Cheapest return flights from Atlanta to Porto in April from $656

Best time to book flights for Atlanta (ATL) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Atlanta (ATL) to Porto (OPO) in April 2025 (see full year).

Return flights

05 Apr - 13 Apr Frontier Airlines
29 Apr - 07 May Turkish Airlines
30 Apr - 07 May Turkish Airlines
16 Apr - 24 Apr Turkish Airlines
29 Apr - 06 May Turkish Airlines
17 Apr - 24 Apr Turkish Airlines
19 Apr - 26 Apr Turkish Airlines
16 Apr - 20 Apr Turkish Airlines
20 Apr - 27 Apr Turkish Airlines
18 Apr - 25 Apr Frontier Airlines

Also check the deals for one-way flights from Atlanta to Porto in April.

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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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