Cheapest return flights from Atlanta to Keflavik in March from 328€

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

Return flights

27 Mar - 03 Apr Frontier Airlines
29 Mar - 05 Apr Frontier Airlines
24 Mar - 31 Mar Frontier Airlines
28 Mar - 04 Apr Frontier Airlines
25 Mar - 05 Apr Frontier Airlines
25 Mar - 01 Apr Frontier Airlines
31 Mar - 07 Apr Frontier Airlines
26 Mar - 02 Apr Frontier Airlines
30 Mar - 06 Apr Frontier Airlines
27 Mar - 04 Apr Frontier Airlines
03 Mar - 10 Mar Frontier Airlines
18 Mar - 25 Mar Spirit Airlines
23 Mar - 30 Mar Frontier Airlines
20 Mar - 27 Mar Spirit Airlines
16 Mar - 23 Mar Frontier Airlines
19 Mar - 26 Mar Frontier Airlines
10 Mar - 14 Mar Frontier Airlines
21 Mar - 28 Mar Frontier Airlines
22 Mar - 29 Mar Spirit Airlines

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

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