AirHint found the following cheapest return flights from New York (LGA) to Barcelona (BCN) in September 2026 (see full year).
Return flights
| 01 Sep - 12 Sep | Lufthansa | ||
| 07 Sep - 13 Sep | United | ||
| 07 Sep - 14 Sep | Lufthansa | ||
| 14 Sep - 19 Sep | Lufthansa | ||
| 17 Sep - 27 Sep | Lufthansa | ||
| 15 Sep - 18 Sep | Air Canada |
Also check the deals for one-way flights from New York to Barcelona in September.
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