KOA - OPO

$754 Find Cheap Flights from Kailua-Kona to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$754
Typical prices: $806-$976
United Airlines
Wed 1/17Sun 1/21
KOA - OPO • 2 stops
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Cheap Flights from Kailua-Kona to Porto (KOA-OPO)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Kailua-Kona to Porto

Sun, Jan 17 - Thu, Jan 21
United Airlines Logo
8:25 pm - 3:20 pmKOA  Kona Intl-OPO Porto
32h 55m2 stops Denver Intl Frankfurt am Main
United Airlines Logo
6:00 am - 1:57 pmOPO  Porto-KOA Kona Intl
41h 57m2 stops Frankfurt am Main San Francisco
$754United Airlines
Booking Insights

Price, demand and travel trends for Kailua-Kona to Porto flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Kailua-Kona to Porto with more confidence.

How much is a round-trip flight from Kailua-Kona to Porto?

Round-trip flights from Kailua-Kona to Porto start at $754. Prices are below average for this route right now, with typical round-trip fares ranging from $806 to $976. The lowest price found in the past 5 days was $754 on United Airlines.

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When to book flights from Kailua-Kona to Porto

Are your dates flexible? Find out the best times to travel from Kailua-Kona to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Kailua-Kona to Porto flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Kailua-Kona to Porto?

    Flights from Kailua-Kona to Porto usually depart from Kona Intl (KOA) and arrive at Porto (OPO).

  • What cabin classes can I book on flights from Kailua-Kona to Porto?

    Only Economy Class is available on flights from Kailua-Kona to Porto.

  • Can I save money by using flexible dates for flights from Kailua-Kona to Porto?

    Yes. Being flexible with your travel dates can save you up to 44% on the Kailua-Kona to Porto route. Monday is the cheapest departure day at $707 round-trip on average, while Thursday is the most expensive at $1,259, a difference of $552. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Porto?

    Some of the most popular sights in Porto are Ribeira, Ribeira Square and Mercado do Bolhão. These are among the most viewed places in Porto on KAYAK.

  • Do I need a passport to fly from Kailua-Kona to Porto?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • What is the time difference between Kailua-Kona and Porto?

    Porto is 11 hours ahead of Kailua-Kona (Western European Time vs Hawaii-Aleutian Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates starting from around $2 for economy cars. Top options include:
    • Klass Wagen
    • Drive on Holiday
    • GREEN MOTION
    • Goldcar Rental SP
    • SURPRICE CAR RENTAL

Your guide to booking Kailua-Kona to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Monday departure instead of Thursday. On this route, Monday flights average $707 - about $552 less than Thursday (44% savings) based on the last 12 months.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.
    - Opo Hotel Porto Aeroporto

More options for your flight from Kailua-Kona to Porto

Complete your trip to Porto with a hotel stay or car rental

Car rentals in Porto
Hotels in Porto
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