How long is the flight from The Big Island to Porto?

For as low as $1,800, United Airlines can have you in Porto from The Big Island in 62h 31m. 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 FUI to OPO?

When flying from The Big Island 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.

What airport do you fly into for flights to Porto from The Big Island?

For a flight from The Big Island to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city.

Can I find deals for flights from The Big Island to Porto that include hotel bookings?

Yes. In addition to deals on The Big Island to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from The Big Island to Porto?

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

Can I find deals for business class flights from The Big Island to Porto?

Yes. Cheapflights offers flight deals from The Big Island 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.

$1,800+ Flights from The Big Island to Porto

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Cheap flight deals from The Big Island to Porto

Best flights from The Big Island to Porto
Discover carefully curated flight deals from The Big Island to Porto that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 8, 2025.

Thu 2/52:34 pmKOA - OPO

2 stops62h 31mUnited Airlines

Mon 2/96:00 amOPO - KOA

2 stops40h 57mUnited Airlines

Deal found 12/5

$1,800

Find flight deals from The Big Island to Porto

Round-trip from	$1,800 (United Airlines)

From The Big Island to Porto

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Use the filters below to find and compare flights from The Big Island to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

Thu 2/5

2:34 pm-3:05 pm

2 stops62h 31m

Porto

Mon 2/9

6:00 am-12:57 pm

2 stops40h 57m

$1,800

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/5

Best time to book a flight from The Big Island to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from The Big Island 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 The Big Island to Porto

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Related info for your journey

What airport do you fly into for flights to Porto from The Big Island?
For a flight from The Big Island to Porto, you will be flying into Porto. Porto (OPO) is just 6.8 mi from the center of the city.
How long is the flight from The Big Island to Porto?
For as low as $1,800, United Airlines can have you in Porto from The Big Island in 62h 31m. Airlines will cover a distance of 7727 mi.
Can I find deals for flights from The Big Island to Porto that include hotel bookings?
Yes. In addition to deals on The Big Island to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from The Big Island to Porto?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from The Big Island to Porto.
Can I find deals for business class flights from The Big Island to Porto?
Yes. Cheapflights offers flight deals from The Big Island 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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