AirHint found the following cheapest return flights from Toronto (YYZ) to Nairobi (NBO) in September 2025 (see full year).

Return flights

10 Sep - 24 Sep	Air Canada
21 Sep - 05 Oct	Air Canada
18 Sep - 28 Sep	Delta
16 Sep - 16 Oct	Ethiopian Airlines
25 Sep - 09 Oct	Ethiopian Airlines
20 Sep - 28 Sep	KLM
17 Sep - 28 Oct	Kenya Airways
25 Sep - 11 Oct	Ethiopian Airlines
06 Sep - 27 Sep	Kenya Airways
25 Sep - 12 Oct	Ethiopian Airlines
26 Sep - 13 Oct	Ethiopian Airlines
13 Sep - 25 Sep	Saudia
10 Sep - 15 Sep	Delta
25 Sep - 29 Sep	Delta
03 Sep - 10 Sep	Air Canada
20 Sep - 04 Oct	Ethiopian Airlines
29 Sep - 06 Oct	Ethiopian Airlines
27 Sep - 23 Oct	Delta
03 Sep - 12 Sep	Air Canada
12 Sep - 27 Sep	Delta

Also check the deals for one-way flights from Toronto to Nairobi in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Toronto to Nairobi in September from $823

Return flights