Need help booking?
Unpublished phone-only deals available
ISM to SAN: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → San Diego (San Diego International Airport)
2,140 mi
3,444 km · 1,860 nm
4h 40m
estimated nonstop flight time
-3h
time difference · heading west
See live ISM→SAN fares Phone-only fares on this route — call free
Flight time details
2,140 miles nonstop takes roughly 4h 40m 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
- SAN — San Diego International 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 SAN
Frequently asked questions
How far is ISM from SAN?
The flight distance from Kissimmee (ISM) to San Diego (SAN) is 2,140 miles (3,444 km, 1,860 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to SAN?
A nonstop flight takes about 4h 40m 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 SAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–SAN that never appear on search engines, with no booking fees.