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

Return flights

04 May - 17 May	Delta
03 May - 17 May	Delta
03 May - 10 May	Air France
04 May - 11 May	Delta
05 May - 12 May	Air France
06 May - 13 May	Air France
05 May - 12 May	Air Canada	direct
10 May - 18 May	Delta
12 May - 20 May	Air France
19 May - 28 May	Air France
31 May - 11 Jun	Air Transat	direct
31 May - 13 Jun	Air Transat	direct
01 May - 19 Jun	Air Transat
23 May - 01 Jun	Air Transat
29 May - 06 Jun	Air Transat
02 May - 05 Jun	WestJet
22 May - 06 Jun	Air Transat
30 May - 20 Jun	Air Transat
28 May - 06 Jun	Air Transat
15 May - 12 Jun	Air Transat

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 486€

Return flights