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

Return flights

22 Apr - 06 May	TAP
19 Apr - 03 May	TAP
03 Apr - 11 Apr	TAP
04 Apr - 11 Apr	TAP
25 Apr - 03 May	TAP
27 Apr - 07 May	Aer Lingus
12 Apr - 19 Apr	Icelandair
22 Apr - 06 May	United	direct
27 Apr - 07 May	Lufthansa	direct
02 Apr - 09 Apr	Icelandair
19 Apr - 03 May	United	direct
02 Apr - 09 Apr	Lufthansa	direct
12 Apr - 19 Apr	Lufthansa	direct
25 Apr - 03 May	United	direct
04 Apr - 11 Apr	Lufthansa	direct
03 Apr - 11 Apr	Lufthansa	direct

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

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 April from 550€

Return flights