The airport code for St. Anthony Airport is YAY.
The airport code for Saint-Louis Airport is XLS.
The airport code for St. Michael Airport is SMK.
The airport code for St Helens Airport is HLS.
The airport code for St. Paul Downtown Airport is STP.
The airport code for St. Landry Parish Airport is OPL.
The airport code for St. Theresa Point Airport is YST.
The airport code for Fort St. John Airport is YXJ.
The airport code for St. Gallen-Altenrhein Airport is ACH.
The airport code for St. Paul Island Airport is SNP.
The airport code for St. Catherine International Airport is SKV.
The airport code for St. Louis Downtown Airport is CPS.
The airport code for St. Clair County Airport is PLR.