Cheapest return flights from Chicago to Montreal in March from $239

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

Return flights

18 Mar - 23 Mar Delta
31 Mar - 07 Apr Delta
30 Mar - 16 Apr Porter Airlines (Canada) Ltd
30 Mar - 14 Apr Porter Airlines (Canada) Ltd
16 Mar - 18 Mar Porter Airlines (Canada) Ltd
30 Mar - 13 Apr Porter Airlines (Canada) Ltd
25 Mar - 14 Apr Porter Airlines (Canada) Ltd
26 Mar - 16 Apr Porter Airlines (Canada) Ltd
26 Mar - 14 Apr Porter Airlines (Canada) Ltd
25 Mar - 13 Apr Porter Airlines (Canada) Ltd
26 Mar - 13 Apr Porter Airlines (Canada) Ltd
30 Mar - 15 Apr Porter Airlines (Canada) Ltd
16 Mar - 21 Mar Delta
14 Mar - 18 Mar Porter Airlines (Canada) Ltd
14 Mar - 17 Mar Porter Airlines (Canada) Ltd
11 Mar - 15 Mar Delta
13 Mar - 16 Mar Delta
13 Mar - 15 Mar Delta
21 Mar - 22 Mar Delta
22 Mar - 26 Mar WestJet

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

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