Talk to your autistic child about the upcoming trip. Use a storyboard or other visual displays to help your child understand what is coming in the near future. Reassure him that his whole family will travel with him, so that he does not have to be afraid. This will help to prevent your child from being startled at unknown things because you will have talked to him ahead of time.
Show your autistic child as much information as you can before the trip takes place. If he has never been on a bus, take a bus trip. If he has never been on a train, show him the trains and the train station. If he has never been on an airplane, bring him to an airport to explain what happens when people go there.
Assist your autistic child with packing for the trip. Let your autistic child bring her favorite things. Talk about the items she will need. Show her that you are packing her favorite things.
Contact the airlines, trains, and other means of travel and explain that you are traveling with an autistic child. Ask for any special considerations you may need ahead of time. If your autistic child has allergies, mention it.
Show your autistic child pictures of the destination. Explain the sights and sounds he will see. Show pictures of relatives and friends who could be at your destination.
Adjust your travel schedule as needed to accommodate your autistic child. Plan extra breaks, special time to unwind, and bring toys, books and other items to distract her. Stop more frequently if you are driving, so that your autistic child can get out and run around for a few minutes.