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Kaua'i

$1,312+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIH
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Portland to Kaua'i

Best flights from Portland to Kaua'i
Discover carefully curated flight deals from Portland to Kaua'i that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/25. 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.
Mon 3/29:40 amPWM - LIH
2 stops18h 04mUnited Airlines
Wed 3/42:25 pmLIH - PWM
2 stops15h 24mUnited Airlines
Deal found 12/25$1,312

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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,312
(United Airlines)
Provider with most accurate pricing for Portland-Lihue flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-Lihue flights.
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From Portland to Kaua'i
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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 December 28, 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

Mon 3/2

9:40 am-10:44 pm

2 stops18h 04m

Lihue

Wed 3/4

2:25 pm-10:49 am

2 stops15h 24m

$1,312

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

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, May is the cheapest month in which you can book a flight from Portland, Maine to Kaua'i (average of $271). Flying from Portland, Maine to Kaua'i in July is currently the most expensive (average of $590). 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 $1,312, United Airlines can have you in Kaua'i from Portland, Maine in 18h 04m. The distance from Portland, Maine to Kaua'i is about 5134 mi.

  • 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, May is the cheapest month in which you can book a flight from Portland, Maine to Kaua'i (average of $271). Flying from Portland, Maine to Kaua'i in July is currently the most expensive (average of $590). 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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