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

Return flights

10 Jan - 17 Jan	Icelandair
15 Jan - 22 Jan	Icelandair
20 Jan - 27 Jan	Icelandair
25 Jan - 08 Feb	Scandinavian Airlines
28 Jan - 11 Feb	Scandinavian Airlines
05 Jan - 12 Jan	Icelandair
28 Jan - 11 Feb	Lufthansa	direct
20 Jan - 27 Jan	Lufthansa	direct
25 Jan - 01 Feb	United	direct
25 Jan - 08 Feb	United	direct
05 Jan - 12 Jan	United	direct
15 Jan - 22 Jan	United	direct
10 Jan - 17 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 $509

Return flights