Pack for warm weather and possible afternoon showers in Budapest during June—light layers, breathable fabrics, a compact umbrella, and comfortable walking shoes for cobblestone streets. Because June is peak season, reserve airport transfers, accommodations, and popular attraction tickets in advance, and consider travel insurance that covers delays and cancellations. Check airline baggage rules ahead of time and carry essential items (meds, documents, chargers) in your carry-on in case checked luggage is delayed on connecting itineraries. Stay hydrated during long transatlantic segments and keep electronic copies of travel documents for faster processing at Budapest Airport (BUD). CTA: Prepare now—download itineraries, set fare alerts, and book June transfers for a smoother trip from CAK to BUD.