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CTH to PSM: distance & flight time
Coatesville (Chester County G O Carlson Airport) → Portsmouth (Portsmouth International at Pease Airport)
337 mi
543 km · 293 nm
1h 21m
estimated nonstop flight time
Same time
time difference · heading northeast
See live CTH→PSM fares Phone-only fares on this route — call free
Flight time details
337 miles nonstop takes roughly 1h 21m 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
- CTH — Chester County G O Carlson Airport · Coatesville, 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 CTH
- PHL · Philadelphia International Airport34 mi away
- ILG · New Castle Airport25 mi away
- LNS · Lancaster Airport25 mi away
- RDG · Reading Regional Carl A Spaatz Field28 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 CTH from PSM?
The flight distance from Coatesville (CTH) to Portsmouth (PSM) is 337 miles (543 km, 293 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CTH to PSM?
A nonstop flight takes about 1h 21m 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 CTH to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CTH–PSM that never appear on search engines, with no booking fees.