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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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Ireland · Turkey

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

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

Dublin and Istanbul compared on cost, safety, weather and size
DublinIrelandIstanbulTurkey
Daily cost, per personestimate
Budget$90$45
Mid-range$205$110
Luxury$440$230
Price level0.85× US (2025)0.41× US (2025)
US advisoryLevel 1Level 2
Best monthsJun, Jul and AugJun, Jul, Aug and Sep
Annual rain1,077 mm766 mm
Average high13.8 °C19.8 °C
Population1.0M15.7M
Time zoneEurope/DublinEurope/Istanbul

The short answer

Istanbul is about 46 % cheaper per day than Dublin, $110 against $205 (mid-range estimate). Dublin has the lower US advisory level (1 vs 2). In September, the daily average is 14 °C in Dublin and 23 °C in Istanbul.

Keep reading

City overviews

  • Dublin overview
  • Istanbul overview

Cost and safety in detail

  • Dublin trip cost
  • Is Dublin safe?
  • Istanbul trip cost
  • Is Istanbul safe?

Where they rank

  • Cheapest cities in Europe
  • Safest cities in Europe

Countries

  • All cities in Ireland
  • All cities in Turkey

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.