Flights from Chicago to Aurora

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.

Sat, Oct 18 - Wed, Oct 22

ORD

O'Hare Intl.

PDX

Portland Intl.

$197 Roundtrip, found 6 days ago

$197

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Sat, Oct 18 from O'Hare Intl. to Portland Intl., returning Wed, Oct 22, priced at $197 found 6 days ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

PDX

Portland Intl.

$198 Roundtrip, found 6 days ago

$198

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Portland Intl., returning Thu, Oct 16, priced at $198 found 6 days ago

Mon, Sep 22 - Tue, Sep 30

ORD

O'Hare Intl.

PDX

Portland Intl.

$206 Roundtrip, found 1 day ago

$206

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Portland Intl., returning Tue, Sep 30, priced at $206 found 1 day ago

Thu, Oct 16 - Wed, Oct 22

ORD

O'Hare Intl.

PDX

Portland Intl.

$207 Roundtrip, found 6 days ago

$207

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Thu, Oct 16 from O'Hare Intl. to Portland Intl., returning Wed, Oct 22, priced at $207 found 6 days ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

PDX

Portland Intl.

$213 Roundtrip, found 6 days ago

$213

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Portland Intl., returning Thu, Oct 16, priced at $213 found 6 days ago

Mon, Sep 22 - Thu, Oct 2

ORD

O'Hare Intl.

PDX

Portland Intl.

$216 Roundtrip, found 1 day ago

$216

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Sep 22 from O'Hare Intl. to Portland Intl., returning Thu, Oct 2, priced at $216 found 1 day ago

Sun, Sep 28 - Tue, Sep 30

ORD

O'Hare Intl.

PDX

Portland Intl.

$222 Roundtrip, found 1 day ago

$222

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Sep 28 from O'Hare Intl. to Portland Intl., returning Tue, Sep 30, priced at $222 found 1 day ago

Sat, Sep 27 - Sat, Sep 27

ORD

O'Hare Intl.

PDX

Portland Intl.

$227 Roundtrip, found 1 day ago

$227

Roundtrip

found 1 day ago

Select Alaska Airlines flight, departing Sat, Sep 27 from O'Hare Intl. to Portland Intl., returning Sat, Sep 27, priced at $227 found 1 day ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

PDX

Portland Intl.

$229 Roundtrip, found 6 days ago

$229

Roundtrip

found 6 days ago

Select United flight, departing Wed, Oct 15 from O'Hare Intl. to Portland Intl., returning Thu, Oct 16, priced at $229 found 6 days ago

Sun, Sep 28 - Thu, Oct 2

ORD

O'Hare Intl.

PDX

Portland Intl.

$232 Roundtrip, found 1 day ago

$232

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Sep 28 from O'Hare Intl. to Portland Intl., returning Thu, Oct 2, priced at $232 found 1 day ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

PDX

Portland Intl.

$234 Roundtrip, found 6 days ago

$234

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Portland Intl., returning Thu, Oct 16, priced at $234 found 6 days ago

Sat, Sep 27 - Tue, Sep 30

ORD

O'Hare Intl.

PDX

Portland Intl.

$237 Roundtrip, found 1 day ago

$237

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Sat, Sep 27 from O'Hare Intl. to Portland Intl., returning Tue, Sep 30, priced at $237 found 1 day ago

Tue, Oct 14 - Sun, Oct 19

ORD

O'Hare Intl.

PDX

Portland Intl.

$237 Roundtrip, found 6 days ago

$237

Roundtrip

found 6 days ago

Select Hawaiian Airlines flight, departing Tue, Oct 14 from O'Hare Intl. to Portland Intl., returning Sun, Oct 19, priced at $237 found 6 days ago

Sat, Sep 27 - Sun, Sep 28

ORD

O'Hare Intl.

PDX

Portland Intl.

$238 Roundtrip, found 1 day ago

$238

Roundtrip

found 1 day ago

Select Hawaiian Airlines flight, departing Sat, Sep 27 from O'Hare Intl. to Portland Intl., returning Sun, Sep 28, priced at $238 found 1 day ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

PDX

Portland Intl.

$244 Roundtrip, found 6 days ago

$244

Roundtrip

found 6 days ago

Select United flight, departing Wed, Oct 15 from O'Hare Intl. to Portland Intl., returning Thu, Oct 16, priced at $244 found 6 days ago

Tue, Oct 14 - Sat, Oct 25

ORD

O'Hare Intl.

PDX

Portland Intl.

$247 Roundtrip, found 6 days ago

$247

Roundtrip

found 6 days ago

Select Delta flight, departing Tue, Oct 14 from O'Hare Intl. to Portland Intl., returning Sat, Oct 25, priced at $247 found 6 days ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

PDX

Portland Intl.

$248 Roundtrip, found 6 days ago

$248

Roundtrip

found 6 days ago

Select United flight, departing Wed, Oct 15 from O'Hare Intl. to Portland Intl., returning Thu, Oct 16, priced at $248 found 6 days ago

Thu, Sep 25 - Mon, Sep 29

ORD

O'Hare Intl.

PDX

Portland Intl.

$249 Roundtrip, found 1 day ago

$249

Roundtrip

found 1 day ago

Select American Airlines flight, departing Thu, Sep 25 from O'Hare Intl. to Portland Intl., returning Mon, Sep 29, priced at $249 found 1 day ago

Sun, Oct 12 - Tue, Oct 21

ORD

O'Hare Intl.

PDX

Portland Intl.

$258 Roundtrip, found 6 days ago

$258

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Oct 12 from O'Hare Intl. to Portland Intl., returning Tue, Oct 21, priced at $258 found 6 days ago

Wed, Nov 26 - Sun, Nov 30

ORD

O'Hare Intl.

PDX

Portland Intl.

$365 Roundtrip, found 6 days ago

$365

Roundtrip

found 6 days ago

Select Sun Country Airlines flight, departing Wed, Nov 26 from O'Hare Intl. to Portland Intl., returning Sun, Nov 30, priced at $365 found 6 days ago