Cheapest return flights from Chicago to Frankfurt in December from $538

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

Return flights

03 Dec - 12 Dec Scandinavian Airlines
10 Dec - 24 Dec Scandinavian Airlines
04 Dec - 13 Dec Scandinavian Airlines
08 Dec - 15 Dec Icelandair
10 Dec - 24 Dec United direct
10 Dec - 19 Dec United direct
03 Dec - 12 Dec Lufthansa direct
07 Dec - 21 Dec Air Canada
23 Dec - 30 Dec Air Canada
28 Dec - 06 Jan British Airways
08 Dec - 15 Dec Lufthansa direct
28 Dec - 04 Jan United direct
19 Dec - 03 Jan Lufthansa
19 Dec - 03 Jan Lufthansa direct

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

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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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