Cheapest return flights from Atlanta to Keflavik in May from 385€

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

Return flights

05 May - 12 May Spirit Airlines
17 May - 24 May jetBlue
18 May - 25 May jetBlue
13 May - 19 May Spirit Airlines
29 May - 05 Jun jetBlue
30 May - 06 Jun jetBlue
26 May - 02 Jun jetBlue
25 May - 01 Jun jetBlue
20 May - 24 May Spirit Airlines
23 May - 04 Jun jetBlue
18 May - 24 May Alaska Airlines
26 May - 04 Jun Spirit Airlines

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

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