Cheapest return ORD–FRA flights, May

AirHint found the following cheapest return flights from Chicago (ORD) to Frankfurt (FRA) in May 2026 (see full year).

Return flights

12 May - 19 May Condor
05 May - 03 Jun Condor
03 May - 02 Jun Icelandair
06 May - 03 Jun Condor
06 May - 02 Jun Condor
26 May - 01 Jun Icelandair
25 May - 01 Jun Icelandair
01 May - 09 May Spirit Airlines
01 May - 14 May Condor
25 May - 02 Jun Icelandair
26 May - 16 Jun Icelandair
26 May - 02 Jun Icelandair
27 May - 01 Jun Icelandair
06 May - 31 May Spirit Airlines
07 May - 31 May Spirit Airlines
10 May - 19 May Spirit Airlines
25 May - 30 May Icelandair
10 May - 17 May Icelandair
13 May - 18 May Icelandair
19 May - 26 May Frontier Airlines

Also check the deals for one-way flights from Chicago to Frankfurt in May.

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