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Kaua'i

$189+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — LIH
May 17 — May 241
Sat 5/17
Sat 5/24
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 May 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$402
(Alaska Airlines)

One-way from

$194
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$507

Good round-trip deal

$494 or less

Good one-way deal

$219 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
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Highest demand for flights based on searches. 11% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 12, 2025.

This Delta deal was found by Cheapflights users on 5/12. 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 9/311:04 amPDX - LIH
1 stop11h 12mDelta
Wed 9/109:26 pmLIH - PDX
1 stop11h 26mDelta
Deal found 5/12$317
This Southwest deal was found by Cheapflights users on 5/11. 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.
Tue 9/237:10 amPDX - LIH
1 stop11h 50mSouthwest
Thu 10/26:15 amLIH - PDX
2 stops13h 00mSouthwest
Deal found 5/11$386
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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.
Thu 6/51:25 pmPDX - LIH
1 stop11h 08mAlaska Airlines
Tue 6/102:39 pmLIH - PDX
1 stop16h 06mAlaska Airlines
Deal found 5/12$402
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Sun 8/245:42 pmPDX - LIH
1 stop23h 14mAmerican Airlines
Sun 8/319:16 pmLIH - PDX
1 stop16h 36mAmerican Airlines
Deal found 5/11$468
This Hawaiian Airlines deal was found by Cheapflights users on 5/12. 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.
Mon 6/27:13 amPDX - LIH
Nonstop6h 08mHawaiian Airlines
Mon 6/911:21 amLIH - PDX
Nonstop5h 41mHawaiian Airlines
Deal found 5/12$548
This United Airlines deal was found by Cheapflights users on 5/12. 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.
Thu 5/225:30 amPDX - LIH
1 stop8h 47mUnited Airlines
Tue 5/2710:58 pmLIH - PDX
1 stop10h 35mUnited Airlines
Deal found 5/12$637

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 May 12, 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

Wed 6/4

5:45 pm-12:37 pm

1 stop21h 52m

Lihue

Mon 6/9

1:00 pm-9:40 am

1 stop17h 40m

$399

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 7/7

8:57 am-7:08 pm

1 stop13h 11m

Lihue

Sun 7/13

9:40 pm-5:07 pm

1 stop16h 27m

$405

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 6/2

7:13 am-10:21 am

Nonstop6h 08m

Lihue

Mon 6/9

11:21 am-8:02 pm

Nonstop5h 41m

$548

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 6/5

5:10 am-4:00 pm

2 stops13h 50m

Lihue

Tue 6/10

10:00 am-11:50 pm

2 stops10h 50m

$636

PortlandLihue

PDX - LIH

PDXLIH

Portland

Thu 5/22

5:30 am-11:17 am

1 stop8h 47m

Lihue

Tue 5/27

10:58 pm-12:33 pm

1 stop10h 35m

$637

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 7/14

5:10 am-3:38 pm

2 stops13h 28m

Lihue

Fri 7/18

5:30 pm-10:42 am

2 stops14h 12m

$2,257

PortlandLihue

PDX - LIH

PDXLIH

Portland

Mon 5/19

9:10 am-7:00 pm

1 stop12h 50m

$189

PortlandLihue

PDX - LIH

PDXLIH

Portland

Fri 6/6

7:13 am-10:21 am

Nonstop6h 08m

$194

PortlandLihue

PDX - LIH

PDXLIH

Portland

Wed 6/11

3:42 pm-11:38 am

2 stops22h 56m

$339

PortlandLihue

PDX - LIH

PDXLIH

Portland

Fri 5/23

7:13 am-10:21 am

Nonstop6h 08m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

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 $682). 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 May 12, 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 May 12, 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

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

8.0

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

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

8.0

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
4,290 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

8.0

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

8.0

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
2,432 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

8.0

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
8,724 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

8.0

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 Alaska Airlines ($194), Delta ($263), and United Airlines ($339).

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

    Looking at all options, your cheapest flight can be booked for $159. While the most popular route (Portland - Lihue) can be booked for $317 on average our data indicates $423 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 $682). 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 May 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$242Average$387FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$249Average$548FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$285Average$564FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$289Average$496FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$294Average$432FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$329Average$591FlexibilityNo cancel feeOn-time75%

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