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Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–ISA that never appear on search engines, with no booking fees.