Islip to Portsmouth (ISP–PSM) — Airlines, Schedules & Connections

ISP Airport Page →
196 mi airlines 0/wk
On-time Some delays Frequent delays
Connecting Flight Schedule 19 1-stop flights Verified 1mo ago
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  Flight Airline AC Dep Arr Dur OTP Sched  
✈ Nonstop

No flights match your filters.

No nonstop flights on this route. connecting options below.

✦ 1-STOP More options, longer trips
✧ 2-STOP Loading... Reach the hardest destinations
Islip to Portsmouth
Connecting service available through multiple hubs.
196 mi 0h 59m nonstop 19 1-stop hubs

While no nonstop service exists between ISP and PSM, connecting options are available through 19 hubs.

Also explore ISP Routes PSM Routes ISP Live Flights PSM Live Flights ISP Delays
Connections

Connection Landscape

Beyond nonstop. 1-stop and 2-stop options for ISP to PSM.
1-STOP
One-Stop Connections
19
Hubs
~3h
Fastest
~19h
Longest
Verified with published schedule alignment and minimum connection time.
2-STOP
Two-Stop Connections
31
Candidates
Two-stop connections loaded in the connections tab above.
Connections computed from published schedules with minimum connection time verification. Use the interactive explorer above the fold to filter by airline, tier, and layover time.
Alternatives

Other ways to reach Portsmouth from Islip

Nearby airports with service to Portsmouth International Airport at Pease.
Metric ISP→PSM JFK→PSM LGA→PSM
Distance from ISP – 37 mi 40 mi
Nonstop airlines 0 1 1
Weekly flights 0 – 1
Flight time 0h 59m 0h 52m 0h 44m
Departure OTP 100% – –
New York (JFK) to Portsmouth flights · New York (LGA) to Portsmouth flights · Teterboro (TEB) to Portsmouth flights
Airports within 200 miles of ISP with service to Portsmouth International Airport at Pease.
Know before you go

Travel Essentials

Practical planning for this route.
Time Difference
0h
Portsmouth is 0 hours the same as Islip.
ISP: EDT · PSM: EDT

When it's 6:00 PM in Islip, it's 6:00 PM in Portsmouth.
Distance & Flight Time
196 mi / 316 km
Nonstop flight time is approximately 0h 59m.
Facts

ISP–PSM Quick Facts

Key statistics for the Islip to Portsmouth route.
Route details
Distance196 mi / 316 km
Flight time0h 59m
Time difference0 hours
Airlines (nonstop)0
1-stop connections19 hubs
Origin: ISP
Full nameLong Island MacArthur Airport
IATA / ICAOISP / KISP
TimezoneAmerica/New_York
Passengers/yr1.4M
Elevation99 ft / 30 m
Destination: PSM
Full namePortsmouth International Airport at Pease
IATA / ICAOPSM / KPSM
TimezoneAmerica/New_York
Passengers/yr0.2M
Elevation100 ft / 30 m
FAQ

Frequently Asked Questions

Common questions about ISP to PSM flights.
Nonstop flights from Long Island MacArthur Airport to Portsmouth International Airport at Pease take approximately 0h 59m. The route covers 196 miles.
Yes, 1-stop connections are available through JFK, TEB, DCA, IAD, BWI, YYZ, ORF, CLT, RDU, MDW, CHS, PBI, MIA, SRQ, RSW, AUS, TPA, FLL and MCO. These options provide additional schedule flexibility.
Nearby alternatives include JFK, LGA and TEB. See the Alternatives section for a full comparison.
Click the 'Search Flights' button to check availability and prices on Google Flights. You can also compare airlines and schedules on this page to find the best option.
See the On-Time Performance section for the latest delay data at both airports. This shows departure and arrival reliability to help you plan.
Route data is updated regularly from official airline schedules. On-time performance data comes from recent airport delay snapshots.

Flights from ISP to PSM

Long Island MacArthur Airport (ISP) and Portsmouth International Airport at Pease (PSM) are connected through multiple connecting hub airports.

ISP to PSM Flight Duration and Schedule

Nonstop flight time from ISP to PSM ranges from 0 hours 59 minutes. The route covers a distance of 196 miles (316 km).

Connecting Options and Alternatives

19 one-stop connections are available, with the fastest taking approximately 3 hours via JFK. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include New York (JFK), New York (LGA) and Teterboro (TEB).