Cheapest return flights from Chicago to Keflavik in June from 774€

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

Return flights

16 Jun - 23 Jun Southwest Airlines
16 Jun - 24 Jun Southwest Airlines
02 Jun - 09 Jun Southwest Airlines
02 Jun - 10 Jun Southwest Airlines
24 Jun - 01 Jul Southwest Airlines
23 Jun - 01 Jul Southwest Airlines
25 Jun - 03 Jul Southwest Airlines
15 Jun - 22 Jun Southwest Airlines
09 Jun - 16 Jun Southwest Airlines
01 Jun - 09 Jun Southwest Airlines
15 Jun - 23 Jun Southwest Airlines
22 Jun - 30 Jun Southwest Airlines
04 Jun - 12 Jun Southwest Airlines
28 Jun - 06 Jul Southwest Airlines
26 Jun - 03 Jul Southwest Airlines
25 Jun - 02 Jul Southwest Airlines
24 Jun - 02 Jul Southwest Airlines
27 Jun - 04 Jul Southwest Airlines
26 Jun - 04 Jul Southwest Airlines
27 Jun - 05 Jul Southwest Airlines

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

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