Cheapest return flights from Chicago to Athens in May from $839

Best time to book flights for Chicago (MDW) to Athens (ATH) flights at AirHint

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

Return flights

24 May - 07 Jun Frontier Airlines
06 May - 13 May Air France
04 May - 20 May KLM
06 May - 14 May Air France
11 May - 20 May Delta
09 May - 19 May Frontier Airlines
08 May - 15 May Air France
12 May - 19 May Air France
09 May - 16 May Air France
01 May - 08 May Air France
15 May - 22 May Delta
12 May - 09 Jun Frontier Airlines
27 May - 10 Jun KLM
27 May - 03 Jun Delta
25 May - 03 Jun Delta
27 May - 05 Jun KLM
21 May - 01 Jun Air France

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

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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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