Charge each migrant a processing fee of $30K. All problems solved.
It is well worth it considering that you can take a cab into Saudi Arabia and spend 20 minutes or so going through customs at the end of the causeway on a cool desert night versus a couple of hours or more standing in the hot sun waiting your turn if your flight lands directly in Dammam during the daytime as most of them do.
Biden & Pelosi would take counterfeit money.