Cheapest return flights from Montreal to San Juan in March from $390

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

Return flights

10 Mar - 17 Mar United
31 Mar - 01 Apr Air Transat
09 Mar - 26 Mar Air Transat
30 Mar - 07 Apr Air Transat
30 Mar - 08 Apr Air Transat
31 Mar - 08 Apr Air Transat
17 Mar - 24 Mar United
29 Mar - 04 Apr Air Transat
31 Mar - 09 Apr Air Transat
31 Mar - 07 Apr Air Transat
27 Mar - 03 Apr Air Transat
09 Mar - 31 Mar Air Transat
25 Mar - 01 Apr Porter Airlines (Canada) Ltd
20 Mar - 26 Mar Porter Airlines (Canada) Ltd
24 Mar - 31 Mar Porter Airlines (Canada) Ltd
07 Mar - 26 Mar Air Transat
10 Mar - 31 Mar Air Transat
08 Mar - 31 Mar Air Transat
07 Mar - 12 Mar Air Transat
24 Mar - 08 Apr Porter Airlines (Canada) Ltd

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

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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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