Transiting through Addis Ababa Airport ? if you want to leave the airport for a short time or a day before transferring to the next flight, you need to obtain a transit visa. But if you do not need to go out of the airport you don’t Need a transit visa; you can stay at the airport without a visa till you get to your next flight.
The transit visa can be obtained online or at the airport for every nationality and countries citizens. please note If you take Ethiopian Airlines on both of connecting flights, and the connecting time of the flight exceeds 8 hours, the airline can arrange a free transit visa and free accommodation for you. On a condition, there are no other flights with shorter connecting times.