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, Jun 8 - Thu, Jun 12

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$100 Roundtrip, found 5 days ago

$100

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sun, Jun 8 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jun 12, priced at $100 found 5 days ago

Sun, Jun 15 - Thu, Jun 19

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$110 Roundtrip, found 3 days ago

$110

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Sun, Jun 15 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jun 19, priced at $110 found 3 days ago

Mon, Jul 21 - Wed, Jul 23

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$117 Roundtrip, found 2 days ago

$117

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Jul 21 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Jul 23, priced at $117 found 2 days ago

Mon, Sep 8 - Thu, Sep 11

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$120 Roundtrip, found 17 hours ago

$120

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Mon, Sep 8 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Sep 11, priced at $120 found 17 hours ago

Thu, Jun 5 - Thu, Jun 12

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$120 Roundtrip, found 5 days ago

$120

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Jun 5 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jun 12, priced at $120 found 5 days ago

Sun, Sep 7 - Thu, Sep 11

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$122 Roundtrip, found 17 hours ago

$122

Roundtrip

found 17 hours ago

Select Spirit Airlines flight, departing Sun, Sep 7 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Sep 11, priced at $122 found 17 hours ago

Fri, Jul 18 - Wed, Jul 23

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$127 Roundtrip, found 2 days ago

$127

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Jul 18 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Jul 23, priced at $127 found 2 days ago

Fri, Sep 5 - Mon, Sep 8

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$127 Roundtrip, found 17 hours ago

$127

Roundtrip

found 17 hours ago

Select Frontier Airlines flight, departing Fri, Sep 5 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Mon, Sep 8, priced at $127 found 17 hours ago

Thu, Jun 5 - Sun, Jun 15

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$130 Roundtrip, found 3 days ago

$130

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Jun 5 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Jun 15, priced at $130 found 3 days ago

Wed, Jul 16 - Fri, Jul 18

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$137 Roundtrip, found 2 days ago

$137

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Fri, Jul 18, priced at $137 found 2 days ago

Fri, Sep 5 - Sun, Sep 7

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$138 Roundtrip, found 3 days ago

$138

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Fri, Sep 5 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Sep 7, priced at $138 found 3 days ago

Mon, Sep 8 - Thu, Sep 11

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$145 Roundtrip, found 17 hours ago

$145

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Mon, Sep 8 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Sep 11, priced at $145 found 17 hours ago

Fri, Sep 5 - Sun, Sep 7

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$145 Roundtrip, found 3 days ago

$145

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Sep 7, priced at $145 found 3 days ago

Tue, Jun 17 - Thu, Jun 19

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$148 Roundtrip, found 3 days ago

$148

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Tue, Jun 17 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Jun 19, priced at $148 found 3 days ago

Fri, Sep 5 - Sun, Sep 7

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$169 Roundtrip, found 3 days ago

$169

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 5 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Sep 7, priced at $169 found 3 days ago

Mon, Sep 8 - Thu, Sep 11

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$177 Roundtrip, found 17 hours ago

$177

Roundtrip

found 17 hours ago

Select American Airlines flight, departing Mon, Sep 8 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Sep 11, priced at $177 found 17 hours ago

Wed, Sep 10 - Wed, Sep 10

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$191 Roundtrip, found 17 hours ago

$191

Roundtrip

found 17 hours ago

Select Delta flight, departing Wed, Sep 10 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Wed, Sep 10, priced at $191 found 17 hours ago

Fri, Sep 5 - Sun, Sep 7

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$195 Roundtrip, found 3 days ago

$195

Roundtrip

found 3 days ago

Select United flight, departing Fri, Sep 5 from Ronald Reagan Washington National to O'Hare Intl., returning Sun, Sep 7, priced at $195 found 3 days ago

Tue, Jul 1 - Wed, Jul 2

DCA

Ronald Reagan Washington National

MDW

Midway Intl.

$197 Roundtrip, found 4 days ago

$197

Roundtrip

found 4 days ago

Select Delta flight, departing Tue, Jul 1 from Ronald Reagan Washington National to Midway Intl., returning Wed, Jul 2, priced at $197 found 4 days ago

Wed, Sep 10 - Tue, Sep 16

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$203 Roundtrip, found 1 day ago

$203

Roundtrip

found 1 day ago

Select JetBlue Airways flight, departing Wed, Sep 10 from Ronald Reagan Washington National to O'Hare Intl., returning Tue, Sep 16, priced at $203 found 1 day ago