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IST to PSM: distance & flight time
Istanbul (Istanbul Airport) → Portsmouth (Portsmouth International at Pease Airport)
4,764 mi
7,667 km · 4,140 nm
9h 48m
estimated nonstop flight time
-7h
time difference · heading northwest
See live IST→PSM fares Phone-only fares on this route — call free
Flight time details
4,764 miles nonstop takes roughly 9h 48m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- IST — Istanbul Airport · Istanbul, Turkey
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IST
- ISL · Atatürk International Airport21 mi away
- SAW · Sabiha Gökçen International Airport39 mi away
- TEQ · Tekirdağ Çorlu Airport44 mi away
- BTZ · Bursa Airport73 mi away
Near PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is IST from PSM?
The flight distance from Istanbul (IST) to Portsmouth (PSM) is 4,764 miles (7,667 km, 4,140 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IST to PSM?
A nonstop flight takes about 9h 48m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Istanbul and Portsmouth?
Portsmouth is 7 hours behind Istanbul.
What is the cheapest way to fly from IST to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IST–PSM that never appear on search engines, with no booking fees.