Need help booking?
Unpublished phone-only deals available
PHN to PSM: distance & flight time
Port Huron (St Clair County International Airport) → Portsmouth (Portsmouth International at Pease Airport)
591 mi
951 km · 514 nm
1h 45m
estimated nonstop flight time
Same time
time difference · heading east
See live PHN→PSM fares Phone-only fares on this route — call free
Flight time details
591 miles nonstop takes roughly 1h 45m gate to gate, flying east. 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
- PHN — St Clair County International Airport · Port Huron, 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 PHN
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 PHN from PSM?
The flight distance from Port Huron (PHN) to Portsmouth (PSM) is 591 miles (951 km, 514 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to PSM?
A nonstop flight takes about 1h 45m 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 PHN to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–PSM that never appear on search engines, with no booking fees.