Chicago to Debrecen (ORD–DEB) — Airlines, Schedules & Connections

US passport holders enter Hungary visa-free for up to 90 days within any 180-day period across the entire Schengen area. No advance application is needed. Hungary is an EU member and Schengen member. Passport must be valid for at least 3 months beyond the planned departure from the Schengen area. At Budapest Ferenc Liszt International Airport (BUD), immigration stamps your passport at the non-EU line.

The 90-day Schengen clock runs across all 29 Schengen countries. Days spent in Austria, Germany, or any other Schengen state count toward the same 90-day limit. Budapest is a natural stopover for Central European itineraries: Vienna is 2 hours 30 minutes by train, Bratislava is 2 hours 30 minutes, and Prague is 6 hours 30 minutes. MÁV Hungarian Railways connects Budapest Keleti to major European cities. The thermal bath culture is central to Budapest: Széchenyi, Gellért, and Rudas baths are open year-round.

Direct flights from New York JFK and Newark to Budapest run about 9 hours 30 minutes on LOT, Wizz Air, and United (seasonal). Hungary uses the Hungarian forint (HUF), trading at roughly 390 HUF per $1. Card payments work at most businesses in Budapest. The BKK transit card works on Budapest's metro (4 lines), trams, and buses at HUF 450 ($1.15) per single ticket or HUF 4,150 ($10.65) for a 72-hour pass. The airport bus 100E runs to Deák Ferenc tér in central Budapest in 35 minutes for HUF 2,200 ($5.65). Restaurant meals in Budapest run HUF 3,000 to HUF 6,000 ($7.70 to $15.40) per person, making it one of Europe's best-value capitals for dining.

CTA Blue Line runs 24/7 from downtown Loop stations to O'Hare (45 min, $5). Pace buses serve suburbs. Ride-shares cost $35–55 from downtown depending on traffic; add 30+ minutes during rush hour on the Kennedy Expressway.Economy parking lots E/F connect via ATS people mover. Terminal 5 (international) is separate from Terminals 1–3; allow extra time for inter-terminal transfers.