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

Return flights

10 Sep - 24 Sep	Delta
17 Sep - 24 Sep	Delta
26 Sep - 29 Oct	Delta
10 Sep - 10 Oct	Delta
15 Sep - 29 Sep	Delta
30 Sep - 19 Oct	Delta
21 Sep - 20 Oct	Delta
24 Sep - 06 Oct	Delta
12 Sep - 22 Sep	Delta
18 Sep - 23 Sep	Delta
12 Sep - 26 Sep	Delta
12 Sep - 24 Sep	Delta
16 Sep - 28 Sep	Delta
14 Sep - 11 Oct	Delta
12 Sep - 23 Sep	Delta
08 Sep - 11 Sep	Delta
07 Sep - 05 Oct	KLM
26 Sep - 04 Oct	Delta
25 Sep - 01 Oct	KLM
19 Sep - 09 Oct	Delta

Also check the deals for one-way flights from Toronto to Lagos 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 Lagos in September from $898

Return flights