AirHint found the following cheapest return flights from New York (LGA) to Barcelona (BCN) in March 2026 (see full year).

Return flights

04 Mar - 11 Mar	United
03 Mar - 10 Mar	United
04 Mar - 12 Mar	United
24 Mar - 31 Mar	American Airlines
31 Mar - 14 Apr	Air Canada
02 Mar - 10 Mar	British Airways
10 Mar - 24 Mar	British Airways
17 Mar - 24 Mar	British Airways
18 Mar - 24 Mar	British Airways
10 Mar - 17 Mar	United
22 Mar - 09 Apr	Air Canada
22 Mar - 02 Apr	Air Canada
12 Mar - 24 Mar	British Airways
25 Mar - 06 Apr	British Airways
29 Mar - 07 Apr	Lufthansa
31 Mar - 07 Apr	United
26 Mar - 02 Apr	Air Canada
25 Mar - 01 Apr	Air Canada
26 Mar - 11 Apr	British Airways
29 Mar - 05 Apr	Air Canada

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

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 March from $353

Return flights