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

Return flights

31 Mar - 09 Apr	Arajet
22 Mar - 31 Mar	Arajet
19 Mar - 26 Mar	Arajet
10 Mar - 17 Mar	Arajet
05 Mar - 19 Mar	Arajet
14 Mar - 26 Mar	Arajet
12 Mar - 19 Mar	Arajet
14 Mar - 17 Mar	Arajet
04 Mar - 05 Mar	Spirit Airlines
08 Mar - 22 Mar	Arajet
19 Mar - 22 Mar	Arajet
31 Mar - 06 Apr	Arajet
27 Mar - 08 Apr	Delta
21 Mar - 05 Apr	Frontier Airlines
23 Mar - 06 Apr	Spirit Airlines
27 Mar - 05 Apr	LATAM Airlines Group
30 Mar - 12 Apr	LATAM Airlines Group
27 Mar - 01 Apr	Air Canada
20 Mar - 04 Apr	Delta
26 Mar - 04 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 $335

Return flights