Arrive from Iran, take tram or taxi to a budget hostel in the city centre and drop luggage; hostels in the centre save on local transport and open for check-in from mid-morning (confirm in advance).
Walk the compact medieval Upper Town to see St. Mark's tiled roof and the Parliament building; the outdoor area is accessible most of the day and is ideal for photos and orientation.
Take the tram to Mirogoj for a peaceful walk through 19th-century arcades and sculptures (site open dawn–dusk) — a calm, photogenic stop outside the centre.
Explore the Schönbrunn gardens for free and climb to the Gloriette for city views; palace interior tours are extra (palace opening hours vary ~9:00–17:00).
Choose the Belvedere gardens or the contemporary MuseumsQuartier for art; entries cost around EUR10–15 if you opt in (museums generally open ~10:00–18:00).
Take a 1-hour train to Bratislava for a cheap cross-border visit (trains run frequently) or explore the Prater and Hundertwasserhaus in Vienna instead; Bratislava trains run from early morning and are budget-friendly.
Walk the iconic Charles Bridge and visit Old Town Square to see the Astronomical Clock (clock performs hourly); these outdoor sights are free and open all day.
Either visit one museum on Museum Island (check opening hours ~10:00–18:00 and pick one to save) or join a free walking tour (tip-based) to learn city history on a budget.
See Checkpoint Charlie and the Topography of Terror outdoor exhibits (Topography museum free open ~10:00–20:00) for historical context at low or no cost.
Use public transport (U-Bahn or airport bus) or a booked shuttle to reach the airport affordably; aim to arrive 2 hours before flights for international travel.