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

Return flights

02 Jun - 09 Jun	WestJet
03 Jun - 10 Jun	United
08 Jun - 15 Jun	United
01 Jun - 08 Jun	Air Canada
04 Jun - 11 Jun	United
05 Jun - 12 Jun	United
30 Jun - 07 Jul	United
09 Jun - 17 Jun	Air France
24 Jun - 01 Jul	KLM
06 Jun - 13 Jun	United
26 Jun - 03 Jul	United
07 Jun - 14 Jun	Delta
28 Jun - 05 Jul	Delta
29 Jun - 06 Jul	Air France
25 Jun - 02 Jul	KLM
27 Jun - 04 Jul	United
17 Jun - 23 Jun	WestJet

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

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 June from $691

Return flights