Nationals of Angola, Benin, Central African Republic, Chad, Cote d’Ivoire, Democratic Republic of Congo, The Federation of Saint Christopher and Nevis, Ghana, Guinea, Indonesia, Haiti, Mauritius, Philippines, Senegal, Seychelles, Sierra Leone, Sao Tome and Principe, Singapore and the Qatar can enter for 90 days without a visa.
Visas cost US$50 for a single entry or US$70 for multi entry.
An East Africa tourist visa is available for US$100 for visitors that want to visit Kenya, Rwanda and Uganda. It is valid for 90 days.
If you are wanting a visa on arrival, make sure you have a return/onward ticket, six months validity left in your passport, proof of hotel booking and proof you have enough money to look after yourself.
Visa information Rwanda
Rwanda embassy UK