- Alton Airport may refer to various airports around the world. Here are a few possibilities:
- 1. Alton-St. Louis Regional Airport: Located in Alton, Illinois, United States, it is a public airport serving the St. Louis metropolitan area.
- 2. Altona Airport: Located in Altona, Victoria, Australia, it is a small airport primarily used for recreational aviation.
- 3. Alton Downs Airport: Located in Alton Downs, Queensland, Australia, it is a private airstrip.
- 4. Alton Bay Seaplane Base: Located in Alton Bay, New Hampshire, United States, it is a seaplane base on Lake Winnipesaukee.
- These are just a few examples, and there may be other airports with similar names in different locations.