Cheapest return flights from Chicago to Keflavik in July from $646

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

01 Jul - 09 Jul Air Canada
29 Jul - 04 Aug jetBlue
13 Jul - 21 Jul Air France
12 Jul - 20 Jul Air France
16 Jul - 24 Jul Icelandair direct
23 Jul - 01 Aug Icelandair direct
27 Jul - 04 Aug Icelandair direct
30 Jul - 07 Aug Icelandair direct
29 Jul - 04 Aug Icelandair direct
15 Jul - 24 Jul Icelandair direct
15 Jul - 23 Jul jetBlue
05 Jul - 09 Jul Icelandair direct
15 Jul - 23 Jul Icelandair direct
30 Jul - 09 Aug Sun Country Airlines
06 Jul - 14 Jul Icelandair direct
04 Jul - 10 Jul Icelandair direct
23 Jul - 02 Aug Sun Country Airlines
23 Jul - 02 Aug Icelandair direct
27 Jul - 03 Aug United

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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