Cheapest return flights from Atlanta to Porto in August from $1014

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 August 2025 (see full year).

Return flights

06 Aug - 13 Aug jetBlue
10 Aug - 17 Aug jetBlue
11 Aug - 18 Aug Lufthansa
05 Aug - 12 Aug Lufthansa
04 Aug - 11 Aug Lufthansa
07 Aug - 14 Aug United
09 Aug - 16 Aug Lufthansa
03 Aug - 10 Aug Lufthansa
08 Aug - 15 Aug jetBlue
01 Aug - 08 Aug Air France

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

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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