AirHint found the following cheapest return flights from Los Angeles (LAX) to Barcelona (BCN) in December 2026 (see full year).
Return flights
| 10 Dec - 17 Dec | Iberia | direct | |
| 09 Dec - 16 Dec | Lufthansa | ||
| 18 Dec - 28 Dec | Air Canada | ||
| 20 Dec - 31 Dec | Finnair | direct | |
| 17 Dec - 30 Dec | Lufthansa |
Also check the deals for one-way flights from Los Angeles to Barcelona in December.
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