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

Return flights

05 May - 19 May	Air France
19 May - 26 May	Air Canada	direct
12 May - 28 May	Air Canada
13 May - 31 May	KLM
05 May - 19 May	Air Canada	direct
07 May - 23 May	Air Canada
07 May - 22 May	Air Canada	direct
09 May - 30 May	Air Canada
01 May - 10 May	Air Transat
22 May - 05 Jun	KLM
22 May - 05 Jun	Lufthansa	direct
09 May - 30 May	Lufthansa	direct

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 $747

Return flights