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PSM to ZTH: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Zakynthos (Zakynthos International Airport "Dionysios Solomos")
4,585 mi
7,379 km · 3,984 nm
9h 27m
estimated nonstop flight time
+7h
time difference · heading northeast
See live PSM→ZTH fares Phone-only fares on this route — call free
Flight time details
4,585 miles nonstop takes roughly 9h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- ZTH — Zakynthos International Airport "Dionysios Solomos" · Zakynthos, Greece
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 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
Near ZTH
- PYR · Andravida Air Base25 mi away
- EFL · Kefallinia Airport33 mi away
- GPA · Araxos Airport40 mi away
- AGQ · Agrinion Air Base64 mi away
Frequently asked questions
How far is PSM from ZTH?
The flight distance from Portsmouth (PSM) to Zakynthos (ZTH) is 4,585 miles (7,379 km, 3,984 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to ZTH?
A nonstop flight takes about 9h 27m 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 Portsmouth and Zakynthos?
Zakynthos is 7 hours ahead of Portsmouth.
What is the cheapest way to fly from PSM to ZTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–ZTH that never appear on search engines, with no booking fees.