AirHint found the following cheapest return flights from Detroit (DTW) to Barcelona (BCN) in August 2026 (see full year).
Return flights
| 27 Aug - 03 Sep | WestJet | ||
| 31 Aug - 07 Sep | WestJet | ||
| 29 Aug - 05 Sep | Spirit Airlines | ||
| 20 Aug - 31 Aug | WestJet | ||
| 26 Aug - 02 Sep | Spirit Airlines | ||
| 30 Aug - 06 Sep | Turkish Airlines | ||
| 28 Aug - 04 Sep | WestJet |
Also check the deals for one-way flights from Detroit to Barcelona in August.
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