Cheapest return flights from Montreal to San Juan in May from 241€

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

Return flights

12 May - 28 May United
05 May - 12 May United
09 May - 16 May United
28 May - 04 Jun United
01 May - 08 May United
27 May - 03 Jun United
03 May - 10 May United
21 May - 28 May United
30 May - 06 Jun United
17 May - 24 May United
12 May - 19 May United
13 May - 20 May United
23 May - 30 May United
31 May - 07 Jun United
25 May - 01 Jun WestJet

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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