AirHint found the following cheapest return flights from Las Vegas (LAS) to Barcelona (BCN) in January 2026 (see full year).
Return flights
| 28 Jan - 07 Feb | Delta | ||
| 26 Jan - 21 Feb | British Airways | ||
| 16 Jan - 07 Feb | British Airways | ||
| 03 Jan - 12 Jan | Frontier Airlines |
Also check the deals for one-way flights from Las Vegas to Barcelona in January.
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