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JST to PSM: distance & flight time
Johnstown (John Murtha Johnstown Cambria County Airport) → Portsmouth (Portsmouth International at Pease Airport)
455 mi
732 km · 395 nm
1h 27m
estimated nonstop flight time
Same time
time difference · heading northeast
See live JST→PSM fares Phone-only fares on this route — call free
Flight time details
455 miles nonstop takes roughly 1h 27m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- JST — John Murtha Johnstown Cambria County Airport · Johnstown, United States
- 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 JST
- AOO · Altoona Blair County Airport27 mi away
- LBE · Arnold Palmer Regional Airport30 mi away
- CBE · Greater Cumberland Regional Airport49 mi away
- AGC · Allegheny County Airport58 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 JST from PSM?
The flight distance from Johnstown (JST) to Portsmouth (PSM) is 455 miles (732 km, 395 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from JST to PSM?
A nonstop flight takes about 1h 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 cheapest way to fly from JST to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on JST–PSM that never appear on search engines, with no booking fees.