Tickets are non-refundable but are good for up to one year after purchase and are transferrable.
There are a number of convenient ways to purchase CBX tickets.
To use the CBX skywalk bridge you must have a CBX ticket and airline boarding pass for a flight either departing Tijuana Airport within 24 hours or having arrived within 2 hours. Each CBX ticket is valid for crossing the skywalk bridge one way.
In person at the CBX terminal in San Diego or at the Tijuana Airport skywalk entrance.