AirHint found the following cheapest return flights from Detroit (DTW) to Barcelona (BCN) in October 2026 (see full year).
Return flights
| 20 Oct - 27 Oct | Air Canada | ||
| 14 Oct - 21 Oct | Turkish Airlines | ||
| 15 Oct - 22 Oct | Turkish Airlines | ||
| 16 Oct - 23 Oct | Turkish Airlines | ||
| 30 Oct - 14 Nov | jetBlue |
Also check the deals for one-way flights from Detroit to Barcelona in October.
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