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

Return flights

11 Jan - 25 Jan	TAP
14 Jan - 28 Jan	TAP
19 Jan - 26 Jan	Condor
10 Jan - 24 Jan	Icelandair
12 Jan - 19 Jan	Icelandair
17 Jan - 24 Jan	Icelandair
22 Jan - 29 Jan	Icelandair
27 Jan - 03 Feb	Icelandair
07 Jan - 14 Jan	Icelandair
14 Jan - 28 Jan	Lufthansa	direct
07 Jan - 14 Jan	Lufthansa	direct
27 Jan - 03 Feb	Lufthansa	direct

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

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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Cheapest return flights from Chicago to Frankfurt in January from 391€

Return flights