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

Return flights

19 Mar - 26 Mar	Arajet
12 Mar - 06 Apr	Arajet
05 Mar - 15 Mar	Arajet
14 Mar - 19 Mar	Arajet
18 Mar - 25 Mar	Spirit Airlines
26 Mar - 06 Apr	Spirit Airlines
04 Mar - 18 Mar	United	direct
16 Mar - 06 Apr	Spirit Airlines
08 Mar - 24 Mar	Spirit Airlines
05 Mar - 12 Mar	United	direct
03 Mar - 06 Mar	Spirit Airlines
06 Mar - 14 Mar	LATAM Airlines Group
08 Mar - 15 Mar	Delta
26 Mar - 27 Apr	Air Canada
22 Mar - 06 Apr	Air Canada
21 Mar - 05 Apr	Air Canada
27 Mar - 11 Apr	Air Canada
24 Mar - 25 Apr	Arajet
28 Mar - 04 Apr	Spirit Airlines
27 Mar - 01 Apr	Spirit Airlines

Also check the deals for one-way flights from Newark to Sao Paulo 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 Sao Paulo in March from $418

Return flights