Cheapest return flights from Atlanta to Lisbon in May from 600€

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

Return flights

05 May - 20 May Turkish Airlines
05 May - 19 May Frontier Airlines
01 May - 08 May Frontier Airlines
19 May - 27 May Frontier Airlines
03 May - 10 May Turkish Airlines
02 May - 09 May Frontier Airlines
30 May - 09 Jun Frontier Airlines
10 May - 21 May Spirit Airlines
16 May - 26 May Frontier Airlines
15 May - 22 May Frontier Airlines
06 May - 12 May Frontier Airlines
23 May - 01 Jun Frontier Airlines

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

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