Returning to airport. Take I-4 East to 528 (Beach Line) east. On 528 watch for the special "exit ramp" to pay the toll in cash. Then get off 528 at its exit 9 (Tradeport). Left (north) and cross under. (Nice cheap gas station right here on the left.) With the gas station at your left get into middle lane. Required right (east) onto McCoy (becomes Frontage Rd). Next light is 436 (Semoran Blvd), turn right to enter airport.
Going to Disney. Out the north airport exit, left (west) at first light (Frontage). Little over a mile is next light (Conway) where you take two lefts to get on 528 west. Watch for "exit ramp" needed to pay toll using cash. Then on to the end of 528 and I-4 west (southwest) and then Disney exits will appear soon.