Need help booking?
Unpublished phone-only deals available
PSM to CHS: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Charleston (Charleston Air Force Base-International Airport)
863 mi
1,389 km · 750 nm
2h 21m
estimated nonstop flight time
Same time
time difference · heading southwest
See live PSM→CHS fares Phone-only fares on this route — call free
Flight time details
863 miles nonstop takes roughly 2h 21m gate to gate, flying southwest. 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- CHS — Charleston Air Force Base-International Airport · Charleston, 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 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 CHS
- BFT · Beaufort County Airport48 mi away
- GGE · Georgetown County Airport51 mi away
- HHH · Hilton Head Airport60 mi away
- OGB · Orangeburg Municipal Airport61 mi away
Frequently asked questions
How far is PSM from CHS?
The flight distance from Portsmouth (PSM) to Charleston (CHS) is 863 miles (1,389 km, 750 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to CHS?
A nonstop flight takes about 2h 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 PSM to CHS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–CHS that never appear on search engines, with no booking fees.