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$109+ 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIH
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Alaska Airlines)

One-way from

$109
(Southwest)

Popular in

June

Cheapest in

January

Average price

$486

Good round-trip deal

$477 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Portland-Lihue flight deals.
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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. 11% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in February 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 February 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 2/19. 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 4/227:00 amPDX - LIH
1 stop10h 20mAlaska Airlines
Tue 4/293:20 pmLIH - PDX
1 stop15h 30mAlaska Airlines
Deal found 2/19$317
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 4/86:00 amPDX - LIH
1 stop9h 42mAmerican Airlines
Tue 4/159:32 pmLIH - PDX
1 stop19h 22mAmerican Airlines
Deal found 2/19$323
This Delta deal was found by Cheapflights users on 2/20. 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 6/59:10 amPDX - LIH
1 stop13h 16mDelta
Tue 6/109:45 pmLIH - PDX
1 stop12h 33mDelta
Deal found 2/20$327
This Southwest deal was found by Cheapflights users on 2/19. 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.
Thu 4/1710:20 amPDX - LIH
1 stop8h 40mSouthwest
Tue 4/2210:00 amLIH - PDX
1 stop9h 15mSouthwest
Deal found 2/19$329
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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.
Thu 3/137:07 amPDX - LIH
Nonstop6h 23mHawaiian Airlines
Mon 3/178:46 amLIH - PDX
1 stop9h 34mHawaiian Airlines
Deal found 2/19$333
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Tue 2/256:00 amPDX - LIH
1 stop9h 15mUnited Airlines
Sat 3/111:59 pmLIH - PDX
1 stop10h 33mUnited Airlines
Deal found 2/19$492

Find flights from Portland to Kaua'i within your budget

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 February 20, 2025.

Fly from

Portland

Fly to

Kaua'i

Route

Depart

Return

Price

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 4/22

7:00 am-2:20 pm

1 stop10h 20m

Lihue

Tue 4/29

3:20 pm-9:50 am

1 stop15h 30m

$317

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 4/8

6:00 am-12:42 pm

1 stop9h 42m

Lihue

Tue 4/15

9:32 pm-7:54 pm

1 stop19h 22m

$323

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 6/5

9:10 am-7:26 pm

1 stop13h 16m

Lihue

Tue 6/10

9:45 pm-1:18 pm

1 stop12h 33m

$327

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 4/17

10:20 am-4:00 pm

1 stop8h 40m

Lihue

Tue 4/22

10:00 am-10:15 pm

1 stop9h 15m

$329

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 3/13

7:07 am-10:30 am

Nonstop6h 23m

Lihue

Mon 3/17

8:46 am-9:20 pm

1 stop9h 34m

$333

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 3/6

1:39 pm-10:44 pm

1 stop11h 05m

Lihue

Thu 3/13

1:33 pm-12:50 am

1 stop8h 17m

$427

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 3/13

9:05 am-2:50 pm

1 stop8h 45m

$109

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 3/13

7:07 am-10:30 am

Nonstop6h 23m

$149

PortlandLihue

PDX - LIH

PDXLIH

Portland

Tue 3/11

9:38 am-7:11 pm

1 stop12h 33m

$154

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 3/6

9:45 am-8:09 pm

1 stop12h 24m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 13 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.

Travel insights for flights from Portland to Kaua'i

Get recent, data-driven insights about flights from Portland to Kaua'i including ideal travel times, pricing trends, and more.

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 $686). 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 February 20, 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 February 20, 2025.
Read through reviews of airlines operating flights from Portland to Kaua'i, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,697 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,219 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,765 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Food

7.1

Boarding

8.2

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Southwest ($109), Hawaiian Airlines ($149), and Alaska Airlines ($154).

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

    Looking at all options, your cheapest flight can be booked for $179. While the most popular route (Portland - Lihue) can be booked for $271 on average our data indicates $888 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 $686). 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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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$211Average$524FlexibilityNo cancel feeOn-time85%
DeltaCheapest$241Average$389FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$257Average$400FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$286Average$565FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$289Average$499FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$312Average$589FlexibilityNo cancel feeOn-time75%
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