Cheapest return flights from Atlanta to Keflavik in May from $406

Best time to book flights for Atlanta (ATL) to Keflavik (KEF) flights at AirHint

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

Return flights

06 May - 13 May Spirit Airlines
12 May - 19 May Spirit Airlines
05 May - 13 May Spirit Airlines
13 May - 20 May Spirit Airlines
09 May - 16 May Spirit Airlines
14 May - 21 May Spirit Airlines
07 May - 14 May Spirit Airlines
02 May - 09 May Spirit Airlines
13 May - 21 May Spirit Airlines
05 May - 12 May Spirit Airlines
30 May - 06 Jun jetBlue
29 May - 05 Jun Air France
23 May - 01 Jun jetBlue

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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