ISP - OPO

$1,843 Find Cheap Flights from Islip to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Cheap Flights from Islip to Porto (ISP-OPO)

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

Recent round-trip flight deals from Islip to Porto

Tue, Dec 15 - Tue, Dec 22
Multiple Airlines Logo
10:39 am - 10:30 amISP  Islip Long Island-OPO Porto
18h 51m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
5:45 pm - 9:52 amOPO  Porto-ISP Islip Long Island
45h 07m2 stops Boston Logan Intl Orlando
$1,843Multiple Airlines
Tue, Dec 15 - Tue, Dec 22
Multiple Airlines Logo
10:39 am - 10:30 amISP  Islip Long Island-OPO Porto
18h 51m2 stops Orlando Boston Logan Intl
Multiple Airlines Logo
5:45 pm - 9:52 amOPO  Porto-ISP Islip Long Island
45h 07m2 stops Boston Logan Intl Orlando
$1,848Multiple Airlines
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Key details for Islip to Porto flights

Cheapest flight

$1,843
Round-trip flight from Islip to Porto

When to book flights from Islip to Porto

Are your dates flexible? Find out the best times to travel from Islip 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 Islip to Porto flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Do I need a passport to fly from Islip 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 car rental options are available at Porto Airport (OPO)?

    Porto Airport (OPO) hosts 5 major car rental companies, with daily rates averaging $23 for economy cars. Top options include:

    • GREEN MOTION
    • Drive on Holiday
    • Klass Wagen
    • Goldcar Rental SP
    • Sixt

  • Which airports can I use when flying from Islip to Porto?

    Flights from Islip to Porto usually depart from Islip Long Island (ISP) and arrive at Porto (OPO).

  • What is the time difference between Islip and Porto?

    Porto is 5 hours ahead of Islip (Western European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Porto?

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

Your guide to booking Islip to Porto flights

Get tips on when to book, when to fly and what to know before your trip.
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Porto Airport.

    • Ap Aeroporto Porto

More options for your flight from Islip to Porto

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

Car rentals in Porto
Hotels in Porto
Vacations in Porto