If you are considering applying for financial aid to assist with the cost of going abroad, be sure to work that element into your personal timeline as well. Some foundations, such as Rotary International, require applications over one year in advance.
There is information about grants, fellowships and scholarships, and loans on this website (see below for links) or in the Financial Aid Binder in the Global Center. Keep in mind that it is very difficult to use USD Financial Aid for global experiences so finding your own funding source is critical.
SOLES Financial Aid - Vist SOLES Financial Aid website to explore SOLES loans and scholarships.
COS database - While this is called the Community of Science, it applies to all disciplines, including education. You can search for funding sources that are specific to you and your interests.