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$1,791+ Cheap flights from Kailua-Kona (KOA) to Porto (OPO)

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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — OPO
nov. 28 — dic. 51
vie. 11/28
vie. 12/5
1 adult, Economy
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Cheap flight deals from Kailua-Kona to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Kailua-Kona (KOA) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octubre 29, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,791
(Delta)
Provider with most accurate pricing for Kona Intl-Porto flight deals.
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Provider most trusted by Cheapflights users for Kona Intl-Porto flights.
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From Kona Intl to Porto
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Find flight deals from Kailua-Kona to Porto

Best flights from Kailua-Kona to Porto
Discover carefully curated flight deals from Kailua-Kona to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated octubre 29, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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.
vie. 3/279:55 pmKOA - OPO
2 stops30h 35mDelta
mar. 3/315:00 amOPO - KOA
2 stops23h 49mDelta
Deal found 10/27$1,791
This United Airlines deal was found by Cheapflights users on 10/26. 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.
vie. 3/273:19 pmKOA - OPO
2 stops31h 26mUnited Airlines
mar. 3/3112:35 pmOPO - KOA
2 stops34h 14mUnited Airlines
Deal found 10/26$1,797

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kailua-Kona to Porto 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 octubre 29, 2025.
Use the filters below to find and compare flights from Kailua-Kona to Porto that are best for you.

Fly from

Kailua-Kona

Fly to

Porto

Route

Depart

Return

Price

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

vie. 3/27

9:55 pm-2:30 pm

2 stops30h 35m

Porto

mar. 3/31

5:00 am-5:49 pm

2 stops23h 49m

$1,791

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

vie. 3/27

3:19 pm-8:45 am

2 stops31h 26m

Porto

mar. 3/31

12:35 pm-11:49 am

2 stops34h 14m

$1,797

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

  • Most accurate provider: When it comes to deals on Kailua-Kona-Porto flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Kailua-Kona-Porto flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Kailua-Kona-Porto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kailua-Kona-Porto flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kailua-Kona-Porto flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Porto 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.

Related info for your journey

Find useful and relevant information for your journey from Kailua-Kona to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kailua-Kona to Porto?

    Departing from Kailua-Kona to Porto will take you 30h 35m. Airlines will cover a distance of 7727 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kailua-Kona to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Aveiro
Arcos de Valdevez
Coimbra

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