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ISA to PSM: distance & flight time
Mount Isa (Mount Isa Airport) → Portsmouth (Portsmouth International at Pease Airport)
10,102 mi
16,257 km · 8,778 nm
20h 16m
estimated nonstop flight time
-14h
time difference · heading northeast
See live ISA→PSM fares Phone-only fares on this route — call free
Flight time details
10,102 miles nonstop takes roughly 20h 16m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- ISA — Mount Isa Airport · Mount Isa, Australia
- 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 ISA
- CNJ · Cloncurry Airport66 mi away
- JCK · Julia Creek Airport144 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 ISA from PSM?
The flight distance from Mount Isa (ISA) to Portsmouth (PSM) is 10,102 miles (16,257 km, 8,778 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISA to PSM?
A nonstop flight takes about 20h 16m 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 Mount Isa and Portsmouth?
Portsmouth is 14 hours behind Mount Isa.
What is the cheapest way to fly from ISA to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISA–PSM that never appear on search engines, with no booking fees.