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.

Sun, Sep 14 - Sun, Sep 21

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$110 Roundtrip, found 2 days ago

$110

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Sun, Sep 14 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Sep 21, priced at $110 found 2 days ago

Wed, Aug 6 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$117 Roundtrip, found 1 day ago

$117

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Fri, Aug 8, priced at $117 found 1 day ago

Sun, Aug 3 - Thu, Aug 7

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$119 Roundtrip, found 1 day ago

$119

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Sun, Aug 3 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Aug 7, priced at $119 found 1 day ago

Wed, Aug 6 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$127 Roundtrip, found 1 day ago

$127

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Aug 13, priced at $127 found 1 day ago

Mon, Aug 4 - Wed, Aug 13

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, Aug 4 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Aug 13, priced at $137 found 1 day ago

Wed, Aug 6 - Fri, Aug 15

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$137 Roundtrip, found 1 day ago

$137

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Aug 6 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Fri, Aug 15, priced at $137 found 1 day ago

Wed, Jul 2 - Thu, Jul 3

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$139 Roundtrip, found 3 days ago

$139

Roundtrip

found 3 days ago

Select United flight, departing Wed, Jul 2 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jul 3, priced at $139 found 3 days ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$139 Roundtrip, found 2 days ago

$139

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Sep 16 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Tue, Sep 23, priced at $139 found 2 days ago

Sun, Sep 14 - Mon, Sep 22

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$141 Roundtrip, found 2 days ago

$141

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Sun, Sep 14 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Mon, Sep 22, priced at $141 found 2 days ago

Sun, Jun 29 - Thu, Jul 3

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$144 Roundtrip, found 3 days ago

$144

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Jun 29 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jul 3, priced at $144 found 3 days ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$146 Roundtrip, found 2 days ago

$146

Roundtrip

found 2 days ago

Select United flight, departing Tue, Sep 16 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Tue, Sep 23, priced at $146 found 2 days ago

Wed, Jul 2 - Fri, Jul 4

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$146 Roundtrip, found 3 days ago

$146

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 2 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Fri, Jul 4, priced at $146 found 3 days ago

Wed, Aug 6 - Fri, Aug 8

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$149 Roundtrip, found 1 day ago

$149

Roundtrip

found 1 day ago

Select United flight, departing Wed, Aug 6 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Fri, Aug 8, priced at $149 found 1 day ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$152 Roundtrip, found 2 days ago

$152

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Tue, Sep 16 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Tue, Sep 23, priced at $152 found 2 days ago

Sun, Jul 13 - Sun, Jul 20

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$152 Roundtrip, found 3 days ago

$152

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Jul 13 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Jul 20, priced at $152 found 3 days ago

Wed, Aug 6 - Wed, Aug 6

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$191 Roundtrip, found 1 day ago

$191

Roundtrip

found 1 day ago

Select Delta flight, departing Wed, Aug 6 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Aug 6, priced at $191 found 1 day ago

Tue, Jul 1 - Tue, Jul 1

DCA

Ronald Reagan Washington National

MDW

Midway Intl.

$199 Roundtrip, found 3 days ago

$199

Roundtrip

found 3 days ago

Select Delta flight, departing Tue, Jul 1 from Ronald Reagan Washington National to Midway Intl., returning Tue, Jul 1, priced at $199 found 3 days ago

Fri, Jul 4 - Sat, Jul 5

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$199 Roundtrip, found 2 days ago

$199

Roundtrip

found 2 days ago

Select Delta flight, departing Fri, Jul 4 from Ronald Reagan Washington National to O'Hare Intl., returning Sat, Jul 5, priced at $199 found 2 days ago

Mon, Aug 4 - Thu, Aug 7

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$227 Roundtrip, found 3 days ago

$227

Roundtrip

found 3 days ago

Select American Airlines flight, departing Mon, Aug 4 from Ronald Reagan Washington National to O'Hare Intl., returning Thu, Aug 7, priced at $227 found 3 days ago

Wed, Jun 25 - Mon, Jun 30

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$409 Roundtrip, found 5 days ago

$409

Roundtrip

found 5 days ago

Select JetBlue Airways flight, departing Wed, Jun 25 from Ronald Reagan Washington National to O'Hare Intl., returning Mon, Jun 30, priced at $409 found 5 days ago