A safari can start in Nairobi and end on the Indian Ocean coast. Your Kenya eTA application, though, needs something more specific than a list of places you hope to visit: the details of how you arrive and how you plan to leave. Kenya's embassy guidance on eTA documents lists arrival and departure itinerary details for applicants, with a return transportation booking requested in some cases.
That makes the flight plan worth sorting out early, even when the middle of the trip is still open.
Start with the flights, not the safari schedule
For a straightforward holiday, think of the itinerary as the frame around the trip. The first flight brings you into Kenya; the last leg takes you out. The days between those flights can be filled with a game drive, a few nights in Nairobi, a train to the coast or an extra stop you decide on later.
The Kenya eTA application is an online travel authorization process. The embassy's published document list includes your passport, a photo, accommodation information and arrival and departure itinerary details. Depending on the application, a return transportation booking can be an additional document. This is a more useful distinction than the sweeping claim that every visitor must upload exactly the same type of airline ticket.
If you already have your incoming flight booked, you can work from its actual arrival airport and date. For the exit, choose the route you intend to take rather than automatically selecting a round trip to the same airport.
Nairobi in, Mombasa out? That can be one journey
Kenya lends itself to trips that do not finish where they started. You might land at Nairobi's Jomo Kenyatta International Airport (NBO), spend time in the capital, visit a national park and continue to the coast. In that case, a departure from Mombasa's Moi International Airport (MBA) can describe the end of your trip more naturally than an unnecessary return to Nairobi.
The same thinking works for a wider East African itinerary. Kenya may be the first stop, with another country after it. Your onward journey does not have to be a flight home just because you are not buying a conventional return fare. What matters for the application is describing the actual exit plan in the format requested.
One detail makes a big difference: Nairobi to Mombasa is domestic travel. It gets you to the coast, but it is not your departure from Kenya. If you plan to finish the visit in Mombasa, the international leg after that is the one that describes your exit.
For help deciding where an onward flight should go, the existing guide to choosing an onward destination explains the route logic without tying you to a particular airline.
What the itinerary should show
A useful flight document makes the journey easy to read. It identifies the passenger, travel dates, departure and arrival airports, airline and flight details. A booking confirmation can also contain a reservation reference. Keep the entry and exit sectors together when you are presenting the whole trip.
The date on your itinerary should reflect the stay you actually plan. If you arrive in Nairobi on a Friday and leave Kenya after a two-week holiday, use those dates consistently in the application and accommodation details. There is no advantage in adding extra flights simply to make the route look elaborate.
A reservation and an issued ticket are separate airline records. The embassy's wording is useful here: travel itinerary details are part of the general application, while return transportation booking is listed as an additional item for certain applicants. If your application requests the latter, supply the supporting booking it asks for. The official embassy document list makes that distinction explicit.
When to prepare the flight details
Kenya's immigration service publishes a standard eTA processing period of three working days. The Directorate of Immigration Services and the Kenyan embassy both provide that timeframe. Plan the application ahead of the flight rather than treating it like a form to finish at the departure gate.
It also helps to separate two dates that are easy to mix up. Your flight date is when you intend to travel. The life of a temporary airline reservation is how long that booking remains active in the airline system. They are not the same clock. If you are using a short-lived reservation to document the itinerary, its active period needs to cover the point when you submit or present it.
The article on onward ticket validity and timing explains this difference in more detail.
What happens at the airport
Your eTA and your flight itinerary answer different questions. The eTA records the travel authorization; the itinerary describes your journey. Keep the authorization, passport and travel details accessible when you check in. Airline staff may review the onward route along with the other documents for your destination.
There is no need to carry a complicated travel binder. A readable PDF, the relevant booking reference and a copy of the approved eTA are far more useful than a dozen disconnected screenshots. The guide to airline document checks at check-in shows how those airport checks are organized.
For a Kenya trip, the best flight plan is the one that follows your actual route: arrive where the adventure begins, leave from where it ends, and give the eTA form the travel details it requests.