Sources told The Wall Street Journal that the Trump administration is considering the alternative because coronavirus tests are increasingly available in the United States.
Before and after flights, some travel corridors will require fliers to be checked.
U.S. passengers are officially effectively forbidden from accessing the European Union and must face a 14-day quarantine if they enter the UK.
Only U.S. nationals and EU permanent residents are permitted to return to the States.
A timetable for restarting travel is elusive and how infection rates will progress this winter is still unknown.
The Journal was informed by the Transportation Department that the government was willing to help the effort to move forward.