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

Return flights

14 Jan - 28 Jan	Aer Lingus
22 Jan - 05 Feb	Scandinavian Airlines
11 Jan - 25 Jan	Scandinavian Airlines
25 Jan - 08 Feb	Scandinavian Airlines
12 Jan - 19 Jan	Icelandair
22 Jan - 29 Jan	Icelandair
16 Jan - 19 Jan	Icelandair
14 Jan - 28 Jan	Lufthansa	direct
02 Jan - 09 Jan	United	direct
12 Jan - 19 Jan	United	direct
22 Jan - 29 Jan	United	direct
22 Jan - 05 Feb	United	direct
25 Jan - 08 Feb	United	direct
11 Jan - 25 Jan	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 549€

Return flights