Cheapest return flights from Atlanta to Keflavik in July from $508

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

Return flights

01 Jul - 25 Jul Spirit Airlines
08 Jul - 15 Jul Frontier Airlines
18 Jul - 22 Jul Spirit Airlines
31 Jul - 30 Aug Spirit Airlines
07 Jul - 14 Jul Spirit Airlines
24 Jul - 03 Aug Frontier Airlines
16 Jul - 23 Jul Spirit Airlines
10 Jul - 18 Jul Spirit Airlines
09 Jul - 18 Jul Spirit Airlines
09 Jul - 15 Jul Spirit Airlines
07 Jul - 16 Jul Spirit Airlines
23 Jul - 29 Jul Spirit Airlines
29 Jul - 04 Aug Frontier Airlines
30 Jul - 07 Aug Spirit Airlines
27 Jul - 04 Aug Frontier Airlines
26 Jul - 03 Aug Frontier Airlines
23 Jul - 01 Aug Spirit Airlines
25 Jul - 01 Aug Spirit Airlines

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

Skyscanner

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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