AirHint found the following cheapest one-way flights from Ottawa (YOW) to Delhi (DEL) in October 2025 (see full year).

One-Way flights

26 Oct	Porter Airlines (Canada) Ltd
05 Oct	Porter Airlines (Canada) Ltd
31 Oct	Porter Airlines (Canada) Ltd
20 Oct	WestJet
18 Oct	WestJet
30 Oct	Porter Airlines (Canada) Ltd
03 Oct	Porter Airlines (Canada) Ltd
02 Oct	Porter Airlines (Canada) Ltd
10 Oct	Porter Airlines (Canada) Ltd
04 Oct	Porter Airlines (Canada) Ltd

Also check the deals for return flights from Ottawa 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 one-way flights from Ottawa to Delhi in October from 469€

One-Way flights