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

Return flights

07 May - 14 May	Air France
16 May - 23 May	Air France
14 May - 28 May	Delta
13 May - 23 May	Air France
02 May - 15 May	Air France
13 May - 18 May	Delta
13 May - 25 May	Air France
02 May - 20 May	Air France
11 May - 15 May	Delta
03 May - 24 May	Delta
22 May - 06 Jun	Air Transat	direct
29 May - 21 Jun	Air Transat
29 May - 29 Jun	Air Transat	direct
19 May - 02 Jun	Air France
26 May - 04 Jun	Delta
26 May - 03 Jun	Air France
26 May - 03 Jun	Lufthansa	direct
26 May - 13 Jun	Air France
05 May - 29 Jun	Air France
29 May - 21 Jun	Air Canada	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 487€

Return flights