AirHint found the following cheapest return flights from Toronto (YTZ) to Athens (ATH) in May 2026 (see full year).

Return flights

02 May - 22 May	Air Canada
01 May - 20 May	Porter Airlines (Canada) Ltd
19 May - 02 Jun	Air Transat
01 May - 31 May	Air Transat
05 May - 12 May	United
05 May - 16 May	United
05 May - 29 May	United
22 May - 30 May	Porter Airlines (Canada) Ltd
16 May - 25 May	Air Canada
15 May - 30 May	Air Transat
21 May - 31 May	Air Canada
13 May - 01 Jun	Emirates
23 May - 01 Jun	Emirates
28 May - 29 Jun	Emirates
29 May - 29 Jun	Emirates

Also check the deals for one-way flights from Toronto to Athens 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 Toronto to Athens in May from $765

Return flights