Cheapest return flights from Atlanta to Keflavik in April from 487€

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

Return flights

24 Apr - 01 May Frontier Airlines
26 Apr - 03 May Frontier Airlines
15 Apr - 20 Apr Frontier Airlines
25 Apr - 02 May Spirit Airlines
13 Apr - 18 Apr Frontier Airlines
03 Apr - 11 Apr Frontier Airlines
06 Apr - 12 Apr Frontier Airlines

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

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