Cheapest return flights from Charlotte to Keflavik in April from $519

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

Return flights

13 Apr - 21 Apr Spirit Airlines
08 Apr - 16 Apr Spirit Airlines
09 Apr - 17 Apr Spirit Airlines
18 Apr - 25 Apr Frontier Airlines
06 Apr - 14 Apr Frontier Airlines
14 Apr - 22 Apr Spirit Airlines
27 Apr - 04 May Frontier Airlines
12 Apr - 20 Apr Spirit Airlines
24 Apr - 01 May Frontier Airlines
19 Apr - 26 Apr Spirit Airlines
01 Apr - 08 Apr Spirit Airlines
07 Apr - 15 Apr Spirit Airlines
28 Apr - 05 May Spirit Airlines
29 Apr - 06 May Spirit Airlines

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

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