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.

Fri, Oct 17 - Sun, Oct 19

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$126 Roundtrip, found 3 days ago

$126

Roundtrip

found 3 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 3 days ago

Fri, Oct 24 - Sat, Oct 25

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$131 Roundtrip, found 1 day ago

$131

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Oct 24 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 25, priced at $131 found 1 day ago

Thu, Nov 27 - Thu, Dec 4

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$135 Roundtrip, found 1 day ago

$135

Roundtrip

found 1 day 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 1 day ago

Thu, Oct 9 - Sat, Oct 11

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$136 Roundtrip, found 5 days ago

$136

Roundtrip

found 5 days ago

Select Frontier Airlines flight, departing Thu, Oct 9 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 11, priced at $136 found 5 days ago

Thu, Oct 23 - Sat, Oct 25

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$140 Roundtrip, found 1 day ago

$140

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Oct 23 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 25, priced at $140 found 1 day ago

Fri, Sep 26 - Sun, Oct 5

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$145 Roundtrip, found 6 days ago

$145

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Fri, Sep 26 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Oct 5, priced at $145 found 6 days ago

Fri, Oct 17 - Mon, Oct 20

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$149 Roundtrip, found 3 days ago

$149

Roundtrip

found 3 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 3 days ago

Thu, Oct 23 - Sun, Oct 26

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$151 Roundtrip, found 1 day ago

$151

Roundtrip

found 1 day 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 $151 found 1 day ago

Tue, Oct 21 - Sat, Oct 25

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$152 Roundtrip, found 1 day ago

$152

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Tue, Oct 21 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sat, Oct 25, priced at $152 found 1 day ago

Wed, Oct 15 - Thu, Oct 16

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$154 Roundtrip, found 19 hours ago

$154

Roundtrip

found 19 hours 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 19 hours ago

Wed, Oct 15 - Sat, Oct 18

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$154 Roundtrip, found 3 days ago

$154

Roundtrip

found 3 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 3 days ago

Fri, Oct 24 - Fri, Oct 24

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$156 Roundtrip, found 1 day ago

$156

Roundtrip

found 1 day 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 1 day ago

Fri, Oct 24 - Mon, Oct 27

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$157 Roundtrip, found 1 day ago

$157

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Oct 24 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Mon, Oct 27, priced at $157 found 1 day ago

Tue, Oct 14 - Thu, Oct 16

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$159 Roundtrip, found 19 hours ago

$159

Roundtrip

found 19 hours 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 19 hours ago

Mon, Oct 27 - Tue, Oct 28

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$160 Roundtrip, found 1 day ago

$160

Roundtrip

found 1 day ago

Select Spirit Airlines flight, departing Mon, Oct 27 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Oct 28, priced at $160 found 1 day ago

Sat, Sep 27 - Tue, Oct 7

MDW

Midway Intl.

IAD

Washington Dulles Intl.

$179 Roundtrip, found 1 day ago

$179

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Sep 27 from Midway Intl. to Washington Dulles Intl., returning Tue, Oct 7, priced at $179 found 1 day ago

Wed, Oct 8 - Sun, Oct 12

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$233 Roundtrip, found 5 days ago

$233

Roundtrip

found 5 days ago

Select Delta flight, departing Wed, Oct 8 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Oct 12, priced at $233 found 5 days ago

Mon, Oct 27 - Mon, Nov 3

MDW

Midway Intl.

DCA

Ronald Reagan Washington National

$275 Roundtrip, found 2 hours ago

$275

Roundtrip

found 2 hours ago

Select Delta flight, departing Mon, Oct 27 from Midway Intl. to Ronald Reagan Washington National, returning Mon, Nov 3, priced at $275 found 2 hours ago

Wed, Dec 17 - Sun, Dec 21

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$287 Roundtrip, found 1 day ago

$287

Roundtrip

found 1 day ago

Select United flight, departing Wed, Dec 17 from O'Hare Intl. to Ronald Reagan Washington National, returning Sun, Dec 21, priced at $287 found 1 day ago

Wed, Dec 17 - Sun, Dec 21

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$313 Roundtrip, found 1 day ago

$313

Roundtrip

found 1 day ago

Select American Airlines flight, departing Wed, Dec 17 from O'Hare Intl. to Ronald Reagan Washington National, returning Sun, Dec 21, priced at $313 found 1 day ago