$748+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — LIH
Oct 18 — Oct 251
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Portland to Kaua'i
Cheapest
Best
Last-minute
Cheapest flights from Portland to Kaua'iExplore 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 September 18, 2026.
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 September 18, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 10/166:04 am -
2 stops19h 10m
Fri 10/239:53 pm -
2 stops17h 07m
Deal found 9/16![Delta logo]()
$748
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/275:30 am -
2 stops16h 25m
Thu 10/297:30 pm -
1 stop14h 32m
Deal found 9/17![United Airlines logo]()
$766
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/167:58 am -
2 stops17h 46m
Fri 10/2311:00 pm -
1 stop12h 17m
Deal found 9/16![United Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/295:15 am -
2 stops16h 25m
Sat 10/37:35 pm -
1 stop14h 27m
Deal found 9/14![United Airlines logo]()
$830
Best flights from Portland to Kaua'iDiscover 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 September 18, 2026.
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 September 18, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 10/166:04 am -
2 stops19h 10m
Fri 10/239:53 pm -
2 stops17h 07m
Deal found 9/16![Delta logo]()
$748
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 1/15:25 am -
2 stops18h 16m
Fri 1/2910:35 pm -
2 stops18h 01m
Deal found 9/17![American Airlines logo]()
$761
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/275:30 am -
2 stops16h 25m
Thu 10/297:30 pm -
1 stop14h 32m
Deal found 9/17![United Airlines logo]()
$766
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/167:58 am -
2 stops17h 46m
Fri 10/2311:00 pm -
1 stop12h 17m
Deal found 9/16![United Airlines logo]()
$795
Last-minute flights from Portland to Kaua'iDiscover last-minute flight deals from Portland to Kaua'i. Data last updated September 18, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to Kaua'i. Data last updated September 18, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/295:15 am -
2 stops16h 25m
Sat 10/37:35 pm -
1 stop14h 27m
Deal found 9/14![United Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 9/16. 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.
Fri 10/166:04 am -
2 stops19h 10m
Fri 10/239:53 pm -
2 stops17h 07m
Deal found 9/16![Delta logo]()
$748
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Fri 10/167:58 am -
2 stops17h 46m
Fri 10/2311:00 pm -
1 stop12h 17m
Deal found 9/16![United Airlines logo]()
$795
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/275:30 am -
2 stops16h 25m
Thu 10/297:30 pm -
1 stop14h 32m
Deal found 9/17![United Airlines logo]()
$766
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 September 18, 2026.
Round-trip from | $748 (Delta) |
|---|
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 7,457,451 searches. Data last updated September 18, 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
Cheapest round-trip
PortlandLihue
PWM Portland - LIH Lihue
PWMLIH
Portland
Fri 10/16
6:04 am-7:14 pm
2 stops19h 10m
Lihue
Fri 10/23
9:53 pm-9:00 pm
2 stops17h 07m
$748
PortlandLihue
PWM Portland - LIH Lihue
PWMLIH
Portland
Fri 1/1
5:25 am-6:41 pm
2 stops18h 16m
Lihue
Fri 1/29
10:35 pm-9:36 pm
2 stops18h 01m
$761
PortlandLihue
PWM Portland - LIH Lihue
PWMLIH
Portland
Tue 10/27
5:30 am-3:55 pm
2 stops16h 25m
Lihue
Thu 10/29
7:30 pm-4:02 pm
1 stop14h 32m
$766
Quickest round-trip
PortlandLihue
PWM Portland - LIH Lihue
PWMLIH
Portland
Fri 10/16
7:58 am-7:44 pm
2 stops17h 46m
Lihue
Fri 10/23
11:00 pm-5:17 pm
1 stop12h 17m
$795
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.
PWM-LIH
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
PWM-zzFUS
PWM-LIH
No data available for this route at this time. Please check back soon.
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