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

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

Return flights

11 May - 20 May Frontier Airlines
16 May - 23 May Frontier Airlines
28 May - 04 Jun Frontier Airlines
19 May - 26 May Frontier Airlines
27 May - 03 Jun Frontier Airlines
30 May - 06 Jun Frontier Airlines
15 May - 22 May Frontier Airlines
26 May - 04 Jun Frontier Airlines
26 May - 02 Jun Frontier Airlines
29 May - 05 Jun Frontier Airlines
25 May - 01 Jun Frontier Airlines
17 May - 24 May Frontier Airlines
18 May - 25 May Frontier Airlines
23 May - 30 May Spirit Airlines
22 May - 29 May Frontier Airlines
20 May - 27 May Frontier Airlines
22 May - 25 May Frontier Airlines

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

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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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