Cheapest return flights from Chicago to Keflavik in June from $641

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

03 Jun - 14 Jun jetBlue
05 Jun - 11 Jun jetBlue
04 Jun - 19 Jun jetBlue
02 Jun - 09 Jun Air Canada
06 Jun - 15 Jun Air Canada
02 Jun - 17 Jun Air Canada
13 Jun - 19 Jun jetBlue
03 Jun - 10 Jun jetBlue
12 Jun - 19 Jun jetBlue
12 Jun - 23 Jun jetBlue
19 Jun - 04 Jul Icelandair direct
23 Jun - 04 Jul Icelandair direct
28 Jun - 09 Jul Icelandair direct
22 Jun - 03 Jul Icelandair direct
27 Jun - 07 Jul Icelandair direct
27 Jun - 04 Jul Icelandair direct
21 Jun - 02 Jul Icelandair direct
29 Jun - 06 Jul Icelandair direct
24 Jun - 01 Jul Icelandair direct
25 Jun - 02 Jul Icelandair 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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