Need help booking?
Unpublished phone-only deals available
PRM to ISM: distance & flight time
Portimao (Portimão Airport) → Kissimmee (Kissimmee Gateway Airport)
4,177 mi
6,722 km · 3,630 nm
8h 39m
estimated nonstop flight time
-5h
time difference · heading west
See live PRM→ISM fares Phone-only fares on this route — call free
Flight time details
4,177 miles nonstop takes roughly 8h 39m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- PRM — Portimão Airport · Portimao, Portugal
- 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 PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 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 PRM from ISM?
The flight distance from Portimao (PRM) to Kissimmee (ISM) is 4,177 miles (6,722 km, 3,630 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRM to ISM?
A nonstop flight takes about 8h 39m 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 time difference between Portimao and Kissimmee?
Kissimmee is 5 hours behind Portimao.
What is the cheapest way to fly from PRM to ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRM–ISM that never appear on search engines, with no booking fees.