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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 · France

Istanbul vs Paris: 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 Paris compared on cost, safety, weather and size
IstanbulTurkeyParisFrance
Daily cost, per personestimate
Budget$45$80
Mid-range$110$185
Luxury$230$395
Price level0.41× US (2025)0.77× US (2025)
US advisoryLevel 2Level 2
Best monthsJun, Jul, Aug and SepJun, Jul and Aug
Annual rain766 mm961 mm
Average high19.8 °C16.6 °C
Population15.7M2.1M
Time zoneEurope/IstanbulEurope/Paris

The short answer

Istanbul is about 41 % cheaper per day than Paris, $110 against $185 (mid-range estimate). Both carry a US Level 2 advisory. In September, the daily average is 23 °C in Istanbul and 17 °C in Paris.

Keep reading

City overviews

  • Istanbul overview
  • Paris overview

Cost and safety in detail

  • Istanbul trip cost
  • Is Istanbul safe?
  • Paris trip cost
  • Is Paris safe?

Where they rank

  • Cheapest cities in Europe
  • Safest cities in Europe

Countries

  • All cities in Turkey
  • All cities in France

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.