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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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Thailand · South Korea

Phuket vs Seoul: cost, safety and weather compared (2026)

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

Phuket and Seoul compared on cost, safety, weather and size
PhuketThailandSeoulSouth Korea
Daily cost, per personestimate
Budget$25$65
Mid-range$60$155
Luxury$125$335
Price level0.31× US (2025)0.57× US (2025)
US advisoryLevel 1Level 1
Best monthsJan and FebJun and Sep
Annual rain2,081 mm1,469 mm
Average high30.7 °C17.4 °C
Population79K10.3M
Time zoneAsia/BangkokAsia/Seoul

The short answer

Phuket is about 61 % cheaper per day than Seoul, $60 against $155 (mid-range estimate). Both carry a US Level 1 advisory. In September, the daily average is 27 °C in Phuket and 23 °C in Seoul.

Keep reading

City overviews

  • Phuket overview
  • Seoul overview

Cost and safety in detail

  • Phuket trip cost
  • Is Phuket safe?
  • Seoul trip cost
  • Is Seoul safe?

Where they rank

  • Cheapest cities in Asia
  • Safest cities in Asia

Countries

  • All cities in Thailand
  • All cities in South Korea

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.