Originally Posted by Gregg Wannabe
If you take a cab from the SD airport to the American Plaza (across from the Santa Fe train station, maybe 3 miles away) you can take the trolley to the border (San Ysidro). Costs just a few bucks.
If you get hung up for some reason I work across the street, send me a PM.
cab will cost about 20$. Trolley is 5$. OR, you can take the bus from the airport to the trolley. about 1.5 hours depending, and the same 5$ (day pass for all san diego) available on the bus as you get on.