Cheapest return flights from Atlanta (ATL) to Keflavik (KEF), December

13 dates in December, from $ 500. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
6 Dec 13 Dec Scandinavian Airlines
8 Dec 15 Dec Frontier Airlines
10 Dec 17 Dec Frontier Airlines
9 Dec 16 Dec Frontier Airlines
7 Dec 14 Dec Frontier Airlines
1 Dec 8 Dec Frontier Airlines
14 Dec 21 Dec Frontier Airlines
13 Dec 20 Dec Frontier Airlines
3 Dec 10 Dec Frontier Airlines
6 Dec 22 Dec Frontier Airlines
29 Dec 5 Jan 2027 jetBlue
28 Dec 4 Jan 2027 jetBlue
26 Dec 2 Jan 2027 Frontier Airlines
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Cheapest deals for the full year

Deals for one-way flights from Atlanta to Keflavik in December.

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Updated Oct 9, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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