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ISM to SAT: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → San Antonio (San Antonio International Airport)
1,033 mi
1,662 km · 897 nm
2h 43m
estimated nonstop flight time
-1h
time difference · heading west
See live ISM→SAT fares Phone-only fares on this route — call free
Flight time details
1,033 miles nonstop takes roughly 2h 43m gate to gate, flying west. 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
- SAT — San Antonio International Airport · San Antonio, 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 SAT
- RND · Randolph Air Force Base11 mi away
- SKF · Lackland Air Force Base12 mi away
- SSF · Stinson Municipal Airport14 mi away
- AUS · Austin Bergstrom International Airport66 mi away
Frequently asked questions
How far is ISM from SAT?
The flight distance from Kissimmee (ISM) to San Antonio (SAT) is 1,033 miles (1,662 km, 897 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to SAT?
A nonstop flight takes about 2h 43m 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 San Antonio?
San Antonio is 1 hour behind Kissimmee.
What is the cheapest way to fly from ISM to SAT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–SAT that never appear on search engines, with no booking fees.