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PSM to ISM: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Kissimmee (Kissimmee Gateway Airport)
1,180 mi
1,900 km · 1,026 nm
3h 2m
estimated nonstop flight time
Same time
time difference · heading southwest
See live PSM→ISM fares Phone-only fares on this route — call free
Flight time details
1,180 miles nonstop takes roughly 3h 2m 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
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Frequently asked questions
How far is PSM from ISM?
The flight distance from Portsmouth (PSM) to Kissimmee (ISM) is 1,180 miles (1,900 km, 1,026 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to ISM?
A nonstop flight takes about 3h 2m 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 ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–ISM that never appear on search engines, with no booking fees.