Antigua Tours will provide shuttles from the GUA Airport to Antigua. One way trips will be $25 per person and round trip will be $45 per person.

https://antiguatours.net/weddings/dynek-andrade-wedding/

Shuttles from La Aurora International Airport (GUA) to Antigua:

Arrival at the GUA airport. A driver will be waiting for you at the airport’s exit on the RIGHT side with a sign that says ” DYNEK ANDRADE WEDDING” and take you directly to your hotel in Antigua (1 ½ hour),

Shuttles from Antigua Guatemala to GUA Airport:

Daily: 3am, 8:00am, 11am or 6pm

Shared shuttle from your hotel in Antigua to the GUA international airport in Guatemala City (1 ½ hour)