Cheapest return flights from Ottawa to Athens in September from 598€

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

Return flights

28 Sep - 16 Oct Porter Airlines (Canada) Ltd
30 Sep - 07 Oct Condor
29 Sep - 06 Oct WestJet
23 Sep - 30 Sep Porter Airlines (Canada) Ltd
09 Sep - 31 Oct Porter Airlines (Canada) Ltd
10 Sep - 07 Oct Air France

Also check the deals for one-way flights from Ottawa to Athens 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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