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

Return flights

01 Nov - 08 Nov	Spirit Airlines
08 Nov - 15 Nov	Spirit Airlines
11 Nov - 18 Nov	Frontier Airlines
06 Nov - 13 Nov	Frontier Airlines
10 Nov - 17 Nov	Frontier Airlines
09 Nov - 16 Nov	Spirit Airlines
13 Nov - 20 Nov	Spirit Airlines
16 Nov - 23 Nov	Spirit Airlines
07 Nov - 14 Nov	Spirit Airlines
15 Nov - 22 Nov	Spirit Airlines
29 Nov - 06 Dec	Spirit Airlines
28 Nov - 05 Dec	jetBlue
26 Nov - 03 Dec	Spirit Airlines
27 Nov - 04 Dec	Spirit Airlines
30 Nov - 07 Dec	Spirit Airlines
25 Nov - 02 Dec	jetBlue
24 Nov - 01 Dec	Spirit Airlines

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

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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Cheapest return flights from Atlanta to Keflavik in November from 338€

Return flights