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Kaua'i

$801+ Cheap flights from Portland, ME (PWM) to Kaua'i

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIH
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
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 August 2, 2025.

Round-trip from

$801
(American Airlines)
From Portland to Kaua'i
Search Deals

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 August 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 11/155:37 pmPWM - LIH
2 stops24h 41mAmerican Airlines
Sat 11/222:49 pmLIH - PWM
2 stops21h 18mAmerican Airlines
Deal found 7/31$801
This United Airlines deal was found by Cheapflights users on 8/1. 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 8/316:00 amPWM - LIH
2 stops19h 58mUnited Airlines
Sun 9/711:10 pmLIH - PWM
2 stops28h 48mUnited Airlines
Deal found 8/1$815

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 August 2, 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

PWM - LIH

PWMLIH

Portland

Sat 11/15

5:37 pm-1:18 pm

2 stops24h 41m

Lihue

Sat 11/22

2:49 pm-5:07 pm

2 stops21h 18m

$801

PortlandLihue

PWM - LIH

PWMLIH

Portland

Sun 8/31

6:00 am-7:58 pm

2 stops19h 58m

Lihue

Sun 9/7

11:10 pm-9:58 am

2 stops28h 48m

$815

PortlandLihue

PWM - LIH

PWMLIH

Portland

Sun 9/14

6:23 pm-11:54 am

2 stops23h 31m

$1,549

PortlandLihue

PWM - LIH

PWMLIH

Portland

Sun 9/14

6:15 am-8:32 pm

3 stops20h 17m

$2,792

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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, Maine to Kaua'i?

Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Kaua'i (average of $440). Flying from Portland, Maine 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.

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 August 2, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Portland to Kaua'i to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,904 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,904 reviews
United Airlines
7.4
Good
8,904 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,904 reviews

Food

6.6

Comfort

7.3

Overall

7.4

Boarding

7.7

Entertainment

7.1

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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?

    If you book a flight to Kaua'i from Portland, you will be flying from Portland, which is the city’s only airport. Portland (PWM) is located 2.9 mi from the center of Portland.

  • 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, Maine to Kaua'i?

    Currently, January is the cheapest month in which you can book a flight from Portland, Maine to Kaua'i (average of $440). Flying from Portland, Maine 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.

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