Cheapest return flights from Montreal to San Juan in May from $260

Best time to book flights for Montreal (YUL) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to San Juan (SJU) in May 2025 (see full year).

Return flights

06 May - 09 May United
06 May - 10 May United
04 May - 10 May United
04 May - 09 May United
05 May - 17 May United
06 May - 14 May United
03 May - 09 May United
03 May - 10 May United
13 May - 20 May United
04 May - 20 May United
29 May - 04 Jun Porter Airlines (Canada) Ltd
31 May - 07 Jun Porter Airlines (Canada) Ltd
25 May - 01 Jun Porter Airlines (Canada) Ltd
30 May - 06 Jun Porter Airlines (Canada) Ltd
27 May - 03 Jun Porter Airlines (Canada) Ltd
30 May - 07 Jun WestJet
26 May - 02 Jun WestJet
28 May - 04 Jun WestJet
29 May - 05 Jun WestJet
29 May - 07 Jun United

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