HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Porto

$1,617+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
KOA — OPO
ago. 25 — sep. 11
lun. 8/25
lun. 9/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from The Big Island to Porto with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from The Big Island to Porto

Keep the following information in mind while searching for The Big Island to Porto flight deals. Data was last updated agosto 20, 2025.

Round-trip from

$1,617
(United Airlines)
From The Big Island to Porto
Search Deals

Find 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 agosto 20, 2025.

This United Airlines deal was found by Cheapflights users on 8/17. 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. 10/317:55 pmKOA - OPO
2 stops27h 35mUnited Airlines
mar. 11/412:35 pmOPO - KOA
2 stops34h 01mUnited Airlines
Deal found 8/17$1,617

Cheapflights Fare Finder

 
Customize your flight search to find flights from The Big Island 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 agosto 20, 2025.
Use the filters below to find and compare flights from The Big Island to Porto that are best for you.

Fly from

The Big Island

Fly to

Porto

Route

Depart

Return

Price

Kailua-KonaPorto

KOA - OPO

KOAOPO

Kona Intl

vie. 10/31

7:55 pm-9:30 am

2 stops27h 35m

Porto

mar. 11/4

12:35 pm-12:36 pm

2 stops34h 01m

$1,617

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

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
No data available for this route at this time. Please check back soon.

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.

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

    For as low as $1,617, United Airlines can have you in Porto from The Big Island in 27h 35m. 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.

  • What is the cheapest month to book a flight from The Big Island to Porto?

    Currently, January is the cheapest month in which you can book a flight from The Big Island to Porto (average of $523). Flying from The Big Island to Porto in June is currently the most expensive (average of $1,030). 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

Traveling to a place near Porto?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.