Cheapest one-way flights from Chicago to Barcelona in December from 206€

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

One-Way flights

02 Dec Spirit Airlines
03 Dec Frontier Airlines
04 Dec Spirit Airlines
01 Dec Icelandair
05 Dec WestJet
14 Dec Spirit Airlines
30 Dec Spirit Airlines
15 Dec Frontier Airlines
01 Dec United direct
22 Dec Spirit Airlines

Also check the deals for return flights from Chicago to Barcelona 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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