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

Departing from Kailua-Kona to Porto will take you 59h 06m. Airlines will cover a distance of 7727 mi.

In terms of precipitation, rainfall in Porto ranges from 0.7 - 7.7 inches per month. December is typically the wettest month, when rainfall can reach 7.7 in. July is typically the driest time to visit Porto when rainfall is around 0.7 in.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 48.2 F).

What is the cheapest time of day to fly from KOA to OPO?

When flying from Kailua-Kona to Porto, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

$1,799+ Flights from Kailua-Kona to Porto

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Cheap 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 December 12, 2025.

Thu 2/52:34 pmKOA - OPO

2 stops59h 06mUnited Airlines

Mon 2/96:00 amOPO - KOA

2 stops42h 44mUnited Airlines

Deal found 12/11

$1,799

Find flight deals from Kailua-Kona to Porto

Most accurate provider	Expedia 2 stars
Most trusted provider	Expedia 3 stars
Round-trip from	$1,800 (United Airlines)

Provider with most accurate pricing for Kona Intl-Porto flight deals.

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From Kona Intl to Porto

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Fly from

Fly to

Route

Depart

Return

Price

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

Thu 2/5

2:34 pm-11:40 am

2 stops59h 06m

Porto

Mon 2/9

6:00 am-2:44 pm

2 stops42h 44m

$1,799

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

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

How long is the flight from Kailua-Kona to Porto?
Departing from Kailua-Kona to Porto will take you 59h 06m. Airlines will cover a distance of 7727 mi.
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.

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$1,799+ 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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kailua-Kona to Porto with Cheapflights

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Cheap flight deals from Kailua-Kona to Porto

Best flights from Kailua-Kona to PortoDiscover 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 December 12, 2025.

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 December 12, 2025.

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

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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?

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

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

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

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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 December 12, 2025.