AirHint found the following cheapest return flights from Ottawa (YOW) to Rome (FCO) in May 2026 (see full year).

Return flights

11 May - 01 Jun	Air Transat
25 May - 05 Jun	Air Transat
05 May - 14 May	Air France
04 May - 25 May	Air France
05 May - 26 May	Air France
05 May - 20 May	Air France
06 May - 27 May	WestJet
05 May - 01 Jun	Air Canada
07 May - 22 May	WestJet
06 May - 22 May	Porter Airlines (Canada) Ltd
06 May - 28 May	WestJet
19 May - 09 Jun	Air Canada
13 May - 23 May	Porter Airlines (Canada) Ltd
09 May - 26 May	WestJet
20 May - 11 Jun	Air Canada

Also check the deals for one-way flights from Ottawa to Rome in May.

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 Ottawa to Rome in May from 542€

Return flights