Cheapest return flights from Atlanta to Lisbon in December from 443€

AirHint found the following cheapest return flights from Atlanta (ATL) to Lisbon (LIS) in December 2025 (see full year).

Return flights

31 Dec - 08 Jan Air Canada
31 Dec - 07 Jan United
28 Dec - 05 Jan Air Canada
30 Dec - 07 Jan Lufthansa
15 Dec - 26 Dec United
30 Dec - 06 Jan United
29 Dec - 06 Jan Air Canada
25 Dec - 02 Jan Turkish Airlines
14 Dec - 03 Jan United
27 Dec - 04 Jan Lufthansa
20 Dec - 10 Jan Lufthansa

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

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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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