Cheapest return flights from Kansas City to Athens in September from $675

Best time to book flights for Kansas City (MCI) to Athens (ATH) flights at AirHint

AirHint found the following cheapest return flights from Kansas City (MCI) to Athens (ATH) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep Spirit Airlines
16 Sep - 23 Sep Delta
15 Sep - 22 Sep Delta
26 Sep - 03 Oct Spirit Airlines
30 Sep - 07 Oct Spirit Airlines
17 Sep - 24 Sep Spirit Airlines
19 Sep - 26 Sep Spirit Airlines
20 Sep - 27 Sep Spirit Airlines
25 Sep - 02 Oct Spirit Airlines
29 Sep - 06 Oct Spirit Airlines
18 Sep - 25 Sep Spirit Airlines
27 Sep - 04 Oct Spirit Airlines
22 Sep - 29 Sep Delta
28 Sep - 05 Oct Alaska Airlines
24 Sep - 01 Oct Delta
21 Sep - 28 Sep Spirit Airlines

Also check the deals for one-way flights from Kansas City to Athens in September.

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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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