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

Return flights

20 Sep - 02 Oct	Spirit Airlines
22 Sep - 07 Oct	Spirit Airlines
10 Sep - 17 Sep	Spirit Airlines
17 Sep - 01 Oct	British Airways
29 Sep - 07 Oct	Spirit Airlines
20 Sep - 03 Oct	Delta
22 Sep - 08 Oct	United
29 Sep - 13 Oct	Frontier Airlines
17 Sep - 30 Sep	Delta
20 Sep - 06 Oct	Spirit Airlines
22 Sep - 26 Sep	Spirit Airlines
22 Sep - 06 Oct	Spirit Airlines
15 Sep - 26 Sep	Spirit Airlines
15 Sep - 29 Sep	Lufthansa
17 Sep - 26 Sep	Delta
17 Sep - 29 Sep	Delta

Also check the deals for one-way flights from New Orleans 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 New Orleans to Athens in September from 538€

Return flights