Cheapest return flights from Atlanta to Lisbon in April from $506

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

Return flights

22 Apr - 29 Apr Frontier Airlines
28 Apr - 06 May Iberia
14 Apr - 20 Apr British Airways
28 Apr - 05 May British Airways
15 Apr - 29 Apr SWISS
27 Apr - 04 May United
22 Apr - 27 Apr Frontier Airlines
12 Apr - 19 Apr Finnair
23 Apr - 28 Apr Iberia
05 Apr - 13 Apr Iberia
13 Apr - 20 Apr Spirit Airlines
30 Apr - 07 May Frontier Airlines
07 Apr - 12 Apr British Airways
22 Apr - 26 Apr British Airways
25 Apr - 02 May Finnair
26 Apr - 03 May Frontier Airlines

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

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