Need help booking?
Unpublished phone-only deals available
ISM to SDM: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → San Diego (Brown Field Municipal Airport)
2,128 mi
3,425 km · 1,849 nm
4h 38m
estimated nonstop flight time
-3h
time difference · heading west
See live ISM→SDM fares Phone-only fares on this route — call free
Flight time details
2,128 miles nonstop takes roughly 4h 38m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, United States
- SDM — Brown Field Municipal Airport · San Diego, 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 SDM
Frequently asked questions
How far is ISM from SDM?
The flight distance from Kissimmee (ISM) to San Diego (SDM) is 2,128 miles (3,425 km, 1,849 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to SDM?
A nonstop flight takes about 4h 38m 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 Diego?
San Diego is 3 hours behind Kissimmee.
What is the cheapest way to fly from ISM to SDM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–SDM that never appear on search engines, with no booking fees.