Porto

$2,081+ Cheap flights from The Big Island 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — OPO
Feb 21 — Feb 281
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Cheap flight deals from The Big Island to Porto

Cheapest flights from The Big Island to Porto
Explore the most affordable flight options available from The Big Island to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 22, 2026.

This United Airlines deal was found by Cheapflights users on 1/21. 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.
Thu 1/292:34 pm
KOA
-
OPO
2 stops59h 06m
United Airlines
Mon 2/212:30 pm
OPO
-
KOA
2 stops58h 27m
United Airlines
Deal found 1/21$2,081

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

Find useful and relevant information for your journey from The Big Island to Porto. 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 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.

See more FAQs

Traveling to a place near Porto?

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

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