AirHint found the following cheapest one-way flights from Miami (MIA) to Barcelona (BCN) in September 2026 (see full year).
One-Way flights
| 25 Sep | LEVEL | direct | |
| 16 Sep | SWISS | ||
| 15 Sep | Air Canada | ||
| 05 Sep | Spirit Airlines | ||
| 03 Sep | Spirit Airlines | ||
| 11 Sep | Air France | ||
| 01 Sep | TAP | ||
| 16 Sep | LEVEL | direct | |
| 11 Sep | LEVEL | direct | |
| 15 Sep | British Airways | direct |
Also check the deals for return flights from Miami to Barcelona in September.
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