Cheapest return flights from Detroit (DTW) to Barcelona (BCN), December

12 dates in December, from $ 729. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
6 Dec 22 Dec United
15 Dec 11 Jan 2027 Lufthansa
15 Dec 10 Jan 2027 Frontier Airlines
14 Dec 9 Jan 2027 Frontier Airlines
15 Dec 9 Jan 2027 Frontier Airlines
23 Dec 9 Jan 2027 Frontier Airlines
16 Dec 9 Jan 2027 British Airways
23 Dec 27 Dec Air Canada
21 Dec 5 Jan 2027 Frontier Airlines
20 Dec 27 Dec Delta
21 Dec 3 Jan 2027 Frontier Airlines
19 Dec 3 Jan 2027 Frontier Airlines
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Deals for one-way flights from Detroit to Barcelona in December.

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Updated Nov 6, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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