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

Return flights

04 Mar - 11 Mar	TAP
02 Mar - 08 Mar	United
24 Mar - 31 Mar	United
06 Mar - 10 Mar	United
19 Mar - 28 Mar	SWISS
08 Mar - 15 Mar	SWISS
12 Mar - 17 Mar	SWISS
01 Mar - 15 Mar	SWISS
05 Mar - 10 Mar	SWISS
16 Mar - 20 Mar	Lufthansa
30 Mar - 03 Apr	TAP
27 Mar - 03 Apr	TAP
30 Mar - 06 Apr	TAP
27 Mar - 05 Apr	TAP

Also check the deals for one-way flights from Newark to Madrid 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 Madrid in March from 274€

Return flights