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, Jan 8 - Sun, Jan 25

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$68 Roundtrip, found 4 days ago

$68

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 8 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jan 25, priced at $68 found 4 days ago

Thu, Jan 8 - Thu, Jan 29

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$87 Roundtrip, found 4 days ago

$87

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 8 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jan 29, priced at $87 found 4 days ago

Tue, Jan 13 - Sun, Jan 25

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$94 Roundtrip, found 4 days ago

$94

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jan 13 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Jan 25, priced at $94 found 4 days ago

Thu, Jan 22 - Thu, Feb 12

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$97 Roundtrip, found 4 days ago

$97

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 22 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Feb 12, priced at $97 found 4 days ago

Sun, Dec 14 - Wed, Dec 17

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$98 Roundtrip, found 6 days ago

$98

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 14 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Dec 17, priced at $98 found 6 days ago

Sun, Feb 1 - Sun, Feb 15

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$104 Roundtrip, found 4 days ago

$104

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sun, Feb 1 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Feb 15, priced at $104 found 4 days ago

Sun, Dec 14 - Tue, Dec 30

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$106 Roundtrip, found 6 days ago

$106

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sun, Dec 14 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Tue, Dec 30, priced at $106 found 6 days ago

Thu, Jan 15 - Fri, Jan 30

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$108 Roundtrip, found 4 days ago

$108

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 15 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Jan 30, priced at $108 found 4 days ago

Mon, Jan 19 - Sun, Feb 1

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$109 Roundtrip, found 4 days ago

$109

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Mon, Jan 19 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Feb 1, priced at $109 found 4 days ago

Thu, Jan 8 - Fri, Jan 23

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$111 Roundtrip, found 4 days ago

$111

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Thu, Jan 8 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Fri, Jan 23, priced at $111 found 4 days ago

Tue, Jan 13 - Thu, Jan 29

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$113 Roundtrip, found 4 days ago

$113

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Tue, Jan 13 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jan 29, priced at $113 found 4 days ago

Thu, Feb 12 - Sun, Mar 1

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$123 Roundtrip, found 4 days ago

$123

Roundtrip

found 4 days ago

Select Spirit Airlines flight, departing Thu, Feb 12 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Sun, Mar 1, priced at $123 found 4 days ago

Sat, Jan 10 - Fri, Jan 23

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$134 Roundtrip, found 4 days ago

$134

Roundtrip

found 4 days ago

Select Frontier Airlines flight, departing Sat, Jan 10 from O'Hare Intl. to Washington Dulles Intl., returning Fri, Jan 23, priced at $134 found 4 days ago

Wed, Nov 12 - Wed, Nov 12

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$147 Roundtrip, found 6 days ago

$147

Roundtrip

found 6 days ago

Select JetBlue Airways flight, departing Wed, Nov 12 from O'Hare Intl. to Ronald Reagan Washington National, returning Wed, Nov 12, priced at $147 found 6 days ago

Wed, Dec 17 - Thu, Jan 1

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$173 Roundtrip, found 6 days ago

$173

Roundtrip

found 6 days ago

Select American Airlines flight, departing Wed, Dec 17 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jan 1, priced at $173 found 6 days ago

Wed, Dec 17 - Thu, Jan 1

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$173 Roundtrip, found 6 days ago

$173

Roundtrip

found 6 days ago

Select United flight, departing Wed, Dec 17 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Jan 1, priced at $173 found 6 days ago

Mon, Jan 12 - Wed, Jan 28

ORD

O'Hare Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$177 Roundtrip, found 4 days ago

$177

Roundtrip

found 4 days ago

Select Delta flight, departing Mon, Jan 12 from O'Hare Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Wed, Jan 28, priced at $177 found 4 days ago

Mon, Nov 17 - Thu, Nov 27

MDW

Midway Intl.

BWI

Baltimore Washington Intl. Thurgood Marshall

$237 Roundtrip, found 3 days ago

$237

Roundtrip

found 3 days ago

Select Delta flight, departing Mon, Nov 17 from Midway Intl. to Baltimore Washington Intl. Thurgood Marshall, returning Thu, Nov 27, priced at $237 found 3 days ago

Sun, Nov 23 - Tue, Nov 25

MDW

Midway Intl.

IAD

Washington Dulles Intl.

$369 Roundtrip, found 3 days ago

$369

Roundtrip

found 3 days ago

Select Delta flight, departing Sun, Nov 23 from Midway Intl. to Washington Dulles Intl., returning Tue, Nov 25, priced at $369 found 3 days ago

Sun, Nov 23 - Tue, Nov 25

MDW

Midway Intl.

DCA

Ronald Reagan Washington National

$369 Roundtrip, found 3 days ago

$369

Roundtrip

found 3 days ago

Select Delta flight, departing Sun, Nov 23 from Midway Intl. to Ronald Reagan Washington National, returning Tue, Nov 25, priced at $369 found 3 days ago