Flights from Chicago to Bay City

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 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$207 Roundtrip, found 20 hours ago

$207

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $207 found 20 hours ago

Sun, Aug 31 - Mon, Sep 15

ORD

O'Hare Intl.

PDX

Portland Intl.

$209 Roundtrip, found 20 hours ago

$209

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Sun, Aug 31 from O'Hare Intl. to Portland Intl., returning Mon, Sep 15, priced at $209 found 20 hours ago

Tue, Sep 30 - Fri, Oct 3

ORD

O'Hare Intl.

PDX

Portland Intl.

$212 Roundtrip, found 5 days ago

$212

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Tue, Sep 30 from O'Hare Intl. to Portland Intl., returning Fri, Oct 3, priced at $212 found 5 days ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$216 Roundtrip, found 20 hours ago

$216

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $216 found 20 hours ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$218 Roundtrip, found 20 hours ago

$218

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $218 found 20 hours ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$218 Roundtrip, found 20 hours ago

$218

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $218 found 20 hours ago

Mon, Sep 1 - Mon, Sep 15

ORD

O'Hare Intl.

PDX

Portland Intl.

$220 Roundtrip, found 20 hours ago

$220

Roundtrip

found 20 hours ago

Select Spirit Airlines flight, departing Mon, Sep 1 from O'Hare Intl. to Portland Intl., returning Mon, Sep 15, priced at $220 found 20 hours ago

Fri, Oct 3 - Sat, Oct 4

ORD

O'Hare Intl.

PDX

Portland Intl.

$223 Roundtrip, found 5 days ago

$223

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Fri, Oct 3 from O'Hare Intl. to Portland Intl., returning Sat, Oct 4, priced at $223 found 5 days ago

Fri, Oct 3 - Fri, Oct 3

ORD

O'Hare Intl.

PDX

Portland Intl.

$225 Roundtrip, found 5 days ago

$225

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Fri, Oct 3 from O'Hare Intl. to Portland Intl., returning Fri, Oct 3, priced at $225 found 5 days ago

Sat, Oct 4 - Sat, Oct 4

ORD

O'Hare Intl.

PDX

Portland Intl.

$225 Roundtrip, found 5 days ago

$225

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Sat, Oct 4 from O'Hare Intl. to Portland Intl., returning Sat, Oct 4, priced at $225 found 5 days ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$227 Roundtrip, found 20 hours ago

$227

Roundtrip

found 20 hours ago

Select United flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $227 found 20 hours ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$227 Roundtrip, found 20 hours ago

$227

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $227 found 20 hours ago

Sat, Oct 25 - Mon, Oct 27

ORD

O'Hare Intl.

PDX

Portland Intl.

$232 Roundtrip, found 6 days ago

$232

Roundtrip

found 6 days ago

Select Alaska Airlines flight, departing Sat, Oct 25 from O'Hare Intl. to Portland Intl., returning Mon, Oct 27, priced at $232 found 6 days ago

Tue, Sep 30 - Thu, Oct 9

ORD

O'Hare Intl.

PDX

Portland Intl.

$236 Roundtrip, found 5 days ago

$236

Roundtrip

found 5 days ago

Select Hawaiian Airlines flight, departing Tue, Sep 30 from O'Hare Intl. to Portland Intl., returning Thu, Oct 9, priced at $236 found 5 days ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$237 Roundtrip, found 20 hours ago

$237

Roundtrip

found 20 hours ago

Select Alaska Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $237 found 20 hours ago

Sat, Oct 25 - Mon, Oct 27

ORD

O'Hare Intl.

PDX

Portland Intl.

$237 Roundtrip, found 6 days ago

$237

Roundtrip

found 6 days ago

Select United flight, departing Sat, Oct 25 from O'Hare Intl. to Portland Intl., returning Mon, Oct 27, priced at $237 found 6 days ago

Wed, Sep 3 - Wed, Sep 17

ORD

O'Hare Intl.

PDX

Portland Intl.

$238 Roundtrip, found 20 hours ago

$238

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Portland Intl., returning Wed, Sep 17, priced at $238 found 20 hours ago

Sat, Oct 25 - Mon, Oct 27

ORD

O'Hare Intl.

PDX

Portland Intl.

$242 Roundtrip, found 6 days ago

$242

Roundtrip

found 6 days ago

Select United flight, departing Sat, Oct 25 from O'Hare Intl. to Portland Intl., returning Mon, Oct 27, priced at $242 found 6 days ago

Tue, Oct 14 - Tue, Oct 21

ORD

O'Hare Intl.

PDX

Portland Intl.

$245 Roundtrip, found 5 days ago

$245

Roundtrip

found 5 days ago

Select Delta flight, departing Tue, Oct 14 from O'Hare Intl. to Portland Intl., returning Tue, Oct 21, priced at $245 found 5 days ago

Thu, Oct 2 - Mon, Oct 6

ORD

O'Hare Intl.

PDX

Portland Intl.

$326 Roundtrip, found 5 days ago

$326

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Oct 2 from O'Hare Intl. to Portland Intl., returning Mon, Oct 6, priced at $326 found 5 days ago