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

Return flights

16 Mar - 31 Mar	Air Canada
02 Mar - 13 Mar	Air Canada
02 Mar - 01 Apr	Air Canada
05 Mar - 14 Mar	TAP
13 Mar - 22 Mar	TAP
23 Mar - 18 Apr	Air Canada
08 Mar - 14 Mar	TAP
16 Mar - 23 Mar	TAP
14 Mar - 04 Apr	Air Canada
12 Mar - 21 Mar	TAP
14 Mar - 22 Mar	TAP
19 Mar - 29 Mar	TAP
27 Mar - 18 Apr	TAP
20 Mar - 29 Mar	TAP
29 Mar - 04 Apr	Lufthansa
26 Mar - 02 Apr	TAP
14 Mar - 04 Apr	Lufthansa	direct

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 $338

Return flights