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

Return flights

10 Sep - 18 Sep	Spirit Airlines
10 Sep - 25 Sep	Spirit Airlines
24 Sep - 08 Oct	Sun Country Airlines
23 Sep - 30 Sep	Lufthansa
01 Sep - 09 Sep	Icelandair
23 Sep - 07 Oct	Sun Country Airlines
28 Sep - 07 Oct	Icelandair
03 Sep - 11 Sep	Air Canada
25 Sep - 09 Oct	Sun Country Airlines
02 Sep - 10 Sep	Air Canada
17 Sep - 25 Sep	Air Canada
30 Sep - 07 Oct	Icelandair
08 Sep - 16 Sep	Air Canada
15 Sep - 23 Sep	Air Canada
16 Sep - 24 Sep	Air Canada
01 Sep - 01 Oct	Sun Country Airlines
29 Sep - 07 Oct	Icelandair
23 Sep - 01 Oct	Delta
24 Sep - 02 Oct	Delta
28 Sep - 06 Oct	KLM

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

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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Cheapest return flights from Minneapolis to Athens in September from $603

Return flights