Cheapest return flights from Ottawa to Dublin in October from 535€

AirHint found the following cheapest return flights from Ottawa (YOW) to Dublin (DUB) in October 2025 (see full year).

Return flights

08 Oct - 29 Oct Aer Lingus
09 Oct - 29 Oct Aer Lingus
07 Oct - 28 Oct Aer Lingus
22 Oct - 03 Nov Aer Lingus
21 Oct - 18 Nov Aer Lingus
07 Oct - 14 Oct Aer Lingus
10 Oct - 17 Oct Air Transat
01 Oct - 15 Oct Air Canada
01 Oct - 16 Oct Lufthansa

Also check the deals for one-way flights from Ottawa to Dublin in October.

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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