Cheapest return flights from Detroit to Barcelona in December from $545

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

Return flights

10 Dec - 17 Dec Spirit Airlines
08 Dec - 23 Dec United
29 Dec - 15 Jan Spirit Airlines
16 Dec - 10 Jan Spirit Airlines
03 Dec - 28 Dec Spirit Airlines
17 Dec - 10 Jan Spirit Airlines
18 Dec - 10 Jan Frontier Airlines
10 Dec - 03 Jan Spirit Airlines
22 Dec - 31 Dec Spirit Airlines
21 Dec - 26 Dec Spirit Airlines
28 Dec - 03 Jan Spirit Airlines

Also check the deals for one-way flights from Detroit 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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