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, Dec 11 - Sun, Dec 14

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$110 Roundtrip, found 10 hours ago

$110

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Thu, Dec 11 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Dec 14, priced at $110 found 10 hours ago

Mon, Oct 27 - Mon, Nov 3

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$116 Roundtrip, found 23 hours ago

$116

Roundtrip

found 23 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 23 hours ago

Fri, Oct 17 - Sun, Oct 19

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$126 Roundtrip, found 5 days ago

$126

Roundtrip

found 5 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 5 days ago

Mon, Oct 27 - Sun, Nov 2

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$131 Roundtrip, found 23 hours ago

$131

Roundtrip

found 23 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 23 hours ago

Thu, Nov 27 - Thu, Dec 4

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$135 Roundtrip, found 3 days ago

$135

Roundtrip

found 3 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 3 days ago

Mon, Dec 8 - Mon, Dec 15

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$138 Roundtrip, found 10 hours ago

$138

Roundtrip

found 10 hours ago

Select Frontier Airlines flight, departing Mon, Dec 8 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Dec 15, priced at $138 found 10 hours ago

Thu, Dec 11 - Tue, Dec 16

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$140 Roundtrip, found 10 hours ago

$140

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Thu, Dec 11 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Dec 16, priced at $140 found 10 hours ago

Thu, Oct 23 - Sat, Oct 25

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$144 Roundtrip, found 23 hours ago

$144

Roundtrip

found 23 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 23 hours ago

Fri, Oct 17 - Mon, Oct 20

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$149 Roundtrip, found 5 days ago

$149

Roundtrip

found 5 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 5 days ago

Wed, Oct 22 - Sat, Oct 25

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$152 Roundtrip, found 23 hours ago

$152

Roundtrip

found 23 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 23 hours ago

Thu, Dec 11 - Sat, Dec 13

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$153 Roundtrip, found 10 hours ago

$153

Roundtrip

found 10 hours ago

Select Spirit Airlines flight, departing Thu, Dec 11 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Dec 13, priced at $153 found 10 hours ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$154 Roundtrip, found 2 days ago

$154

Roundtrip

found 2 days 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 2 days ago

Wed, Oct 15 - Sat, Oct 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$154 Roundtrip, found 5 days ago

$154

Roundtrip

found 5 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 5 days ago

Wed, Oct 22 - Wed, Oct 22

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$191 Roundtrip, found 23 hours ago

$191

Roundtrip

found 23 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 23 hours ago

Thu, Oct 30 - Thu, Oct 30

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$239 Roundtrip, found 15 hours ago

$239

Roundtrip

found 15 hours ago

Select United flight, departing Thu, Oct 30 from O'Hare Intl. to Washington Dulles Intl., returning Thu, Oct 30, priced at $239 found 15 hours ago

Wed, Dec 31 - Thu, Jan 1

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$257 Roundtrip, found 1 day ago

$257

Roundtrip

found 1 day 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 1 day 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 23 hours ago

$287

Roundtrip

found 23 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 23 hours ago

Sat, Oct 25 - Mon, Oct 27

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$459 Roundtrip, found 23 hours ago

$459

Roundtrip

found 23 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 23 hours ago

Sat, Oct 25 - Mon, Oct 27

MDW

Midway Intl.

IAD

Washington Dulles Intl.

$463 Roundtrip, found 23 hours ago

$463

Roundtrip

found 23 hours ago

Select Delta flight, departing Sat, Oct 25 from Midway Intl. to Washington Dulles Intl., returning Mon, Oct 27, priced at $463 found 23 hours ago