Ben-Gurion International Airport is serviced by numerous airlines from around the world. It is located about 15 minutes (at good traffic times!) from the Bar-Ilan campus, 30 minutes from downtown Tel Aviv and one hour from Jerusalem.
For arrival, departure and transportation to and from the airport look here.
A taxi from the airport to the Bar-Ilan campus or the recommended hotel should cost about $25 US. The current rate of exchange is about 4 NIS (New Israeli Shekel) to the $US, 5.76 NIS to the Euro, 8.06 NIS to the Pound Sterling.
Please address any questions about transportation to Stuart Margolis.