Cheapest return flights from Boston to Sao Paulo in May from 539€

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

Return flights

07 May - 17 May Copa
07 May - 21 May Copa
06 May - 13 May Copa
05 May - 12 May Copa
07 May - 13 Jun Avianca
20 May - 27 May Arajet
10 May - 29 May Spirit Airlines
09 May - 18 May Frontier Airlines
24 May - 04 Jun Air Canada
06 May - 30 May Copa
25 May - 30 May Copa
21 May - 01 Jun Air Canada
03 May - 22 May Copa
24 May - 07 Jun Delta

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

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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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