AirHint found the following cheapest return flights from Atlanta (ATL) to Lisbon (LIS) in January 2026 (see full year).

Return flights

21 Jan - 28 Jan	Frontier Airlines
21 Jan - 30 Jan	Frontier Airlines
13 Jan - 07 Feb	Frontier Airlines
24 Jan - 07 Feb	Frontier Airlines
23 Jan - 27 Jan	Frontier Airlines
20 Jan - 28 Jan	Frontier Airlines
19 Jan - 28 Jan	Frontier Airlines
22 Jan - 25 Jan	Scandinavian Airlines
27 Jan - 10 Feb	Air Canada
13 Jan - 21 Jan	Air Canada
21 Jan - 14 Feb	Frontier Airlines
01 Jan - 16 Jan	Lufthansa
01 Jan - 01 Feb	Air France
10 Jan - 14 Jan	Scandinavian Airlines
10 Jan - 17 Jan	Air Canada

Also check the deals for one-way flights from Atlanta to Lisbon in January.

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 Lisbon

Cheap car rent in Lisbon

Cheapest return flights from Atlanta to Lisbon in January from $442

Return flights