Most every airline has an internship program. Now some of them have been suspended because they have bigger fish to fry with their financial issues.
The airlines that I would look at, especially for your major are:
: They usually have a few every semester and they are in a bunch of different areas. They are obviously extremely competitive, however, they are also well known across all industries as some of the best in the country. They have more than what is listed during the summer months.
: They started summer college program last year. They post the interships on their e-recruiting website in early March (at least that's what they did last year). I can't remember too many of them off the top of my head, but I do recall they were across the board from flight ops to emergency management.
: One of the few that I isn't too specific with their internships. From all the information I have read their interships can be in many different areas "depending on departmental needs." So it might be worth looking into them and specifically asking them what they are looking for that semester.
For the other airlines
: Because they are large corporations, I'd also expect them to have internships you would be interested in.
Other than going through your college's career services department (which is a great idea), contacting the human resources departments for different airlines might also work. However, I'd recommend going through your university and pointing them in the right direction (i.e. specific airlines, what you are looking for, phone numbers) because they have some more clout than a college student would (i know from experience
"A pilot's plane she is. She will love you if you deserve it, and try to kill you if you don't...She is the Mighty Q400"