Flights from Baltimore to Chicago

Cheapest flights from Baltimore

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, May 27 - Wed, Jun 4

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$142 Roundtrip, found 6 hours ago

$142

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Tue, May 27 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, Jun 4, priced at $142 found 6 hours ago

Tue, May 27 - Thu, May 29

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$146 Roundtrip, found 6 hours ago

$146

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Tue, May 27 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, May 29, priced at $146 found 6 hours ago

Mon, May 26 - Wed, Jun 4

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$149 Roundtrip, found 3 days ago

$149

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, May 26 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Jun 4, priced at $149 found 3 days ago

Sun, May 25 - Thu, May 29

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$150 Roundtrip, found 6 hours ago

$150

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Sun, May 25 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, May 29, priced at $150 found 6 hours ago

Wed, May 28 - Wed, Jun 4

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$160 Roundtrip, found 6 hours ago

$160

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Wed, May 28 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, Jun 4, priced at $160 found 6 hours ago

Tue, May 27 - Thu, Jun 5

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$161 Roundtrip, found 6 hours ago

$161

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Tue, May 27 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jun 5, priced at $161 found 6 hours ago

Sun, May 25 - Thu, Jun 5

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$165 Roundtrip, found 6 hours ago

$165

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Sun, May 25 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jun 5, priced at $165 found 6 hours ago

Sun, Sep 7 - Sat, Sep 13

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Sep 7 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sat, Sep 13, priced at $170 found 1 day ago

Sun, Sep 7 - Sat, Sep 13

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$170 Roundtrip, found 1 day ago

$170

Roundtrip

found 1 day ago

Select United flight, departing Sun, Sep 7 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sat, Sep 13, priced at $170 found 1 day ago

Tue, May 27 - Wed, May 28

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$174 Roundtrip, found 6 hours ago

$174

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Tue, May 27 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, May 28, priced at $174 found 6 hours ago

Sun, May 25 - Wed, May 28

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$178 Roundtrip, found 6 hours ago

$178

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Sun, May 25 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, May 28, priced at $178 found 6 hours ago

Fri, May 23 - Wed, Jun 4

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$181 Roundtrip, found 3 days ago

$181

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, May 23 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Jun 4, priced at $181 found 3 days ago

Sun, May 25 - Fri, May 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$183 Roundtrip, found 6 hours ago

$183

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Sun, May 25 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Fri, May 30, priced at $183 found 6 hours ago

Sat, May 24 - Wed, Jun 4

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$184 Roundtrip, found 6 hours ago

$184

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Sat, May 24 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, Jun 4, priced at $184 found 6 hours ago

Sun, Sep 7 - Sat, Sep 13

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$187 Roundtrip, found 1 day ago

$187

Roundtrip

found 1 day ago

Select United flight, departing Sun, Sep 7 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sat, Sep 13, priced at $187 found 1 day ago

Sat, May 24 - Sun, May 25

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$188 Roundtrip, found 6 hours ago

$188

Roundtrip

found 6 hours ago

Select Spirit Airlines flight, departing Sat, May 24 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, May 25, priced at $188 found 6 hours ago

Wed, May 28 - Wed, May 28

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$191 Roundtrip, found 6 hours ago

$191

Roundtrip

found 6 hours ago

Select Delta flight, departing Wed, May 28 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, May 28, priced at $191 found 6 hours ago

Wed, Jul 30 - Mon, Aug 11

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$229 Roundtrip, found 6 hours ago

$229

Roundtrip

found 6 hours ago

Select United flight, departing Wed, Jul 30 from Ronald Reagan Washington National to O'Hare Intl., returning Mon, Aug 11, priced at $229 found 6 hours ago

Tue, Jul 29 - Fri, Aug 8

DCA

Ronald Reagan Washington National

MDW

Midway Intl.

$249 Roundtrip, found 6 hours ago

$249

Roundtrip

found 6 hours ago

Select Delta flight, departing Tue, Jul 29 from Ronald Reagan Washington National to Midway Intl., returning Fri, Aug 8, priced at $249 found 6 hours ago

Mon, Aug 4 - Thu, Aug 7

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$312 Roundtrip, found 4 days ago

$312

Roundtrip

found 4 days ago

Select JetBlue Airways flight, departing Mon, Aug 4 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Aug 7, priced at $312 found 4 days ago