Each city has a genuinely different cost profile, and the “cheapest” answer depends heavily on what kind of lifestyle you are trying to fund.

Nairobi is generally the most expensive of the three for a comparable expat lifestyle, particularly for housing in popular areas such as Kilimani, Lavington or Karen, where good apartments and houses command a real premium. It also has the most developed range of international schools, healthcare and shopping, which is part of why costs sit higher. Nairobi’s advantage is scale and choice: more housing options, more established service providers, and the most developed job market and business ecosystem of the three for people relocating for work.

Kampala tends to sit in the middle, with rent in expat-friendly areas like Kololo, Naguru or Muyenga noticeably cheaper than equivalent Nairobi neighbourhoods, and everyday costs, food, transport, domestic help, generally more affordable too. Kampala’s infrastructure and services are less developed than Nairobi’s in some respects, but the overall cost of a comfortable lifestyle is meaningfully lower.

Kigali has become known for being clean, orderly and safe, and mid-range costs are broadly comparable to or slightly below Kampala, though good housing in the most desirable areas has risen noticeably in recent years as more international organisations and remote workers have moved in. Kigali’s smaller size also means a shorter commute is realistic almost everywhere, which is a genuine quality of life factor even if it does not show up directly in a cost comparison.

None of the three is dramatically cheap by East African standards generally, expat-oriented housing and international schooling in particular carry a real premium across all three cities. If minimising cost is the primary goal, Kampala currently offers the best balance of affordability and reasonable infrastructure. If job opportunities and established infrastructure matter more, Nairobi remains the strongest choice despite the higher cost.