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

Return flights

24 May - 31 May	Air Canada
11 May - 21 May	Air Canada
11 May - 22 May	Air Canada
05 May - 12 May	Air Canada
27 May - 03 Jun	Air Canada
25 May - 01 Jun	Air Canada
06 May - 22 May	Air Canada
26 May - 02 Jun	Air Canada
29 May - 05 Jun	Air Canada
05 May - 30 May	Air Canada
17 May - 30 May	Air Canada
12 May - 23 May	Air Canada
11 May - 23 May	Air Canada
31 May - 07 Jun	Air Canada
30 May - 06 Jun	Air Canada
23 May - 30 May	Air Canada
28 May - 04 Jun	Air Canada
15 May - 06 Jun	Air Canada
14 May - 06 Jun	Air Canada
16 May - 01 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 528€

Return flights