Cheapest return MTY–SJO flights, September

AirHint found the following cheapest return flights from Monterrey (MTY) to San Jose (SJO) in September 2026 (see full year).

Return flights

25 Sep - 29 Sep Viva direct
21 Sep - 29 Sep Viva direct
28 Sep - 10 Oct Viva direct
28 Sep - 17 Oct Viva direct
28 Sep - 03 Oct Viva direct
25 Sep - 10 Oct Viva direct
25 Sep - 03 Oct Viva direct
21 Sep - 10 Oct Viva direct
21 Sep - 03 Oct Viva direct
07 Sep - 26 Sep Viva direct
21 Sep - 26 Sep Viva direct
07 Sep - 22 Sep Viva direct
11 Sep - 26 Sep Viva direct
11 Sep - 29 Sep Viva direct
11 Sep - 22 Sep Viva direct
18 Sep - 25 Sep Avianca
07 Sep - 12 Sep Viva direct

Also check the deals for one-way flights from Monterrey to San Jose in September.

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