Cheapest return flights from Montreal to San Juan in May from 403€

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

02 May - 09 May Porter Airlines (Canada) Ltd
14 May - 21 May Air Transat
06 May - 13 May United
11 May - 18 May United
01 May - 08 May Air Transat
05 May - 12 May Porter Airlines (Canada) Ltd
06 May - 14 May United
21 May - 28 May Air Transat
04 May - 11 May Porter Airlines (Canada) Ltd
07 May - 14 May Air Transat
26 May - 02 Jun WestJet
28 May - 04 Jun WestJet
29 May - 05 Jun WestJet
19 May - 01 Jun United

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

Skyscanner

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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