Cheapest return flights from Montreal to San Juan in September from 297€

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

Return flights

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

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

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