341 Ottawa International Airport YOW Ottawa Large
342 Oxford House Airport YOH Oxford House Small
343 Pakuashipi Airport YIF Pakuashipi Small
344 Pangnirtung Airport YXP Pangnirtung Small
345 Paradise River Airport YDE Paradise River Small
346 Parry Sound Airport YPD Parry Sound Small
347 Paulatuk Airport YPC Paulatuk Small
348 Peace River Airport YPE Peace River Small
349 Pearson International Airport YYZ Toronto Huge
350 Peawanuck Airport YPO Peawanuck Small
351 Pembroke and Area Airport YTA Pembroke Small
352 Pembroke Area Municipal Airport YQS St Thomas Small