Cheapest return flights from Chicago to Athens in October from 504€

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

Return flights

21 Oct - 28 Oct KLM
15 Oct - 22 Oct Air France
13 Oct - 21 Oct Delta
04 Oct - 14 Oct Delta
07 Oct - 20 Oct Frontier Airlines
03 Oct - 06 Oct Frontier Airlines
03 Oct - 13 Oct KLM
01 Oct - 04 Oct Porter Airlines (Canada) Ltd
01 Oct - 16 Oct Delta
12 Oct - 19 Oct Frontier Airlines
14 Oct - 08 Nov Frontier Airlines
15 Oct - 01 Nov Delta

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

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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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