Cheapest return ATL–LIS flights, December

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

Return flights

06 Dec - 13 Dec Scandinavian Airlines
01 Dec - 08 Dec Air Canada
02 Dec - 09 Dec Air Canada
09 Dec - 16 Dec Air Canada
04 Dec - 11 Dec Scandinavian Airlines
03 Dec - 10 Dec Air Canada
27 Dec - 08 Jan Delta
10 Dec - 17 Dec Air Canada
27 Dec - 09 Jan Delta
05 Dec - 12 Dec Lufthansa
13 Dec - 20 Dec American Airlines
26 Dec - 08 Jan Delta
12 Dec - 19 Dec Air Canada
26 Dec - 09 Jan Delta

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

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