Cheapest return flights from Chicago to Keflavik in June from $456

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

10 Jun - 17 Jun Spirit Airlines
06 Jun - 17 Jun jetBlue
11 Jun - 17 Jun Spirit Airlines
03 Jun - 10 Jun Spirit Airlines
04 Jun - 10 Jun Spirit Airlines
03 Jun - 09 Jun Icelandair direct
04 Jun - 09 Jun Icelandair direct
12 Jun - 17 Jun jetBlue
13 Jun - 18 Jun Spirit Airlines
05 Jun - 10 Jun Spirit Airlines
24 Jun - 01 Jul Spirit Airlines
27 Jun - 08 Jul Spirit Airlines
25 Jun - 01 Jul jetBlue
23 Jun - 01 Jul jetBlue
30 Jun - 07 Jul Icelandair direct
29 Jun - 07 Jul Icelandair direct
30 Jun - 08 Jul jetBlue
28 Jun - 09 Jul Icelandair direct
30 Jun - 08 Jul Icelandair direct
26 Jun - 04 Jul United

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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