Flights from Chicago to Mont-St-Hilaire

Cheapest flights from Chicago

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$225 Roundtrip, found 2 days ago

$225

Roundtrip

found 2 days ago

Select United flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $225 found 2 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$255 Roundtrip, found 2 days ago

$255

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $255 found 2 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$263 Roundtrip, found 2 days ago

$263

Roundtrip

found 2 days ago

Select United flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $263 found 2 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$272 Roundtrip, found 2 days ago

$272

Roundtrip

found 2 days ago

Select Air Canada flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $272 found 2 days ago

Fri, Jul 25 - Wed, Jul 30

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$276 Roundtrip, found 15 hours ago

$276

Roundtrip

found 15 hours ago

Select United flight, departing Fri, Jul 25 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Jul 30, priced at $276 found 15 hours ago

Tue, Jul 29 - Tue, Jul 29

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$278 Roundtrip, found 1 day ago

$278

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 29 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Jul 29, priced at $278 found 1 day ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$279 Roundtrip, found 2 days ago

$279

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $279 found 2 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$281 Roundtrip, found 2 days ago

$281

Roundtrip

found 2 days ago

Select Air Canada flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $281 found 2 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$284 Roundtrip, found 2 days ago

$284

Roundtrip

found 2 days ago

Select American Airlines flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $284 found 2 days ago

Fri, Jul 25 - Tue, Jul 29

MDW

Midway Intl.

YUL

Pierre Elliott Trudeau Intl.

$286 Roundtrip, found 1 day ago

$286

Roundtrip

found 1 day ago

Select Porter Airlines flight, departing Fri, Jul 25 from Midway Intl. to Pierre Elliott Trudeau Intl., returning Tue, Jul 29, priced at $286 found 1 day ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$293 Roundtrip, found 2 days ago

$293

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $293 found 2 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$295 Roundtrip, found 2 days ago

$295

Roundtrip

found 2 days ago

Select Air Canada flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $295 found 2 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$296 Roundtrip, found 2 days ago

$296

Roundtrip

found 2 days ago

Select Air Canada flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $296 found 2 days ago

Fri, Jul 25 - Thu, Jul 31

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$298 Roundtrip, found 16 hours ago

$298

Roundtrip

found 16 hours ago

Select United flight, departing Fri, Jul 25 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Thu, Jul 31, priced at $298 found 16 hours ago

Sat, Jul 26 - Tue, Jul 29

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$300 Roundtrip, found 1 day ago

$300

Roundtrip

found 1 day ago

Select Air Canada flight, departing Sat, Jul 26 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Jul 29, priced at $300 found 1 day ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$306 Roundtrip, found 2 days ago

$306

Roundtrip

found 2 days ago

Select Delta flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $306 found 2 days ago

Fri, Jul 25 - Fri, Aug 1

MDW

Midway Intl.

YUL

Pierre Elliott Trudeau Intl.

$307 Roundtrip, found 1 day ago

$307

Roundtrip

found 1 day ago

Select Porter Airlines flight, departing Fri, Jul 25 from Midway Intl. to Pierre Elliott Trudeau Intl., returning Fri, Aug 1, priced at $307 found 1 day ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$308 Roundtrip, found 2 days ago

$308

Roundtrip

found 2 days ago

Select Air Canada flight, departing Thu, Sep 18 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Tue, Sep 23, priced at $308 found 2 days ago

Sat, Jul 26 - Wed, Jul 30

MDW

Midway Intl.

YUL

Pierre Elliott Trudeau Intl.

$310 Roundtrip, found 1 day ago

$310

Roundtrip

found 1 day ago

Select Porter Airlines flight, departing Sat, Jul 26 from Midway Intl. to Pierre Elliott Trudeau Intl., returning Wed, Jul 30, priced at $310 found 1 day ago

Fri, Jul 25 - Thu, Jul 31

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$443 Roundtrip, found 16 hours ago

$443

Roundtrip

found 16 hours ago

Select WestJet flight, departing Fri, Jul 25 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Thu, Jul 31, priced at $443 found 16 hours ago