Cheapest return flights from Atlanta to Lisbon in May from $674

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

Return flights

13 May - 29 May Turkish Airlines
04 May - 30 May Turkish Airlines
09 May - 30 May Turkish Airlines
18 May - 29 May British Airways
21 May - 28 May Air Canada
20 May - 13 Jun Air Canada
26 May - 20 Jun jetBlue
30 May - 20 Jun jetBlue

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

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