Cheapest return flights from Chicago to Frankfurt in May from $656

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
01 May - 10 May Icelandair
01 May - 09 May Spirit Airlines
03 May - 16 May Icelandair
08 May - 15 May Scandinavian Airlines
04 May - 11 May Icelandair
07 May - 14 May Icelandair
10 May - 26 May Spirit Airlines
26 May - 16 Jun Icelandair
26 May - 11 Jun Icelandair
18 May - 13 Jun Icelandair
08 May - 15 May Lufthansa direct
01 May - 08 May Lufthansa direct
23 May - 06 Jun Icelandair
20 May - 13 Jun WestJet
18 May - 13 Jun Lufthansa direct
28 May - 04 Jun jetBlue
25 May - 01 Jun Icelandair
31 May - 07 Jun Icelandair
20 May - 13 Jun Lufthansa direct

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

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