AirHint found the following cheapest one-way flights from Miami (MIA) to Barcelona (BCN) in September 2026 (see full year).
One-Way flights
| 27 Sep | LEVEL | direct | |
| 18 Sep | LEVEL | direct | |
| 14 Sep | SWISS | ||
| 16 Sep | SWISS | ||
| 09 Sep | SWISS | ||
| 14 Sep | LEVEL | direct | |
| 16 Sep | LEVEL | direct | |
| 05 Sep | Spirit Airlines | ||
| 22 Sep | British Airways | ||
| 22 Sep | Iberia | direct |
Also check the deals for return flights from Miami to Barcelona in September.
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