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ISM to SFO: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → San Francisco (San Francisco International Airport)
2,439 mi
3,925 km · 2,119 nm
5h 15m
estimated nonstop flight time
-3h
time difference · heading northwest
See live ISM→SFO fares Phone-only fares on this route — call free
Flight time details
2,439 miles nonstop takes roughly 5h 15m gate to gate, flying northwest. 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
- SFO — San Francisco International Airport · San Francisco, 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 SFO
- SQL · San Carlos Airport10 mi away
- HAF · Half Moon Bay Airport10 mi away
- OAK · Metropolitan Oakland International Airport11 mi away
- NGZ · Alameda Naval Air Station12 mi away
Frequently asked questions
How far is ISM from SFO?
The flight distance from Kissimmee (ISM) to San Francisco (SFO) is 2,439 miles (3,925 km, 2,119 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to SFO?
A nonstop flight takes about 5h 15m 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 Francisco?
San Francisco is 3 hours behind Kissimmee.
What is the cheapest way to fly from ISM to SFO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–SFO that never appear on search engines, with no booking fees.