Cheapest return flights from Atlanta to Keflavik in April from 338€

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

Return flights

05 Apr - 12 Apr Frontier Airlines
14 Apr - 21 Apr Spirit Airlines
02 Apr - 09 Apr Frontier Airlines
01 Apr - 08 Apr Spirit Airlines
08 Apr - 15 Apr Spirit Airlines
01 Apr - 06 Apr Frontier Airlines
10 Apr - 17 Apr Spirit Airlines
23 Apr - 30 Apr Spirit Airlines
28 Apr - 05 May Spirit Airlines
19 Apr - 26 Apr Spirit Airlines

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

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