AirHint found the following cheapest return flights from Atlanta (ATL) to Keflavik (KEF) in April 2026 (see full year).
Return flights
| 01 Apr - 08 Apr | jetBlue | ||
| 19 Apr - 26 Apr | jetBlue | ||
| 05 Apr - 12 Apr | Frontier Airlines | ||
| 02 Apr - 16 Apr | Lufthansa |
Also check the deals for one-way flights from Atlanta to Keflavik in April.
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