AirHint found the following cheapest return flights from Miami (MIA) to Athens (ATH) in August 2025 (see full year).

Return flights

20 Aug - 09 Sep	Air Canada
31 Aug - 12 Sep	Air Canada
13 Aug - 27 Aug	British Airways
26 Aug - 09 Sep	Delta
06 Aug - 20 Aug	British Airways
10 Aug - 18 Aug	British Airways
28 Aug - 04 Sep	Air Canada
31 Aug - 07 Sep	Air Canada
07 Aug - 22 Aug	Delta
14 Aug - 27 Aug	Air Canada
25 Aug - 08 Sep	Air Canada
31 Aug - 10 Sep	Iberia
09 Aug - 22 Aug	Air Canada
25 Aug - 01 Sep	United
29 Aug - 05 Sep	British Airways
16 Aug - 23 Aug	United
29 Aug - 06 Sep	Air Canada
07 Aug - 23 Aug	Air Europa
06 Aug - 13 Aug	Turkish Airlines
03 Aug - 17 Aug	Turkish Airlines

Also check the deals for one-way flights from Miami to Athens in August.

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 Miami to Athens in August from $497

Return flights