Walk-up fare, Fayetteville, AR - Texas?

Question

So I have to get from Fayetteville, AR to pref. San Antonio in Texas to take a bus from there to Monterrey Mexico.
Anyone have an idea about the walk-up last minute fare?

Answer 1

1. Go to the website of the airline you on which you will travel and look for the cost of the walk-up fare.

2. Call the airline and ask the cost of the walk-up fare.