AirHint found the following cheapest return flights from Calgary (YYC) to Athens (ATH) in October 2025 (see full year).

Return flights

17 Oct - 08 Nov	WestJet
20 Oct - 15 Nov	WestJet
06 Oct - 01 Nov	WestJet
22 Oct - 15 Nov	WestJet
16 Oct - 01 Nov	WestJet
13 Oct - 08 Nov	WestJet
03 Oct - 14 Oct	WestJet
24 Oct - 09 Nov	WestJet
17 Oct - 02 Nov	WestJet
13 Oct - 28 Oct	WestJet
10 Oct - 01 Nov	WestJet
17 Oct - 31 Oct	WestJet
30 Oct - 02 Nov	WestJet
03 Oct - 12 Oct	WestJet
04 Oct - 15 Oct	Air Transat
24 Oct - 30 Oct	WestJet
10 Oct - 31 Oct	WestJet
15 Oct - 22 Oct	Air Canada
03 Oct - 25 Oct	WestJet
09 Oct - 26 Oct	WestJet

Also check the deals for one-way flights from Calgary to Athens in October.

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 Calgary to Athens in October from $653

Return flights