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Kaua'i

$174+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIH
Jun 21 — Jun 281
Sat 6/21
Sat 6/28
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 June 16, 2025.

Round-trip from

$297
(Delta)

One-way from

$174
(Delta)

Popular in

June

Cheapest in

January

Average price

$705

Good round-trip deal

$552 or less

Good one-way deal

$284 or less
From Portland to Kaua'i
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One-way flight from Portland to Kaua'i
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Highest demand for flights based on searches. 12% potential increase in price ($75 potential increase over avg. RT price).
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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 June 2025
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Price to beat on a round-trip flight from Portland to Kaua'i.
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Price to beat on a one-way 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 June 16, 2025.

This Delta deal was found by Cheapflights users on 6/16. 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.
Thu 9/1111:10 amPDX - LIH
1 stop11h 12mDelta
Thu 9/189:45 pmLIH - PDX
1 stop9h 39mDelta
Deal found 6/16$297
This Alaska Airlines deal was found by Cheapflights users on 6/16. 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 10/77:00 amPDX - LIH
1 stop8h 12mAlaska Airlines
Wed 10/152:20 pmLIH - PDX
1 stop16h 26mAlaska Airlines
Deal found 6/16$369
This American Airlines deal was found by Cheapflights users on 6/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:00 amPDX - LIH
1 stop9h 29mAmerican Airlines
Wed 12/310:14 pmLIH - PDX
1 stop9h 56mAmerican Airlines
Deal found 6/14$410
This Southwest deal was found by Cheapflights users on 6/14. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:45 amPDX - LIH
2 stops10h 50mSouthwest
Wed 10/1510:00 amLIH - PDX
1 stop9h 15mSouthwest
Deal found 6/14$414
This Hawaiian Airlines deal was found by Cheapflights users on 6/16. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/227:00 amPDX - LIH
1 stop8h 12mHawaiian Airlines
Mon 12/1512:55 pmLIH - PDX
Nonstop5h 42mHawaiian Airlines
Deal found 6/16$454
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Fri 11/77:38 pmPDX - LIH
2 stops19h 20mUnited Airlines
Wed 11/122:30 pmLIH - PDX
1 stop8h 15mUnited Airlines
Deal found 6/13$488

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 June 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

Thu 9/11

1:37 pm-7:22 pm

1 stop8h 45m

Lihue

Thu 9/18

9:45 pm-8:38 am

1 stop7h 53m

$297

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 8/13

10:40 am-4:00 pm

1 stop8h 20m

Lihue

Thu 8/21

6:15 am-10:25 pm

2 stops13h 10m

$390

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 8/14

7:35 pm-9:47 am

2 stops17h 12m

Lihue

Mon 8/18

1:40 pm-9:37 am

1 stop16h 57m

$422

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 8/18

5:05 am-1:56 pm

1 stop11h 51m

Lihue

Sat 8/23

9:16 pm-4:52 pm

1 stop16h 36m

$450

PortlandLihue

PDX - LIH

PDXLIH

Portland

Sun 8/17

9:47 am-8:25 pm

2 stops13h 38m

Lihue

Sun 8/24

1:13 pm-6:32 pm

2 stops26h 19m

$520

PortlandLihue

PDX - LIH

PDXLIH

Portland

Sun 8/17

8:55 am-7:03 pm

1 stop13h 08m

$174

PortlandLihue

PDX - LIH

PDXLIH

Portland

Sun 8/17

9:47 am-8:25 pm

2 stops13h 38m

$229

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 8/6

5:35 pm-7:01 am

1 stop16h 26m

$289

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 8/6

10:40 am-9:20 pm

2 stops13h 40m

$297

PortlandLihue

PDX - LIH

PDXLIH

Portland

Sat 8/2

5:35 pm-10:12 pm

1 stop7h 37m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/13

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 $440). Flying from Portland to Kaua'i in June is currently the most expensive (average of $689). 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 June 16, 2025.

When flying from Portland to Kaua'i, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kaua'i ranges from 2.2 - 6.7 inches per month. January is typically the wettest month, when rainfall can reach 6.7 in. June is typically the driest time to visit Kaua'i when rainfall is around 2.2 in.

Temperature in Kaua'i by month

Plan your trip to Kaua'i by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kaua'i, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

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 June 16, 2025.
Read through reviews of airlines operating flights from Portland to Kaua'i, such as Alaska Airlines, Southwest and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,278 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,500 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,801 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • 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 ($174), United Airlines ($229), and Hawaiian Airlines ($289).

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

    Looking at all options, your cheapest flight can be booked for $224. While the most popular route (Portland - Lihue) can be booked for $297 on average our data indicates $483 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 $440). Flying from Portland to Kaua'i in June is currently the most expensive (average of $689). 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.

See more FAQs

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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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Portland to Hana flights
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Portland to Waimea (Big Island) flights
North Bend to Kahului flights
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Medford to Kapalua flights
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Boise to Hana flights

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 June 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$381FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$245Average$537FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$268Average$509FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$286Average$582FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$294Average$397FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$332Average$597FlexibilityNo cancel feeOn-time75%

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