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.

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$90 Roundtrip, found 4 days ago

$90

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $90 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$116 Roundtrip, found 4 days ago

$116

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $116 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$124 Roundtrip, found 4 days ago

$124

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $124 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$130 Roundtrip, found 4 days ago

$130

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $130 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$131 Roundtrip, found 4 days ago

$131

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $131 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$142 Roundtrip, found 4 days ago

$142

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $142 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$150 Roundtrip, found 4 days ago

$150

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $150 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$157 Roundtrip, found 4 days ago

$157

Roundtrip

found 4 days ago

Select United flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $157 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$162 Roundtrip, found 4 days ago

$162

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $162 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$164 Roundtrip, found 4 days ago

$164

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $164 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$169 Roundtrip, found 4 days ago

$169

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $169 found 4 days ago

Sun, Aug 10 - Thu, Aug 14

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$170 Roundtrip, found 2 days ago

$170

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Sun, Aug 10 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Aug 14, priced at $170 found 2 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$173 Roundtrip, found 4 days ago

$173

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $173 found 4 days ago

Thu, Oct 23 - Thu, Oct 30

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$179 Roundtrip, found 4 days ago

$179

Roundtrip

found 4 days ago

Select American Airlines flight, departing Thu, Oct 23 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Thu, Oct 30, priced at $179 found 4 days ago

Mon, Aug 11 - Fri, Aug 15

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$198 Roundtrip, found 2 days ago

$198

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Mon, Aug 11 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Fri, Aug 15, priced at $198 found 2 days ago

Tue, Aug 26 - Tue, Sep 9

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$203 Roundtrip, found 2 days ago

$203

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Tue, Aug 26 from Ronald Reagan Washington National to O'Hare Intl., returning Tue, Sep 9, priced at $203 found 2 days ago

Sun, Aug 3 - Wed, Aug 6

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$220 Roundtrip, found 2 days ago

$220

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Baltimore Washington Intl. Thurgood Marshall to Midway Intl., returning Wed, Aug 6, priced at $220 found 2 days ago

Tue, Aug 19 - Tue, Aug 26

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$237 Roundtrip, found 2 days ago

$237

Roundtrip

found 2 days ago

Select Delta flight, departing Tue, Aug 19 from Ronald Reagan Washington National to O'Hare Intl., returning Tue, Aug 26, priced at $237 found 2 days ago

Wed, Aug 6 - Sat, Aug 16

DCA

Ronald Reagan Washington National

MDW

Midway Intl.

$300 Roundtrip, found 5 days ago

$300

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Aug 6 from Ronald Reagan Washington National to Midway Intl., returning Sat, Aug 16, priced at $300 found 5 days ago

Sun, Aug 3 - Mon, Aug 11

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$509 Roundtrip, found 1 day ago

$509

Roundtrip

found 1 day ago

Select American Airlines flight, departing Sun, Aug 3 from Ronald Reagan Washington National to O'Hare Intl., returning Mon, Aug 11, priced at $509 found 1 day ago