AirHint found the following cheapest one-way flights from Duesseldorf (DUS) to Barcelona (BCN) in September 2026 (see full year).
One-Way flights
| 15 Sep | easyJet | ||
| 01 Sep | Eurowings | ||
| 07 Sep | easyJet | ||
| 18 Sep | easyJet | ||
| 01 Sep | Vueling Airlines | direct | |
| 18 Sep | Eurowings | direct |
Also check the deals for return flights from Duesseldorf to Barcelona in September.
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