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

Return flights

10 Mar - 26 Mar	Air Canada
04 Mar - 10 Mar	Air Canada
10 Mar - 18 Mar	Air Canada
04 Mar - 11 Mar	Air Canada
01 Mar - 13 Mar	SWISS
11 Mar - 17 Mar	SWISS
08 Mar - 17 Mar	SWISS
10 Mar - 18 Mar	United	direct
10 Mar - 26 Mar	United	direct
16 Mar - 25 Mar	United
11 Mar - 18 Apr	TAP
19 Mar - 11 Apr	TAP
13 Mar - 10 Apr	Scandinavian Airlines
26 Mar - 02 Apr	United
11 Mar - 04 Apr	SWISS
12 Mar - 04 Apr	SWISS
13 Mar - 04 Apr	Scandinavian Airlines
12 Mar - 04 Apr	Lufthansa	direct
19 Mar - 11 Apr	Lufthansa	direct
13 Mar - 04 Apr	Lufthansa	direct

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 $336

Return flights