Cheapest return flights from Milwaukee to Barcelona in December from 459€

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

Return flights

06 Dec - 13 Dec Delta
04 Dec - 27 Dec United
23 Dec - 17 Jan Air France
22 Dec - 17 Jan Air France
18 Dec - 10 Jan Sun Country Airlines
21 Dec - 10 Jan Hawaiian Airlines
18 Dec - 31 Dec Sun Country Airlines

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

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