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

Return flights

04 Mar - 09 Mar	SWISS
09 Mar - 19 Mar	United	direct
03 Mar - 12 Mar	United	direct
03 Mar - 11 Mar	United	direct
02 Mar - 10 Mar	United
09 Mar - 17 Mar	United
04 Mar - 11 Mar	Austrian Airlines
03 Mar - 10 Mar	United
23 Mar - 01 Apr	United
09 Mar - 18 Mar	United
04 Mar - 12 Mar	SWISS
24 Mar - 01 Apr	Delta
22 Mar - 09 Apr	SWISS
31 Mar - 08 Apr	Air Canada
24 Mar - 09 Apr	SWISS
30 Mar - 17 Apr	Air Canada
30 Mar - 13 Apr	TAP
20 Mar - 08 Apr	TAP
22 Mar - 10 Apr	Scandinavian Airlines
29 Mar - 07 Apr	SWISS

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 290€

Return flights