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

Return flights

01 May - 16 May	Delta
05 May - 12 May	Air France
05 May - 15 May	Air France
01 May - 12 May	Delta
14 May - 23 May	Delta
01 May - 17 May	Delta
03 May - 17 May	Delta
01 May - 13 May	Delta
07 May - 14 May	Delta
01 May - 11 May	Delta
29 May - 07 Jun	Air Transat
28 May - 29 Jun	Air Transat
29 May - 29 Jun	Air Transat	direct
30 May - 07 Jun	Air Transat
24 May - 02 Jun	KLM
24 May - 02 Jun	Lufthansa	direct
28 May - 04 Jun	KLM
30 May - 07 Jun	Air Canada	direct
29 May - 07 Jun	Lufthansa	direct
28 May - 29 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.

Book a cheap hotel in Athens

Cheap car rent in Athens

Cheapest return flights from Toronto to Athens in May from $560

Return flights