Cheapest return YUL–GRU flights, May

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

Return flights

25 May - 09 Jun Arajet
29 May - 11 Jun Arajet
13 May - 20 May Arajet
05 May - 12 May LATAM Airlines Group
25 May - 28 May Arajet
08 May - 15 May Arajet
06 May - 27 May Delta
06 May - 13 May Arajet
29 May - 05 Jun Arajet
21 May - 28 May Air Transat
28 May - 04 Jun Air Transat
14 May - 21 May Air Transat
30 May - 06 Jun Air Transat
04 May - 14 May LATAM Airlines Group
05 May - 14 May LATAM Airlines Group
26 May - 10 Jun Copa
31 May - 07 Jun Aeromexico
20 May - 03 Jun Air Canada
24 May - 01 Jun Delta
26 May - 02 Jun GOL Linhas Aéreas

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

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