Cheapest return flights from Atlanta to Porto in March from $564

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 March 2025 (see full year).

Return flights

05 Mar - 13 Mar Spirit Airlines
12 Mar - 20 Mar Frontier Airlines
09 Mar - 17 Mar Frontier Airlines
10 Mar - 18 Mar Frontier Airlines
05 Mar - 19 Mar Spirit Airlines
04 Mar - 12 Mar Frontier Airlines
25 Mar - 02 Apr Frontier Airlines
19 Mar - 27 Mar Frontier Airlines
17 Mar - 25 Mar Scandinavian Airlines
24 Mar - 01 Apr Scandinavian Airlines
02 Mar - 10 Mar KLM
03 Mar - 11 Mar Air France
26 Mar - 03 Apr Air France
27 Mar - 04 Apr Delta
28 Mar - 05 Apr Frontier Airlines

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

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.

Book a cheap hotel in Porto

Cheap car rent in Porto