Cheapest return flights from Montreal to San Juan in September from 486€

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

Return flights

09 Sep - 16 Sep WestJet
11 Sep - 18 Sep WestJet
15 Sep - 22 Sep WestJet
19 Sep - 26 Sep WestJet
21 Sep - 28 Sep WestJet
23 Sep - 30 Sep WestJet
08 Sep - 15 Sep WestJet
10 Sep - 17 Sep WestJet
12 Sep - 19 Sep WestJet
14 Sep - 21 Sep WestJet
25 Sep - 02 Oct WestJet
29 Sep - 06 Oct WestJet
24 Sep - 01 Oct WestJet
26 Sep - 03 Oct WestJet
30 Sep - 07 Oct WestJet
28 Sep - 05 Oct WestJet
27 Sep - 04 Oct WestJet

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

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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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