Cheapest return flights from Atlanta to Keflavik in November from $428

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

Return flights

22 Nov - 27 Nov Spirit Airlines
14 Nov - 18 Nov Spirit Airlines
17 Nov - 21 Nov Frontier Airlines
22 Nov - 13 Dec Spirit Airlines
13 Nov - 16 Nov Frontier Airlines
20 Nov - 27 Nov Spirit Airlines
30 Nov - 07 Dec Finnair
29 Nov - 06 Dec Spirit Airlines
20 Nov - 30 Nov Spirit Airlines
21 Nov - 30 Nov Spirit Airlines
21 Nov - 29 Nov WestJet
20 Nov - 29 Nov Frontier Airlines

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

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