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ISM to SUS: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Null (Spirit of St Louis Airport)
891 mi
1,434 km · 774 nm
2h 24m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ISM→SUS fares Phone-only fares on this route — call free
Flight time details
891 miles nonstop takes roughly 2h 24m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, United States
- SUS — Spirit of St Louis Airport · Null, 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 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
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is ISM from SUS?
The flight distance from Kissimmee (ISM) to Null (SUS) is 891 miles (1,434 km, 774 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to SUS?
A nonstop flight takes about 2h 24m 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 Kissimmee and Null?
Null is 1 hour behind Kissimmee.
What is the cheapest way to fly from ISM to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–SUS that never appear on search engines, with no booking fees.