Cheapest return flights from Atlanta to Keflavik in January from 476€

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

Return flights

10 Jan - 17 Jan jetBlue
31 Jan - 07 Feb Spirit Airlines
29 Jan - 05 Feb Spirit Airlines
30 Jan - 06 Feb jetBlue
05 Jan - 12 Jan jetBlue
13 Jan - 07 Feb Spirit Airlines
03 Jan - 10 Jan Frontier Airlines
06 Jan - 13 Jan jetBlue
07 Jan - 14 Jan jetBlue
15 Jan - 22 Jan Spirit Airlines
01 Jan - 08 Jan Frontier Airlines
02 Jan - 09 Jan jetBlue

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

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