Cheapest return flights from Chicago to Keflavik in July from 492€

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

03 Jul - 10 Jul Air Canada
18 Jul - 25 Jul Air Canada
20 Jul - 27 Jul Air Canada
28 Jul - 04 Aug Air Canada
27 Jul - 03 Aug Air Canada
13 Jul - 20 Jul Air Canada
24 Jul - 31 Jul Air Canada
10 Jul - 18 Jul United direct
11 Jul - 18 Jul Air Canada
10 Jul - 17 Jul Lufthansa
01 Jul - 08 Jul Spirit Airlines
08 Jul - 15 Jul Spirit Airlines
24 Jul - 04 Aug jetBlue
27 Jul - 03 Aug Icelandair direct
28 Jul - 04 Aug Icelandair direct
25 Jul - 01 Aug Icelandair direct
26 Jul - 02 Aug Icelandair direct

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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