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Flights from Islip to Porto
There are no direct flights from Islip to Porto. The fastest way is one stop via Boston, about 12h 55m door to door (4 connections a week on current schedules).
No direct flights · 1 connection option From 12h 55m
Islip to Porto at a glance
Fastest journey12h 55mVia Boston, on current schedules
Nonstop flightsNoneConnect via Boston
Best ways to fly from Islip to Porto
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ISP Boston (BOS) OPO
Leg 1: Cape Air · Leg 2: TAP Air Portugal
Mon16:15 ISP17:14 BOS6h 01m connection23:15 BOS10:10 OPOCape Air + TAP Air Portugal
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 5,281 km3,280 miles
- Journey time
- 12h 55mon current schedules
- Time difference
- +5hPorto vs Islip
- Currency in Porto
- EUR
- Airports
- ISP → OPO
Flights from Islip to Porto: questions answered
Are there direct flights from Islip to Porto?
No. There is no nonstop service, so you will connect, most easily in Boston. Most connections mean separate tickets, so leave plenty of time to collect bags and check in again.
How long is the flight from Islip to Porto?
With one connection the journey usually takes around 12h 55m, depending on the layover. The straight-line distance is 5,281 km.
Where do you change planes between Islip and Porto?
The best connecting points are Boston (BOS). Compare one-ticket itineraries with self-transfer options in the search.
Which airports serve Islip and Porto?
Islip: Long Island MacArthur Airport (ISP). Porto: Francisco de Sá Carneiro Airport (OPO).
What is the time difference between Islip and Porto?
Porto is 5 hours ahead of Islip.





