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

Return flights

07 Sep - 28 Sep	British Airways
09 Sep - 24 Sep	British Airways
09 Sep - 29 Sep	British Airways
07 Sep - 27 Sep	British Airways
08 Sep - 27 Sep	Kenya Airways
03 Sep - 27 Sep	Kenya Airways
06 Sep - 27 Sep	Kenya Airways
28 Sep - 09 Oct	Air Canada
06 Sep - 28 Sep	Air Canada
10 Sep - 27 Sep	Kenya Airways
05 Sep - 27 Sep	Kenya Airways
21 Sep - 01 Oct	British Airways

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 698€

Return flights