AirHint found the following cheapest return flights from New York (LGA) to Barcelona (BCN) in September 2026 (see full year).
Return flights
| 22 Sep - 29 Sep | Air Canada | ||
| 23 Sep - 06 Oct | Air Canada | ||
| 23 Sep - 29 Sep | Air Canada | ||
| 17 Sep - 24 Sep | Lufthansa | ||
| 22 Sep - 27 Sep | Air Canada | ||
| 11 Sep - 20 Sep | United |
Also check the deals for one-way flights from New York to Barcelona in September.
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