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

Return flights

27 Aug - 04 Sep	Air Canada
27 Aug - 03 Sep	Air Canada
25 Aug - 01 Sep	Air Canada
26 Aug - 02 Sep	Air Canada
25 Aug - 11 Sep	Air Canada
26 Aug - 09 Sep	Air Canada
27 Aug - 09 Sep	Air Canada
20 Aug - 09 Sep	Lufthansa
29 Aug - 05 Sep	Air Canada
31 Aug - 07 Sep	Air Canada
16 Aug - 29 Aug	United
15 Aug - 29 Aug	British Airways
11 Aug - 18 Aug	ITA Airways
06 Aug - 20 Aug	Lufthansa
05 Aug - 31 Aug	United
16 Aug - 30 Aug	United
10 Aug - 23 Aug	Lufthansa
24 Aug - 31 Aug	United
16 Aug - 23 Aug	United
18 Aug - 25 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 404€

Return flights