Flights from Chicago to Washington

Cheapest flights from Chicago

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, Sep 4 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$100 Roundtrip, found 4 days ago

$100

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Sep 4 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $100 found 4 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$116 Roundtrip, found 4 days ago

$116

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $116 found 4 days ago

Thu, Nov 13 - Tue, Nov 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$127 Roundtrip, found 5 days ago

$127

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Thu, Nov 13 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Nov 18, priced at $127 found 5 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$131 Roundtrip, found 4 days ago

$131

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $131 found 4 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$134 Roundtrip, found 4 days ago

$134

Roundtrip

found 4 days ago

Select American Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $134 found 4 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$135 Roundtrip, found 4 days ago

$135

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $135 found 4 days ago

Sun, Nov 16 - Tue, Nov 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$137 Roundtrip, found 5 days ago

$137

Roundtrip

found 5 days ago

Select Spirit Airlines flight, departing Sun, Nov 16 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Nov 18, priced at $137 found 5 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$138 Roundtrip, found 4 days ago

$138

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $138 found 4 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$142 Roundtrip, found 4 days ago

$142

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $142 found 4 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$143 Roundtrip, found 4 days ago

$143

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $143 found 4 days ago

Wed, Sep 3 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$145 Roundtrip, found 4 days ago

$145

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Wed, Sep 3 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $145 found 4 days ago

Fri, Sep 5 - Sun, Sep 7

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$146 Roundtrip, found 4 days ago

$146

Roundtrip

found 4 days ago

Select Delta flight, departing Fri, Sep 5 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Sep 7, priced at $146 found 4 days ago

Tue, Nov 18 - Sat, Nov 22

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$187 Roundtrip, found 4 days ago

$187

Roundtrip

found 4 days ago

Select American Airlines flight, departing Tue, Nov 18 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Nov 22, priced at $187 found 4 days ago

Mon, Dec 22 - Wed, Dec 31

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$197 Roundtrip, found 3 days ago

$197

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Dec 22 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Dec 31, priced at $197 found 3 days ago

Sat, Nov 15 - Thu, Nov 27

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$197 Roundtrip, found 4 days ago

$197

Roundtrip

found 4 days ago

Select Delta flight, departing Sat, Nov 15 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Nov 27, priced at $197 found 4 days ago

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$217 Roundtrip, found 3 days ago

$217

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Tue, Jul 29 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, Aug 5, priced at $217 found 3 days ago

Sat, Aug 2 - Wed, Aug 6

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$221 Roundtrip, found 2 days ago

$221

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sat, Aug 2 from O'Hare Intl. to Washington Dulles Intl., returning Wed, Aug 6, priced at $221 found 2 days ago

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$263 Roundtrip, found 3 days ago

$263

Roundtrip

found 3 days ago

Select United flight, departing Tue, Jul 29 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, Aug 5, priced at $263 found 3 days ago

Sun, Nov 16 - Sun, Nov 23

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$287 Roundtrip, found 4 days ago

$287

Roundtrip

found 4 days ago

Select Sun Country Airlines flight, departing Sun, Nov 16 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Nov 23, priced at $287 found 4 days ago

Tue, Aug 5 - Wed, Aug 6

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$313 Roundtrip, found 4 hours ago

$313

Roundtrip

found 4 hours ago

Select JetBlue Airways flight, departing Tue, Aug 5 from O'Hare Intl. to Ronald Reagan Washington National, returning Wed, Aug 6, priced at $313 found 4 hours ago