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

Return flights

30 Sep - 17 Oct	Lufthansa
16 Sep - 23 Sep	Delta
24 Sep - 05 Oct	Air Canada
23 Sep - 30 Sep	Scandinavian Airlines
29 Sep - 06 Oct	United
26 Sep - 03 Oct	Delta
17 Sep - 24 Sep	Aer Lingus
25 Sep - 02 Oct	Delta
22 Sep - 29 Sep	Delta
05 Sep - 09 Sep	Lufthansa
20 Sep - 04 Oct	Spirit Airlines
04 Sep - 02 Oct	Turkish Airlines
24 Sep - 01 Oct	Frontier Airlines
18 Sep - 25 Sep	Spirit Airlines
21 Sep - 28 Sep	United
28 Sep - 05 Oct	United
19 Sep - 26 Sep	Frontier Airlines
27 Sep - 04 Oct	Spirit Airlines
04 Sep - 08 Sep	Delta
05 Sep - 20 Sep	Lufthansa

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 $667

Return flights