Cheapest return flights from Chicago to Keflavik in July from 805€

AirHint found the following cheapest return flights from Chicago (MDW) to Keflavik (KEF) in July 2026 (see full year).

Return flights

24 Jul - 31 Jul Southwest Airlines
22 Jul - 29 Jul Southwest Airlines
12 Jul - 23 Jul Southwest Airlines
03 Jul - 12 Jul Southwest Airlines
23 Jul - 30 Jul Porter Airlines (Canada) Ltd
25 Jul - 01 Aug Southwest Airlines
01 Jul - 31 Jul Southwest Airlines

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

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