AirHint found the following cheapest return flights from Sao Paulo (GRU) to Boston (BOS) in April 2026 (see full year).

Return flights

29 Apr - 07 May	GOL Linhas Aéreas
22 Apr - 28 May	Copa
21 Apr - 28 Apr	Delta
22 Apr - 29 Apr	Delta	direct
09 Apr - 16 Apr	Delta	direct
01 Apr - 07 Apr	Copa
01 Apr - 06 Apr	Copa
07 Apr - 30 Apr	Copa
02 Apr - 15 Apr	Copa
01 Apr - 29 Apr	Copa
01 Apr - 11 May	Delta
27 Apr - 11 May	Delta
28 Apr - 22 May	Delta
20 Apr - 28 Apr	Delta
12 Apr - 19 Apr	Delta
22 Apr - 27 May	Avianca
28 Apr - 19 May	GOL Linhas Aéreas
09 Apr - 01 May	LATAM Airlines Group	direct
29 Apr - 09 May	GOL Linhas Aéreas
21 Apr - 01 May	Delta	direct

Also check the deals for one-way flights from Sao Paulo to Boston in April.

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 Sao Paulo to Boston in April from $488

Return flights