ISP - OPO

$1,408 Find Cheap Flights from Islip to Porto - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Flight Deals

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

Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
9:59 am - 11:50 amISP  Islip Long Island-OPO Porto
20h 51m2 stops Boston Logan Intl Ponta Delgada Nordela
Multiple Airlines Logo
12:40 pm - 5:56 pmOPO  Porto-ISP Islip Long Island
34h 16m3 stops Ponta Delgada Nordela Toronto Pearson Intl Orlando
$1,408Multiple Airlines
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
7:44 am - 10:35 amISP  Islip Long Island-OPO Porto
21h 51m1 stop Boston Logan Intl
Multiple Airlines Logo
5:45 pm - 5:56 pmOPO  Porto-ISP Islip Long Island
29h 11m2 stops Boston Logan Intl Orlando
$1,461Multiple Airlines
Mon, Nov 2 - Mon, Nov 9
TAP AIR PORTUGAL Logo
3:26 pm - 10:30 amISP  Islip Long Island-OPO Porto
38h 04m2 stops Orlando Boston Logan Intl
TAP AIR PORTUGAL Logo
7:30 pm - 1:38 pmOPO  Porto-ISP Islip Long Island
23h 08m2 stops Newark Orlando
$1,486TAP AIR PORTUGAL
Sun, Nov 1 - Sun, Nov 8
Multiple Airlines Logo
12:30 pm - 11:50 amISP  Islip Long Island-OPO Porto
18h 20m2 stops Boston Logan Intl Ponta Delgada Nordela
Multiple Airlines Logo
7:05 pm - 5:56 pmOPO  Porto-ISP Islip Long Island
27h 51m2 stops Newark Orlando
$1,518Multiple Airlines
Booking Insights

Price, demand and travel trends for Islip to Porto flights

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

What is the cheapest airline to fly from Islip to Porto?

TAP AIR PORTUGAL ($1,486) offered the cheapest round-trip ticket from Islip to Porto in the last 5 days.

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

  • 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 popular places can I visit in Porto?

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

  • 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.

  • Have flight prices from Islip to Porto changed much recently?

    Based on fares seen in the past 5 days, round-trip prices on this route were fairly steady, ranging from about $1,408 to $1,518. The highest observed fare was only about 7% higher than the lowest one.

  • 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 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 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.
    - Opo Hotel Porto Aeroporto

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