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

Return flights

21 May - 25 May	Air Canada	direct
12 May - 28 May	Air Canada
08 May - 16 May	Air Canada
15 May - 23 May	Delta
26 May - 02 Jun	Air Canada
28 May - 04 Jun	KLM
27 May - 14 Jun	KLM
26 May - 14 Jun	KLM
26 May - 14 Jun	Air Canada	direct
27 May - 14 Jun	Lufthansa	direct
12 May - 28 May	Lufthansa	direct
08 May - 16 May	Lufthansa	direct
26 May - 02 Jun	Aegean Airlines	direct
28 May - 04 Jun	Aegean Airlines	direct
15 May - 23 May	Aegean Airlines	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 547€

Return flights