Cheapest return flights from Chicago to Barcelona in December from 720€

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

Return flights

31 Dec - 10 Jan Icelandair
30 Dec - 11 Jan Icelandair
30 Dec - 09 Jan Icelandair
26 Dec - 09 Jan Lufthansa
30 Dec - 05 Jan LOT
24 Dec - 27 Dec SWISS
29 Dec - 06 Jan Lufthansa
25 Dec - 01 Jan SWISS
26 Dec - 04 Jan Lufthansa
24 Dec - 04 Jan SWISS
30 Dec - 04 Jan United

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

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