Cheapest return flights from Austin to Athens in September from $570

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

Return flights

25 Sep - 07 Oct Spirit Airlines
07 Sep - 16 Sep Spirit Airlines
05 Sep - 12 Sep Spirit Airlines
04 Sep - 12 Sep Spirit Airlines
06 Sep - 15 Sep Air Canada
05 Sep - 15 Sep Air Canada
12 Sep - 21 Sep Spirit Airlines
12 Sep - 20 Sep Spirit Airlines
19 Sep - 28 Sep Air Canada
11 Sep - 20 Sep Delta

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

Skyscanner

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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