i is about 2628 mi.

  • What are the cheapest airlines to fly from Portland to Kaua'i one-way?

    The cheapest airlines for a one-way flight from Portland to Kaua'i are Delta ($122), United Airlines ($189), and Alaska Airlines ($189).

  • What are the cheapest flights from Portland to Kaua'i?

    Looking at all options, your cheapest flight can be booked for $337. While the most popular route (Portland - Lihue) can be booked for $231 on average, our data indicates $462 when flying from Portland to Kaua'i.

  • Can I find deals for flights from Portland to Kaua'i that include hotel bookings?

    Yes. In addition to deals on Portland to Kaua'i flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Kaua'i?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Kaua'i.

  • Can I find deals for business class flights from Portland to Kaua'i?

    Yes. Cheapflights offers flight deals from Portland to Kaua'i by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Portland to Kaua'i (average of $208). Flying from Portland to Kaua'i in June is currently the most expensive (average of $358). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for Portland to Kaua'i

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Portland to Kaua'i

Discover the top 6 airlines that operate flights from Portland to Kaua'i. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$245Average$387FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$257Average$570FlexibilityNo cancel feeOn-time63%
Hawaiian AirlinesCheapest$261Average$550FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$268Average$521FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$311Average$579FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$371Average$473FlexibilityNo cancel feeOn-time71%

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