Cheapest return flights from Chicago to Keflavik in July from 601€

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 July 2025 (see full year).

Return flights

10 Jul - 18 Jul United direct
24 Jul - 04 Aug jetBlue
25 Jul - 05 Aug jetBlue
29 Jul - 09 Aug jetBlue
27 Jul - 17 Aug United
02 Jul - 08 Jul Icelandair direct
02 Jul - 14 Jul Icelandair direct
01 Jul - 10 Jul Icelandair direct
12 Jul - 21 Jul Icelandair direct
27 Jul - 17 Aug Icelandair direct
15 Jul - 26 Jul jetBlue
04 Jul - 16 Jul United
04 Jul - 16 Jul Brussels Airlines direct

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

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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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