AirHint found the following cheapest return flights from Las Vegas (LAS) to Barcelona (BCN) in January 2026 (see full year).
Return flights
| 17 Jan - 07 Feb | Frontier Airlines | ||
| 21 Jan - 28 Jan | KLM | ||
| 25 Jan - 14 Feb | KLM | ||
| 14 Jan - 07 Feb | Air Canada | ||
| 01 Jan - 13 Jan | Delta | ||
| 15 Jan - 07 Feb | KLM | ||
| 02 Jan - 24 Jan | British Airways |
Also check the deals for one-way flights from Las Vegas to Barcelona in January.
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