Flights from Chicago to Orono

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.

Tue, Sep 9 - Tue, Sep 9

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$153 Roundtrip, found 3 hours ago

$153

Roundtrip

found 3 hours ago

Select United flight, departing Tue, Sep 9 from O'Hare Intl. to Pearson Intl., returning Tue, Sep 9, priced at $153 found 3 hours ago

Fri, Sep 5 - Tue, Sep 9

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$167 Roundtrip, found 3 hours ago

$167

Roundtrip

found 3 hours ago

Select Air Canada flight, departing Fri, Sep 5 from O'Hare Intl. to Pearson Intl., returning Tue, Sep 9, priced at $167 found 3 hours ago

Wed, Jul 23 - Sun, Aug 3

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$201 Roundtrip, found 3 days ago

$201

Roundtrip

found 3 days ago

Select Air Canada flight, departing Wed, Jul 23 from O'Hare Intl. to Pearson Intl., returning Sun, Aug 3, priced at $201 found 3 days ago

Sat, Jul 12 - Sat, Jul 12

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$203 Roundtrip, found 2 days ago

$203

Roundtrip

found 2 days ago

Select United flight, departing Sat, Jul 12 from O'Hare Intl. to Pearson Intl., returning Sat, Jul 12, priced at $203 found 2 days ago

Wed, Jul 23 - Sun, Aug 3

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$211 Roundtrip, found 3 days ago

$211

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Jul 23 from O'Hare Intl. to Pearson Intl., returning Sun, Aug 3, priced at $211 found 3 days ago

Mon, Jul 7 - Mon, Jul 14

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 days ago

Select United flight, departing Mon, Jul 7 from O'Hare Intl. to Pearson Intl., returning Mon, Jul 14, priced at $217 found 2 days ago

Tue, Jul 22 - Tue, Jul 29

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select United flight, departing Tue, Jul 22 from O'Hare Intl. to Pearson Intl., returning Tue, Jul 29, priced at $217 found 3 days ago

Wed, Jul 23 - Sun, Aug 3

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$218 Roundtrip, found 3 days ago

$218

Roundtrip

found 3 days ago

Select Delta flight, departing Wed, Jul 23 from O'Hare Intl. to Pearson Intl., returning Sun, Aug 3, priced at $218 found 3 days ago

Mon, Jun 16 - Sat, Jun 21

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$222 Roundtrip, found 5 days ago

$222

Roundtrip

found 5 days ago

Select United flight, departing Mon, Jun 16 from O'Hare Intl. to Pearson Intl., returning Sat, Jun 21, priced at $222 found 5 days ago

Tue, Jun 10 - Tue, Jun 17

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$224 Roundtrip, found 4 days ago

$224

Roundtrip

found 4 days ago

Select Air Canada flight, departing Tue, Jun 10 from O'Hare Intl. to Pearson Intl., returning Tue, Jun 17, priced at $224 found 4 days ago

Wed, Jul 23 - Sun, Aug 3

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$227 Roundtrip, found 3 days ago

$227

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jul 23 from O'Hare Intl. to Pearson Intl., returning Sun, Aug 3, priced at $227 found 3 days ago

Mon, Jun 16 - Sat, Jun 21

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$228 Roundtrip, found 5 days ago

$228

Roundtrip

found 5 days ago

Select American Airlines flight, departing Mon, Jun 16 from O'Hare Intl. to Pearson Intl., returning Sat, Jun 21, priced at $228 found 5 days ago

Wed, Jun 11 - Tue, Jun 17

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$233 Roundtrip, found 4 days ago

$233

Roundtrip

found 4 days ago

Select Air Canada flight, departing Wed, Jun 11 from O'Hare Intl. to Pearson Intl., returning Tue, Jun 17, priced at $233 found 4 days ago

Fri, Jun 13 - Mon, Jun 16

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$235 Roundtrip, found 2 days ago

$235

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Jun 13 from O'Hare Intl. to Pearson Intl., returning Mon, Jun 16, priced at $235 found 2 days ago

Wed, Jul 23 - Sun, Aug 3

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$239 Roundtrip, found 3 days ago

$239

Roundtrip

found 3 days ago

Select Air Canada flight, departing Wed, Jul 23 from O'Hare Intl. to Pearson Intl., returning Sun, Aug 3, priced at $239 found 3 days ago

Mon, Jun 16 - Sat, Jun 21

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$241 Roundtrip, found 5 days ago

$241

Roundtrip

found 5 days ago

Select Air Canada flight, departing Mon, Jun 16 from O'Hare Intl. to Pearson Intl., returning Sat, Jun 21, priced at $241 found 5 days ago

Thu, Jun 12 - Wed, Jun 18

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$267 Roundtrip, found 4 days ago

$267

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Jun 12 from O'Hare Intl. to Pearson Intl., returning Wed, Jun 18, priced at $267 found 4 days ago

Fri, Jun 13 - Mon, Jun 16

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$270 Roundtrip, found 2 days ago

$270

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Jun 13 from O'Hare Intl. to Pearson Intl., returning Mon, Jun 16, priced at $270 found 2 days ago

Mon, Jun 16 - Sat, Jun 21

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$460 Roundtrip, found 5 days ago

$460

Roundtrip

found 5 days ago

Select WestJet flight, departing Mon, Jun 16 from O'Hare Intl. to Pearson Intl., returning Sat, Jun 21, priced at $460 found 5 days ago

Fri, Jun 13 - Sun, Jun 15

ORD

O'Hare Intl.

YYZ

Pearson Intl.

$882 Roundtrip, found 4 days ago

$882

Roundtrip

found 4 days ago

Select Alaska Airlines flight, departing Fri, Jun 13 from O'Hare Intl. to Pearson Intl., returning Sun, Jun 15, priced at $882 found 4 days ago