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

Return flights

04 May - 11 May	Air Canada
05 May - 12 May	Air Canada
03 May - 10 May	Air Canada
13 May - 20 May	Air Canada
12 May - 19 May	Air Canada
10 May - 21 May	Air Canada
10 May - 22 May	Air Canada
08 May - 17 May	Air Transat
16 May - 29 May	Air Transat
16 May - 24 May	Air Transat
29 May - 12 Jun	Air Transat
16 May - 05 Jun	Air Transat
29 May - 07 Jun	Air Transat
29 May - 05 Jun	Air Transat
27 May - 03 Jun	Air Canada
30 May - 30 Jun	Air Transat
16 May - 30 Jun	Air Transat
29 May - 30 Jun	Air Transat
28 May - 04 Jun	Air Canada
25 May - 01 Jun	Air Canada

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 512€

Return flights