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

Return flights

09 Mar - 14 Apr	United
24 Mar - 15 Apr	United
03 Mar - 10 Mar	United
04 Mar - 11 Mar	United
17 Mar - 24 Mar	United
10 Mar - 17 Mar	United
24 Mar - 31 Mar	United
29 Mar - 05 Apr	Air Canada	direct
22 Mar - 29 Mar	Air Transat	direct
28 Mar - 04 Apr	Air Canada
11 Mar - 18 Mar	United
09 Mar - 16 Mar	United
16 Mar - 23 Mar	United
18 Mar - 25 Mar	United
31 Mar - 07 Apr	United
26 Mar - 02 Apr	WestJet
27 Mar - 03 Apr	WestJet
30 Mar - 06 Apr	WestJet

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

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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Cheapest return flights from Montreal to San Juan in March from 225€

Return flights