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

Return flights

12 Nov - 19 Nov	Spirit Airlines
10 Nov - 17 Nov	Frontier Airlines
09 Nov - 16 Nov	Spirit Airlines
11 Nov - 18 Nov	Spirit Airlines
13 Nov - 20 Nov	Frontier Airlines
14 Nov - 21 Nov	United
16 Nov - 23 Nov	United
08 Nov - 15 Nov	United
15 Nov - 22 Nov	United

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

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

Cheapest return flights from Atlanta to Porto in November from $495

Return flights