Cheapest return flights from Las Vegas to Barcelona in September from $564

AirHint found the following cheapest return flights from Las Vegas (LAS) to Barcelona (BCN) in September 2025 (see full year).

Return flights

15 Sep - 29 Sep Spirit Airlines
20 Sep - 10 Oct Air Canada
20 Sep - 11 Oct Spirit Airlines
28 Sep - 07 Oct American Airlines
02 Sep - 30 Sep Spirit Airlines
21 Sep - 11 Oct Frontier Airlines
01 Sep - 01 Oct Spirit Airlines
18 Sep - 10 Oct SWISS
19 Sep - 10 Oct Air Canada
19 Sep - 09 Oct Air Canada
01 Sep - 30 Sep Spirit Airlines
18 Sep - 29 Sep British Airways
19 Sep - 11 Oct Spirit Airlines
02 Sep - 03 Oct KLM

Also check the deals for one-way flights from Las Vegas to Barcelona in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Feel free to contact us with any feedback or request another flight research.