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$784+ Cheap flights from Kaua'i to Portugal

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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
LIH — LIS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Kaua'i to Portugal

Keep the following information in mind while searching for Kaua'i to Portugal flight deals. Data was last updated August 14, 2025.

Round-trip from

$965
(United Airlines)

One-way from

$784
(Kiwi.com)
From Kaua'i to Portugal
Search Deals
One-way flight from Kaua'i to Portugal
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Find flight deals from Kaua'i to Portugal

Cheapest flights from Kaua'i to Portugal
Explore the most affordable flight options available from Kaua'i to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/14. 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.
Mon 9/227:40 pmLIH - LIS
2 stops26h 40mUnited Airlines
Wed 10/2211:25 amLIS - LIH
2 stops34h 56mUnited Airlines
Deal found 8/14$965
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2211:10 pmLIH - LIS
2 stops23h 10mMultiple Airlines
Wed 10/2211:25 amLIS - LIH
3 stops35h 40mMultiple Airlines
Deal found 8/14$1,088
This Air Canada deal was found by Cheapflights users on 8/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/221:13 pmLIH - LIS
3 stops33h 07mAir Canada
Wed 10/2211:25 amLIS - LIH
3 stops35h 40mAir Canada
Deal found 8/14$1,194

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kaua'i to Portugal 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 14, 2025.
Use the filters below to find and compare flights from Kaua'i to Portugal that are best for you.

Fly from

Kaua'i

Fly to

Portugal

Route

Depart

Return

Price

LihueLisbon

LIH - LIS

LIHLIS

Lihue

Mon 9/22

7:40 pm-9:20 am

2 stops26h 40m

Lisbon Humberto Delgado

Wed 10/22

11:25 am-11:21 am

2 stops34h 56m

$965

LihueLisbon

LIH - LIS

LIHLIS

Lihue

Mon 9/22

11:10 pm-9:20 am

2 stops23h 10m

Lisbon Humberto Delgado

Wed 10/22

11:25 am-12:05 pm

3 stops35h 40m

$1,088

LihueLisbon

LIH - LIS

LIHLIS

Lihue

Mon 9/22

1:13 pm-9:20 am

3 stops33h 07m

Lisbon Humberto Delgado

Wed 10/22

11:25 am-12:05 pm

3 stops35h 40m

$1,194

LihueLisbon

LIH - LIS

LIHLIS

Lihue

Tue 8/19

2:15 pm-9:50 pm

3 stops44h 35m

$784

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Best time to book a flight from Kaua'i to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Kaua'i 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 Kaua'i to Portugal
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. 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 Portugal. Reviews last updated August 14, 2025.
Read reviews from past customers who have flown Delta from Kaua'i to Portugal. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Kaua'i to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from Kaua'i to Portugal that include hotel bookings?

    Yes. In addition to deals on Kaua'i to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kaua'i to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kaua'i to Portugal.

  • Can I find deals for business class flights from Kaua'i to Portugal?

    Yes. Cheapflights offers flight deals from Kaua'i to Portugal 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 Kaua'i to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Kaua'i to Portugal (average of $612). Flying from Kaua'i to Portugal in June is currently the most expensive (average of $1,128). 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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Top airline flying from Kaua'i to Portugal

Discover the top airline that operate flights from Kaua'i to Portugal. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$490Average$1,229FlexibilityNo cancel feeOn-timeN/A

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