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

Return flights

17 Aug - 14 Sep	Spirit Airlines
04 Aug - 05 Sep	Frontier Airlines
14 Aug - 21 Aug	Spirit Airlines
03 Aug - 19 Aug	Iberia
24 Aug - 06 Sep	Spirit Airlines
15 Aug - 19 Aug	British Airways
15 Aug - 22 Aug	Iberia
03 Aug - 17 Aug	Spirit Airlines
03 Aug - 10 Aug	Spirit Airlines

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

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.

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Cheapest return flights from Las Vegas to Barcelona in August from $531

Return flights