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

Return flights

27 Sep - 11 Oct	Frontier Airlines
26 Sep - 11 Oct	Frontier Airlines
17 Sep - 11 Oct	Frontier Airlines
07 Sep - 23 Sep	Air Canada
21 Sep - 07 Oct	British Airways
15 Sep - 23 Sep	Air Canada
10 Sep - 23 Sep	British Airways
17 Sep - 22 Sep	Lufthansa
15 Sep - 15 Oct	Lufthansa
25 Sep - 30 Sep	British Airways
11 Sep - 01 Oct	Frontier Airlines
17 Sep - 21 Sep	SWISS
07 Sep - 21 Sep	SWISS
22 Sep - 29 Sep	United
12 Sep - 22 Sep	SWISS
20 Sep - 15 Oct	Frontier Airlines
09 Sep - 16 Sep	United
24 Sep - 01 Oct	United
26 Sep - 12 Oct	Spirit Airlines
29 Sep - 25 Oct	British Airways

Also check the deals for one-way flights from Tampa 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 Tampa to Athens in September from 472€

Return flights