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

Return flights

02 Mar - 10 Mar	Air Canada
02 Mar - 11 Mar	Austrian Airlines
02 Mar - 11 Mar	Lufthansa	direct
02 Mar - 10 Mar	Lufthansa	direct
11 Mar - 19 Mar	Air Canada
01 Mar - 10 Mar	SWISS
17 Mar - 02 Apr	Air France
09 Mar - 23 Mar	SWISS
11 Mar - 16 Mar	TAP
25 Mar - 15 Apr	United
31 Mar - 14 Apr	United
22 Mar - 09 Apr	United
22 Mar - 02 Apr	British Airways
02 Mar - 08 Mar	TAP
02 Mar - 09 Mar	United	direct
03 Mar - 01 Apr	United
25 Mar - 03 Apr	Air Canada
28 Mar - 07 Apr	Air Canada
29 Mar - 07 Apr	United
26 Mar - 03 Apr	Air Canada

Also check the deals for one-way flights from Newark 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 Newark to Barcelona in March from 281€

Return flights