Originally Posted by
duchy
Alphabetically
Missing letters are H,Q, U, W and Z so perhaps I should try and find a trip including airport codes that start with these letters

UVF sounds nice- Z I've technically done as the bus station at Birmingham airport has the IATA code of ZBC , Q is tougher and H looks very easy

Querétaro, Mexico (QRO) is a nice place with year-round beautiful weather.