Flights from Chicago to Lacolle

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.

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$184 Roundtrip, found 6 days ago

$184

Roundtrip

found 6 days ago

Select Air Canada flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $184 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$198 Roundtrip, found 6 days ago

$198

Roundtrip

found 6 days ago

Select Air Canada flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $198 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$203 Roundtrip, found 6 days ago

$203

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $203 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$203 Roundtrip, found 6 days ago

$203

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $203 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$205 Roundtrip, found 6 days ago

$205

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $205 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$213 Roundtrip, found 6 days ago

$213

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $213 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$214 Roundtrip, found 6 days ago

$214

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $214 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$219 Roundtrip, found 6 days ago

$219

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $219 found 6 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$225 Roundtrip, found 1 day ago

$225

Roundtrip

found 1 day 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 1 day ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$228 Roundtrip, found 6 days ago

$228

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $228 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$231 Roundtrip, found 6 days ago

$231

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $231 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$237 Roundtrip, found 6 days ago

$237

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $237 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$241 Roundtrip, found 6 days ago

$241

Roundtrip

found 6 days ago

Select Delta flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $241 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$241 Roundtrip, found 6 days ago

$241

Roundtrip

found 6 days ago

Select United flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $241 found 6 days ago

Wed, Sep 17 - Wed, Sep 24

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$243 Roundtrip, found 6 days ago

$243

Roundtrip

found 6 days ago

Select Air Canada flight, departing Wed, Sep 17 from O'Hare Intl. to Pierre Elliott Trudeau Intl., returning Wed, Sep 24, priced at $243 found 6 days ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$255 Roundtrip, found 1 day ago

$255

Roundtrip

found 1 day 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 1 day ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$272 Roundtrip, found 1 day ago

$272

Roundtrip

found 1 day 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 1 day ago

Thu, Sep 18 - Tue, Sep 23

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$284 Roundtrip, found 1 day ago

$284

Roundtrip

found 1 day 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 1 day ago

Fri, Jul 25 - Tue, Jul 29

MDW

Midway Intl.

YUL

Pierre Elliott Trudeau Intl.

$286 Roundtrip, found 21 hours ago

$286

Roundtrip

found 21 hours 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 21 hours ago

Fri, Jul 25 - Thu, Jul 31

ORD

O'Hare Intl.

YUL

Pierre Elliott Trudeau Intl.

$443 Roundtrip, found 7 hours ago

$443

Roundtrip

found 7 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 7 hours ago