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January is high season for travel to Costa Rica, so departures from Charleston International Airport (CHS) to Juan Santamaría International Airport (SJO) often require earlier planning and advance booking. Expect higher demand for flights connecting through Atlanta (ATL), Charlotte (CLT), or Miami (MIA). For January departures, secure airport parking in advance, arrive 2–3 hours before international flights, and verify passport validity. Pack lightweight, tropical clothing for San José and bring a light rain layer for microclimates; January is part of Costa Rica’s dry season but mountain and rainforest areas can still see showers. Use primary keywords like "CHS to SJO flights" and "Charleston to San José airfare" when searching; set fare alerts and book refundable or flexible tickets if travel dates might shift.
Arriving at Juan Santamaría International Airport (SJO) in January places you in the heart of Costa Rica’s dry season and peak tourism window. Expect higher passenger volumes and plan for transfers to San José, Alajuela, Arenal/La Fortuna, Manuel Antonio, Monteverde, or Tamarindo. January is an excellent month for outdoor excursions like Arenal hikes and Manuel Antonio beach days, so pre-book guided tours and ground transport. Use keywords such as "SJO arrival January" and "San José airport transfers" when searching for shuttles or private cars, and confirm prices and pickup points before you land to make your arrival smooth and stress-free.