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Flights from Islip to Lisbon
There are no direct flights from Islip to Lisbon. The fastest way is one stop via Boston, about 11h 05m door to door (13 connections a week on current schedules).
No direct flights · 1 connection option From 11h 05m
Islip to Lisbon at a glance
Fastest journey11h 05mVia Boston, on current schedules
Nonstop flightsNoneConnect via Boston
Best ways to fly from Islip to Lisbon
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) LIS
Leg 1: Cape Air · Leg 2: Delta Air Lines, TAP Air Portugal
Thu17:30 ISP18:29 BOS4h 01m connection22:30 BOS09:35 LISCape 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
- 5,347 km3,320 miles
- Journey time
- 11h 05mon current schedules
- Time difference
- +5hLisbon vs Islip
- Currency in Lisbon
- EUR
- Airports
- ISP → LIS
Flights from Islip to Lisbon: questions answered
Are there direct flights from Islip to Lisbon?
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 Lisbon?
With one connection the journey usually takes around 11h 05m, depending on the layover. The straight-line distance is 5,347 km.
Where do you change planes between Islip and Lisbon?
The best connecting points are Boston (BOS). Compare one-ticket itineraries with self-transfer options in the search.
Which airports serve Islip and Lisbon?
Islip: Long Island MacArthur Airport (ISP). Lisbon: Lisbon Humberto Delgado Airport (LIS).
What is the time difference between Islip and Lisbon?
Lisbon is 5 hours ahead of Islip.





