Cheapest return flights from Chicago to Keflavik in July from $598

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

23 Jul - 02 Aug jetBlue
28 Jul - 03 Aug jetBlue
04 Jul - 10 Jul jetBlue
31 Jul - 10 Aug jetBlue
28 Jul - 08 Aug jetBlue
05 Jul - 13 Jul Air Canada
04 Jul - 13 Jul Icelandair direct
05 Jul - 15 Jul Icelandair direct
19 Jul - 30 Jul Icelandair direct
18 Jul - 26 Jul Icelandair direct
14 Jul - 22 Jul Icelandair direct
28 Jul - 08 Aug Icelandair direct
23 Jul - 01 Aug Icelandair direct
23 Jul - 02 Aug Icelandair direct
30 Jul - 07 Aug Icelandair direct
31 Jul - 08 Aug Icelandair direct
31 Jul - 10 Aug Icelandair direct
23 Jul - 29 Jul Icelandair direct
04 Jul - 10 Jul Icelandair direct
01 Jul - 12 Jul Air Canada

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

Skyscanner

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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