Cheapest return flights from Atlanta to Keflavik in March from $291

Best time to book flights for Atlanta (ATL) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Atlanta (ATL) to Keflavik (KEF) in March 2025 (see full year).

Return flights

04 Mar - 12 Mar Spirit Airlines
03 Mar - 11 Mar Spirit Airlines
05 Mar - 12 Mar Spirit Airlines
04 Mar - 11 Mar Spirit Airlines
31 Mar - 07 Apr Frontier Airlines
11 Mar - 18 Mar Spirit Airlines
29 Mar - 05 Apr Spirit Airlines
01 Mar - 04 Mar Frontier Airlines
10 Mar - 18 Mar Spirit Airlines
10 Mar - 17 Mar Frontier Airlines
12 Mar - 17 Mar Frontier Airlines
14 Mar - 18 Mar Frontier Airlines

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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