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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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Spain · United Kingdom

Barcelona vs London: cost, safety and weather compared (2026)

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

Barcelona and London compared on cost, safety, weather and size
BarcelonaSpainLondonUnited Kingdom
Daily cost, per personestimate
Budget$65$105
Mid-range$150$245
Luxury$320$520
Price level0.65× US (2025)0.89× US (2025)
US advisoryLevel 2Level 2
Best monthsJun, Jul, Aug and SepMay, Jun, Jul and Aug
Annual rain722 mm763 mm
Average high21.1 °C15.6 °C
Population1.7M9.0M
Time zoneEurope/MadridEurope/London

The short answer

Barcelona is about 39 % cheaper per day than London, $150 against $245 (mid-range estimate). Both carry a US Level 2 advisory. In September, the daily average is 22 °C in Barcelona and 16 °C in London.

Keep reading

City overviews

  • Barcelona overview
  • London overview

Cost and safety in detail

  • Barcelona trip cost
  • Is Barcelona safe?
  • London trip cost
  • Is London safe?

Where they rank

  • Cheapest cities in Europe
  • Safest cities in Europe

Countries

  • All cities in Spain
  • All cities in United Kingdom

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.