Cheapest return flights from Montreal to Mexico City in May from $628

AirHint found the following cheapest return flights from Montreal (YUL) to Mexico City (MEX) in May 2026 (see full year).

Return flights

21 May - 25 May WestJet
01 May - 08 May United
02 May - 09 May United
05 May - 12 May United
06 May - 13 May United
08 May - 15 May United
16 May - 23 May United
20 May - 27 May United
26 May - 02 Jun United
27 May - 03 Jun United
12 May - 19 May United
04 May - 11 May United
25 May - 01 Jun Arajet
31 May - 07 Jun Air Transat
29 May - 05 Jun Copa
07 May - 11 Jun Delta
30 May - 06 Jun United
07 May - 11 Jun Aeromexico direct
26 May - 02 Jun Aeromexico direct
25 May - 01 Jun Aeromexico direct

Also check the deals for one-way flights from Montreal to Mexico City in May.

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