Cheapest return flights from Chicago to Keflavik in July from $900

Best time to book flights for Chicago (MDW) to Keflavik (KEF) flights at AirHint

AirHint found the following cheapest return flights from Chicago (MDW) to Keflavik (KEF) in July 2025 (see full year).

Return flights

11 Jul - 17 Jul Porter Airlines (Canada) Ltd
18 Jul - 29 Jul Delta

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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