Cheapest return flights from Chicago to Keflavik in June from 792€

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

Return flights

02 Jun - 09 Jun Southwest Airlines
25 Jun - 30 Jun Southwest Airlines
01 Jun - 12 Jun Southwest Airlines
14 Jun - 20 Jun Southwest Airlines
05 Jun - 12 Jun Southwest Airlines
18 Jun - 27 Jun Southwest Airlines

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

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