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.

Mon, Oct 27 - Mon, Nov 3

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$116 Roundtrip, found 5 hours ago

$116

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Nov 3, priced at $116 found 5 hours ago

Fri, Oct 17 - Sun, Oct 19

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$126 Roundtrip, found 4 days ago

$126

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 17 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Oct 19, priced at $126 found 4 days ago

Mon, Oct 27 - Sun, Nov 2

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$131 Roundtrip, found 5 hours ago

$131

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Mon, Oct 27 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Nov 2, priced at $131 found 5 hours ago

Thu, Nov 27 - Thu, Dec 4

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$135 Roundtrip, found 2 days ago

$135

Roundtrip

found 2 days ago

Select Spirit Airlines flight, departing Thu, Nov 27 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Dec 4, priced at $135 found 2 days ago

Thu, Oct 23 - Sat, Oct 25

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$144 Roundtrip, found 5 hours ago

$144

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Thu, Oct 23 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 25, priced at $144 found 5 hours ago

Fri, Oct 17 - Mon, Oct 20

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$149 Roundtrip, found 4 days ago

$149

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Fri, Oct 17 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Oct 20, priced at $149 found 4 days ago

Wed, Oct 22 - Sat, Oct 25

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$152 Roundtrip, found 5 hours ago

$152

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Wed, Oct 22 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 25, priced at $152 found 5 hours ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$154 Roundtrip, found 1 day ago

$154

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Washington Dulles Intl., returning Thu, Oct 16, priced at $154 found 1 day ago

Wed, Oct 15 - Sat, Oct 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$154 Roundtrip, found 4 days ago

$154

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Wed, Oct 15 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 18, priced at $154 found 4 days ago

Fri, Oct 24 - Fri, Oct 24

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$156 Roundtrip, found 2 days ago

$156

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Fri, Oct 24 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Oct 24, priced at $156 found 2 days ago

Sat, Oct 25 - Mon, Oct 27

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$157 Roundtrip, found 5 hours ago

$157

Roundtrip

found 5 hours ago

Select Frontier Airlines flight, departing Sat, Oct 25 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Oct 27, priced at $157 found 5 hours ago

Tue, Oct 14 - Thu, Oct 16

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$159 Roundtrip, found 1 day ago

$159

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Oct 14 from O'Hare Intl. to Washington Dulles Intl., returning Thu, Oct 16, priced at $159 found 1 day ago

Thu, Oct 23 - Sun, Oct 26

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$161 Roundtrip, found 5 hours ago

$161

Roundtrip

found 5 hours ago

Select Spirit Airlines flight, departing Thu, Oct 23 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Oct 26, priced at $161 found 5 hours ago

Wed, Oct 22 - Wed, Oct 22

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$191 Roundtrip, found 5 hours ago

$191

Roundtrip

found 5 hours ago

Select Delta flight, departing Wed, Oct 22 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Oct 22, priced at $191 found 5 hours ago

Wed, Dec 31 - Thu, Jan 1

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$257 Roundtrip, found 20 hours ago

$257

Roundtrip

found 20 hours ago

Select American Airlines flight, departing Wed, Dec 31 from O'Hare Intl. to Washington Dulles Intl., returning Thu, Jan 1, priced at $257 found 20 hours ago

Wed, Dec 31 - Thu, Jan 1

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$265 Roundtrip, found 20 hours ago

$265

Roundtrip

found 20 hours ago

Select United flight, departing Wed, Dec 31 from O'Hare Intl. to Washington Dulles Intl., returning Thu, Jan 1, priced at $265 found 20 hours ago

Mon, Oct 27 - Mon, Nov 3

MDW

Midway Intl.

DCA

Ronald Reagan Washington National

$275 Roundtrip, found 1 day ago

$275

Roundtrip

found 1 day ago

Select Delta flight, departing Mon, Oct 27 from Midway Intl. to Ronald Reagan Washington National, returning Mon, Nov 3, priced at $275 found 1 day ago

Sat, Oct 25 - Mon, Oct 27

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$287 Roundtrip, found 5 hours ago

$287

Roundtrip

found 5 hours ago

Select American Airlines flight, departing Sat, Oct 25 from O'Hare Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $287 found 5 hours ago

Sat, Oct 25 - Mon, Oct 27

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$459 Roundtrip, found 5 hours ago

$459

Roundtrip

found 5 hours ago

Select JetBlue Airways flight, departing Sat, Oct 25 from O'Hare Intl. to Ronald Reagan Washington National, returning Mon, Oct 27, priced at $459 found 5 hours ago

Sat, Oct 25 - Mon, Oct 27

MDW

Midway Intl.

IAD

Washington Dulles Intl.

$463 Roundtrip, found 5 hours ago

$463

Roundtrip

found 5 hours ago

Select Delta flight, departing Sat, Oct 25 from Midway Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $463 found 5 hours ago