Cheapest return flights from Chicago to Keflavik in June from $526

Best time to book flights for Chicago (ORD) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Keflavik (KEF) in June 2025 (see full year).

Return flights

02 Jun - 09 Jun Icelandair direct
06 Jun - 11 Jun Icelandair direct
07 Jun - 11 Jun Icelandair direct
03 Jun - 09 Jun Icelandair direct
21 Jun - 29 Jun Spirit Airlines
08 Jun - 18 Jun Icelandair direct
04 Jun - 17 Jun Icelandair direct
03 Jun - 07 Jun Air Canada
06 Jun - 13 Jun Spirit Airlines
20 Jun - 06 Jul Spirit Airlines
06 Jun - 13 Jun Icelandair direct
24 Jun - 08 Jul Frontier Airlines
24 Jun - 08 Jul Icelandair direct
21 Jun - 10 Jul Icelandair direct
21 Jun - 02 Jul United direct
20 Jun - 06 Jul United direct

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

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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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