Airline tickets, room and board and required trips are not qualified education expenses, your can't deduct them, unfortunately.
The
tuition for studying abroad is deductible as a qualified education expense if it is paid to a qualified school. A qualified school is
any college, university, or other post-secondary educational institution eligible to participate in a student aid program
Administered by the U.S. Department of Education.
You
can check online, using U.S.
Federal Student Aid link to check if your university is qualified
educational institution for tax education purposes.