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$683+ Cheap flights from Kailua-Kona (KOA) 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — LIS
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Kailua-Kona to Portugal

Keep the following information in mind while searching for Kailua-Kona to Portugal flight deals. Data was last updated July 30, 2025.

Round-trip from

$1,290
(United Airlines)

One-way from

$683
(United Airlines)
From Kona Intl to Portugal
Search Deals
One-way flight from Kona Intl to Portugal
Search Deals

Find flight deals from Kailua-Kona to Portugal

Cheapest flights from Kailua-Kona to Portugal
Explore the most affordable flight options available from Kailua-Kona to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/30. 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.
Sat 9/137:40 pmKOA - OPO
2 stops24h 15mUnited Airlines
Sat 9/2012:05 pmOPO - KOA
2 stops58h 41mUnited Airlines
Deal found 7/30$1,290
This Expedia deal was found by Cheapflights users on 7/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:00 pmKOA - OPO
2 stops36h 45mLufthansa
Thu 9/186:15 amOPO - KOA
2 stops48h 09mLufthansa
Deal found 7/29$1,291
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/127:40 pmKOA - LIS
2 stops25h 40mUnited Airlines
Fri 9/1912:15 pmLIS - KOA
2 stops58h 31mUnited Airlines
Deal found 7/28$1,369
This Air Canada deal was found by Cheapflights users on 7/29. 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.
Thu 9/1111:00 pmKOA - OPO
3 stops31h 20mMultiple Airlines
Thu 9/1812:10 pmOPO - KOA
2 stops34h 36mMultiple Airlines
Deal found 7/29$1,672

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kailua-Kona 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 July 30, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Portugal that are best for you.

Fly from

Kailua-Kona

Fly to

Portugal

Route

Depart

Return

Price

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

Sat 9/13

7:40 pm-6:55 am

2 stops24h 15m

Porto

Sat 9/20

12:05 pm-11:46 am

2 stops58h 41m

$1,290

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

Thu 9/11

11:00 pm-10:45 pm

2 stops36h 45m

Porto

Thu 9/18

6:15 am-7:24 pm

2 stops48h 09m

$1,291

Kailua-KonaLisbon

KOA - LIS

KOALIS

Kona Intl

Fri 9/12

7:40 pm-8:20 am

2 stops25h 40m

Lisbon Humberto Delgado

Fri 9/19

12:15 pm-11:46 am

2 stops58h 31m

$1,369

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

Thu 9/11

11:00 pm-5:20 pm

3 stops31h 20m

Porto

Thu 9/18

12:10 pm-11:46 am

2 stops34h 36m

$1,672

Kailua-KonaLisbon

KOA - LIS

KOALIS

Kona Intl

Sat 8/16

7:40 pm-10:30 am

2 stops27h 50m

$683

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Best time to book a flight from Kailua-Kona to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Kailua-Kona 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 Kailua-Kona 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 July 30, 2025.
See what other customers who have flown with United Airlines and Lufthansa from Kailua-Kona to Portugal have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,896 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Lufthansa
6.8
Okay
7,269 reviews
United Airlines
7.4
Good
8,896 reviews

Boarding

7.7

Comfort

7.3

Food

6.6

Entertainment

7.1

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Portugal. 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 Kailua-Kona to Portugal?

    Located just 7.7 mi from the city center, Kona Intl (KOA) is the airport most travelers will use when flying to Portugal from Kailua-Kona.

  • Can I find deals for flights from Kailua-Kona to Portugal that include hotel bookings?

    Yes. In addition to deals on Kailua-Kona to Portugal flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kailua-Kona to Portugal?

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

  • Can I find deals for business class flights from Kailua-Kona to Portugal?

    Yes. Cheapflights offers flight deals from Kailua-Kona 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 Kailua-Kona to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Kailua-Kona to Portugal (average of $612). Flying from Kailua-Kona to Portugal in June is currently the most expensive (average of $1,129). 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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