Cheapest return flights from Chicago to Frankfurt in May from $554

Best time to book flights for Chicago (ORD) to Frankfurt (FRA) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Frankfurt (FRA) in May 2025 (see full year).

Return flights

07 May - 14 May jetBlue
15 May - 20 May Spirit Airlines
13 May - 20 May Condor
05 May - 17 May Aer Lingus
10 May - 26 May Spirit Airlines
18 May - 10 Jun TAP
27 May - 10 Jun Air Canada
24 May - 06 Jun jetBlue
20 May - 14 Jun Spirit Airlines
21 May - 17 Jun Spirit Airlines
20 May - 22 Jun Icelandair
20 May - 30 Jun Spirit Airlines
22 May - 28 May Condor
21 May - 29 Jun Spirit Airlines
23 May - 28 May Condor
24 May - 07 Jun TAP
30 May - 08 Jun Air Canada
22 May - 29 May Turkish Airlines
07 May - 14 May Lufthansa direct
06 May - 13 May Lufthansa direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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