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One page of sourced numbers per city: what a day costs, what the travel advisory says, and which months score best on the weather.

Data: GeoNames, Open-Meteo, World Bank, US State Department, UK FCDO.

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© 2026 Travel City Index. Every number on this site comes from a dataset named on the page that shows it.
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Turkey · Italy

Istanbul vs Rome: cost, safety and weather compared (2026)

Every figure below comes from the same datasets for both cities, so the two columns are comparable.

Istanbul and Rome compared on cost, safety, weather and size
IstanbulTurkeyRomeItaly
Daily cost, per personestimate
Budget$45$70
Mid-range$110$165
Luxury$230$355
Price level0.41× US (2025)0.69× US (2025)
US advisoryLevel 2Level 2
Best monthsJun, Jul, Aug and SepMay, Jun, Jul and Sep
Annual rain766 mm941 mm
Average high19.8 °C22.5 °C
Population15.7M2.3M
Time zoneEurope/IstanbulEurope/Rome

The short answer

Istanbul is about 33 % cheaper per day than Rome, $110 against $165 (mid-range estimate). Both carry a US Level 2 advisory. In September, the daily average is 23 °C in Istanbul and 23 °C in Rome.

Keep reading

City overviews

  • Istanbul overview
  • Rome overview

Cost and safety in detail

  • Istanbul trip cost
  • Is Istanbul safe?
  • Rome trip cost
  • Is Rome safe?

Where they rank

  • Cheapest cities in Europe
  • Safest cities in Europe

Countries

  • All cities in Turkey
  • All cities in Italy

Sources

  • GeoNames city database — CC BY 4.0, fetched September 14, 2026
  • Open-Meteo climate archive — CC BY 4.0, fetched September 21, 2026
  • World Bank price level and exchange rate — CC BY 4.0, data year 2025
  • US State Department travel advisories — public domain, fetched September 21, 2026

Dates are the most recent fetch across the cities on this page. Every sentence here is generated from the data by rule, with no AI writing; the formulas are public.