Cheapest return flights from Ottawa to Newark in September from $208

AirHint found the following cheapest return flights from Ottawa (YOW) to Newark (EWR) in September 2025 (see full year).

Return flights

23 Sep - 08 Oct Porter Airlines (Canada) Ltd direct
25 Sep - 28 Sep Porter Airlines (Canada) Ltd
03 Sep - 03 Sep Porter Airlines (Canada) Ltd direct
03 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
03 Sep - 20 Sep Porter Airlines (Canada) Ltd direct
17 Sep - 20 Sep Porter Airlines (Canada) Ltd direct
05 Sep - 10 Sep Porter Airlines (Canada) Ltd direct
05 Sep - 20 Sep Porter Airlines (Canada) Ltd direct
03 Sep - 17 Sep Porter Airlines (Canada) Ltd direct
25 Sep - 28 Sep Porter Airlines (Canada) Ltd direct
17 Sep - 17 Sep Porter Airlines (Canada) Ltd direct

Also check the deals for one-way flights from Ottawa to Newark in September.

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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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