AirHint found the following cheapest return flights from Ontario (ONT) to Delhi (DEL) in October 2025 (see full year).

Return flights

15 Oct - 31 Oct	Delta
19 Oct - 26 Oct	Delta
13 Oct - 20 Oct	Delta
08 Oct - 15 Oct	Air India
10 Oct - 18 Oct	Etihad Airways
10 Oct - 17 Oct	Etihad Airways
11 Oct - 18 Oct	Etihad Airways
12 Oct - 19 Oct	Etihad Airways
02 Oct - 09 Oct	Etihad Airways
03 Oct - 10 Oct	Etihad Airways
21 Oct - 21 Nov	Qatar Airways
22 Oct - 02 Nov	China Airlines
18 Oct - 01 Nov	Qatar Airways
12 Oct - 23 Nov	British Airways
05 Oct - 16 Nov	British Airways
21 Oct - 26 Nov	British Airways
11 Oct - 15 Nov	Qatar Airways
10 Oct - 16 Nov	Qatar Airways
11 Oct - 22 Nov	British Airways
03 Oct - 15 Nov	British Airways

Also check the deals for one-way flights from Ontario to Delhi in October.

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 Ontario to Delhi in October from $686

Return flights