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Flights from Islip to Seattle
There are no direct flights from Islip to Seattle. The fastest way is one stop via Baltimore or Boston, about 7h 17m door to door (42 connections a week on current schedules).
No direct flights · 6 connection options From 7h 17m
Islip to Seattle at a glance
Fastest journey7h 17mVia Baltimore, on current schedules
Nonstop flightsNoneConnect via Baltimore or Boston
Best ways to fly from Islip to Seattle
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ISP Baltimore (BWI) SEA
Leg 1: Southwest Airlines · Leg 2: Alaska Airlines, Southwest Airlines
Sun10:30 ISP11:24 BWI0h 51m connection12:15 BWI14:47 SEASouthwest Airlines
2Search
ISP Boston (BOS) SEA
Leg 1: Cape Air · Leg 2: Alaska Airlines, Delta Air Lines, JetBlue Airways
Fri07:15 ISP08:14 BOS2h 01m connection10:15 BOS13:18 SEACape Air + Alaska Airlines
3Search
ISP Orlando (MCO) SEA
Leg 1: Frontier Airlines, JetBlue Airways, Southwest Airlines · Leg 2: Alaska Airlines, Delta Air Lines
Fri11:45 ISP14:12 MCO5h 48m connection20:00 MCO22:47 SEAJetBlue Airways + Alaska Airlines
4Search
ISP Raleigh (RDU) SEA
Leg 1: Breeze Airways · Leg 2: Alaska Airlines, Delta Air Lines
Tue17:30 ISP18:51 RDU11h 24m connection06:15 RDU08:39 SEABreeze Airways + Delta Air Lines
6Search
ISP Fort Myers (RSW) SEA
Leg 1: Breeze Airways, Frontier Airlines, JetBlue Airways · Leg 2: Alaska Airlines
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
- 3,929 km2,440 miles
- Journey time
- 7h 17mon current schedules
- Time difference
- -3hSeattle vs Islip
- Currency in Seattle
- USD
- Airports
- ISP → SEA, BFI
Flights from Islip to Seattle: questions answered
Are there direct flights from Islip to Seattle?
No. There is no nonstop service, so you will connect, most easily in Baltimore, Boston and Orlando. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Islip to Seattle?
With one connection the journey usually takes around 7h 17m, depending on the layover. The straight-line distance is 3,929 km.
Where do you change planes between Islip and Seattle?
The best connecting points are Baltimore (BWI), Boston (BOS), Orlando (MCO) and Raleigh (RDU). Southwest Airlines flies both legs via Baltimore, so you can book it as one ticket.
Which airports serve Islip and Seattle?
Islip: Long Island MacArthur Airport (ISP). Seattle: Seattle–Tacoma International Airport (SEA) and King County International Airport - Boeing Field (BFI).
What is the time difference between Islip and Seattle?
Seattle is 3 hours behind Islip.





