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Kaua'i

$737+ 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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIH
May 2 — May 91
Sat 5/2
Sat 5/9
1 adult, Economy
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Cheap 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 April 2, 2026.

This American Airlines deal was found by Cheapflights users on 3/30. 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 9/154:03 pm
PWM
-
LIH
2 stops26h 11m
American Airlines
Fri 9/251:44 pm
LIH
-
PWM
2 stops21h 14m
American Airlines
Deal found 3/30$737
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Thu 12/247:17 am
PWM
-
LIH
2 stops16h 22m
American Airlines
Mon 12/283:55 pm
LIH
-
PWM
2 stops15h 16m
American Airlines
Deal found 3/28$1,180
This United Airlines deal was found by Cheapflights users on 3/30. 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 9/156:00 am
PWM
-
LIH
2 stops15h 40m
United Airlines
Fri 9/257:40 pm
LIH
-
PWM
1 stop14h 09m
United Airlines
Deal found 3/30$8,412

Find 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 April 2, 2026.

Round-trip from

$737
(American Airlines)
From Portland to Kaua'i
Search Deals

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 April 2, 2026.
Use the filters below to find and compare flights from Portland to Kaua'i that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandLihue

PWM - LIH

PWMLIH

Portland

Tue 9/15

8:00 am-8:10 pm

3 stops18h 10m

Lihue

Fri 9/25

1:44 pm-4:58 pm

2 stops21h 14m

$1,136
Quickest round-trip

PortlandLihue

PWM - LIH

PWMLIH

Portland

Tue 9/15

6:00 am-3:40 pm

2 stops15h 40m

Lihue

Fri 9/25

7:40 pm-3:49 pm

1 stop14h 09m

$8,412

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Sorted by cheapest first

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, April is the cheapest month in which you can book a flight from Portland, Maine to Kaua'i (average of $286). Flying from Portland, Maine to Kaua'i in July is currently the most expensive (average of $593). 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.

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.

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

    For as low as $8,412, American Airlines can have you in Kaua'i from Portland, Maine in 15h 40m. The distance from Portland, Maine to Kaua'i is about 5134 mi. This flight may include one or multiple stops.

  • 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, April is the cheapest month in which you can book a flight from Portland, Maine to Kaua'i (average of $286). Flying from Portland, Maine to Kaua'i in July is currently the most expensive (average of $593). 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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