Cheapest return flights from Montreal to San Juan in May from $296

AirHint found the following cheapest return flights from Montreal (YUL) to San Juan (SJU) in May 2026 (see full year).

Return flights

02 May - 06 May United
02 May - 13 May United
27 May - 31 May Arajet
20 May - 24 May Arajet
01 May - 03 May Arajet
06 May - 10 May Arajet
06 May - 17 May Arajet
27 May - 03 Jun Arajet
06 May - 09 May Air Canada
05 May - 24 May Porter Airlines (Canada) Ltd
08 May - 15 May Arajet
26 May - 02 Jun United
29 May - 05 Jun Air Transat
27 May - 06 Jun Arajet
28 May - 04 Jun Porter Airlines (Canada) Ltd
31 May - 07 Jun Porter Airlines (Canada) Ltd
30 May - 06 Jun WestJet
25 May - 01 Jun Porter Airlines (Canada) Ltd

Also check the deals for one-way flights from Montreal to San Juan in May.

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