AirHint found the following cheapest return flights from New York (LGA) to Barcelona (BCN) in December 2025 (see full year).

Return flights

31 Dec - 15 Jan	Air Canada
09 Dec - 16 Dec	United
30 Dec - 15 Jan	United
09 Dec - 17 Dec	United
31 Dec - 14 Jan	Virgin Atlantic
31 Dec - 09 Jan	British Airways
10 Dec - 17 Dec	United
30 Dec - 14 Jan	United
30 Dec - 13 Jan	United
09 Dec - 13 Jan	United
10 Dec - 13 Jan	United
30 Dec - 11 Jan	British Airways
12 Dec - 19 Dec	United
28 Dec - 14 Jan	United
10 Dec - 21 Dec	British Airways
11 Dec - 22 Dec	British Airways
13 Dec - 23 Dec	United
16 Dec - 23 Dec	United
10 Dec - 16 Dec	Air Canada
15 Dec - 23 Dec	United

Also check the deals for one-way flights from New York to Barcelona in December.

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 New York to Barcelona in December from $343

Return flights