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

Return flights

10 Mar - 18 Mar	United	direct
03 Mar - 10 Mar	United	direct
10 Mar - 26 Mar	United	direct
01 Mar - 11 Mar	United
24 Mar - 31 Mar	Air Canada
11 Mar - 17 Mar	United
11 Mar - 18 Mar	United
23 Mar - 30 Mar	Air Canada
05 Mar - 12 Mar	TAP
13 Mar - 19 Mar	TAP
18 Mar - 22 Apr	United
25 Mar - 07 Apr	TAP
19 Mar - 02 Apr	United
08 Mar - 11 Apr	Scandinavian Airlines
26 Mar - 18 Apr	Scandinavian Airlines
10 Mar - 04 Apr	SWISS
12 Mar - 04 Apr	Scandinavian Airlines
30 Mar - 04 Apr	Scandinavian Airlines
27 Mar - 04 Apr	Austrian Airlines
27 Mar - 03 Apr	TAP

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 297€

Return flights