Cheapest one-way flights from Newark to Ottawa in September from $120

Best time to book flights for Newark (EWR) to Ottawa (YOW) flights at AirHint

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

One-Way flights

12 Sep Porter Airlines (Canada) Ltd direct
14 Sep Porter Airlines (Canada) Ltd direct
05 Sep Porter Airlines (Canada) Ltd
23 Sep Porter Airlines (Canada) Ltd direct
05 Sep Porter Airlines (Canada) Ltd direct

Also check the deals for return flights from Newark to Ottawa in September.

Skyscanner

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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