Flights from Washington to Chicago

Cheapest flights from Washington

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 1 day ago

$110

Roundtrip

found 1 day 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 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 13 - Sat, Aug 16

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$127 Roundtrip, found 6 days ago

$127

Roundtrip

found 6 days ago

Select United flight, departing Wed, Aug 13 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sat, Aug 16, priced at $127 found 6 days ago

Thu, Aug 14 - Sun, Aug 17

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$128 Roundtrip, found 6 days ago

$128

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug 14 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Aug 17, priced at $128 found 6 days ago

Wed, Jul 2 - Thu, Jul 3

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$139 Roundtrip, found 1 day ago

$139

Roundtrip

found 1 day 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 1 day ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$139 Roundtrip, found 1 day ago

$139

Roundtrip

found 1 day 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 1 day ago

Sun, Sep 14 - Mon, Sep 22

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$141 Roundtrip, found 1 day ago

$141

Roundtrip

found 1 day 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 1 day ago

Sun, Jun 29 - Thu, Jul 3

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$144 Roundtrip, found 1 day ago

$144

Roundtrip

found 1 day 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 1 day ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$146 Roundtrip, found 1 day ago

$146

Roundtrip

found 1 day 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 1 day ago

Wed, Jul 2 - Fri, Jul 4

BWI

Baltimore Washington Intl. Thurgood Marshall

MDW

Midway Intl.

$146 Roundtrip, found 1 day ago

$146

Roundtrip

found 1 day 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 1 day ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day 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 1 day ago

Sun, Jul 13 - Sun, Jul 20

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 Sun, Jul 13 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Sun, Jul 20, priced at $152 found 2 days ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$156 Roundtrip, found 1 day ago

$156

Roundtrip

found 1 day 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 $156 found 1 day ago

Wed, Aug 13 - Sat, Aug 16

IAD

Washington Dulles Intl.

ORD

O'Hare Intl.

$169 Roundtrip, found 3 days ago

$169

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 13 from Washington Dulles Intl. to O'Hare Intl., returning Sat, Aug 16, priced at $169 found 3 days ago

Wed, Aug 13 - Sat, Aug 16

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$169 Roundtrip, found 5 days ago

$169

Roundtrip

found 5 days ago

Select United flight, departing Wed, Aug 13 from Ronald Reagan Washington National to O'Hare Intl., returning Sat, Aug 16, priced at $169 found 5 days ago

Wed, Aug 13 - Sat, Aug 16

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$169 Roundtrip, found 5 days ago

$169

Roundtrip

found 5 days ago

Select American Airlines flight, departing Wed, Aug 13 from Ronald Reagan Washington National to O'Hare Intl., returning Sat, Aug 16, priced at $169 found 5 days ago

Tue, Sep 16 - Tue, Sep 23

BWI

Baltimore Washington Intl. Thurgood Marshall

ORD

O'Hare Intl.

$197 Roundtrip, found 1 day ago

$197

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Sep 16 from Baltimore Washington Intl. Thurgood Marshall to O'Hare Intl., returning Tue, Sep 23, priced at $197 found 1 day ago

Tue, Jul 1 - Tue, Jul 1

DCA

Ronald Reagan Washington National

MDW

Midway Intl.

$199 Roundtrip, found 1 day ago

$199

Roundtrip

found 1 day ago

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

Tue, Jul 1 - Thu, Jul 10

IAD

Washington Dulles Intl.

MDW

Midway Intl.

$234 Roundtrip, found 1 day ago

$234

Roundtrip

found 1 day ago

Select Delta flight, departing Tue, Jul 1 from Washington Dulles Intl. to Midway Intl., returning Thu, Jul 10, priced at $234 found 1 day ago

Wed, Jun 25 - Mon, Jun 30

DCA

Ronald Reagan Washington National

ORD

O'Hare Intl.

$409 Roundtrip, found 4 days ago

$409

Roundtrip

found 4 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 4 days ago