Flights from Chicago to Chantilly

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.

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$217 Roundtrip, found 2 days ago

$217

Roundtrip

found 2 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 2 days ago

Sat, Aug 2 - Wed, Aug 6

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$221 Roundtrip, found 23 hours ago

$221

Roundtrip

found 23 hours 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 23 hours ago

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$263 Roundtrip, found 2 days ago

$263

Roundtrip

found 2 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 2 days ago

Wed, Jul 30 - Wed, Aug 6

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$264 Roundtrip, found 23 hours ago

$264

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from O'Hare Intl. to Washington Dulles Intl., returning Wed, Aug 6, priced at $264 found 23 hours ago

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$268 Roundtrip, found 2 days ago

$268

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Jul 29 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, Aug 5, priced at $268 found 2 days ago

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$273 Roundtrip, found 2 days ago

$273

Roundtrip

found 2 days ago

Select United flight, departing Tue, Jul 29 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, Aug 5, priced at $273 found 2 days ago

Wed, Jul 30 - Sun, Aug 3

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$274 Roundtrip, found 23 hours ago

$274

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from O'Hare Intl. to Washington Dulles Intl., returning Sun, Aug 3, priced at $274 found 23 hours ago

Tue, Jul 29 - Tue, Aug 5

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$278 Roundtrip, found 2 days ago

$278

Roundtrip

found 2 days ago

Select American Airlines flight, departing Tue, Jul 29 from O'Hare Intl. to Ronald Reagan Washington National, returning Tue, Aug 5, priced at $278 found 2 days ago

Sat, Aug 2 - Sun, Aug 3

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$284 Roundtrip, found 23 hours ago

$284

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Sat, Aug 2 from O'Hare Intl. to Washington Dulles Intl., returning Sun, Aug 3, priced at $284 found 23 hours ago

Tue, Aug 5 - Sat, Aug 9

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$290 Roundtrip, found 23 hours ago

$290

Roundtrip

found 23 hours ago

Select Delta flight, departing Tue, Aug 5 from O'Hare Intl. to Washington Dulles Intl., returning Sat, Aug 9, priced at $290 found 23 hours ago

Sat, Aug 2 - Wed, Aug 6

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$300 Roundtrip, found 23 hours ago

$300

Roundtrip

found 23 hours ago

Select United flight, departing Sat, Aug 2 from O'Hare Intl. to Washington Dulles Intl., returning Wed, Aug 6, priced at $300 found 23 hours ago

Wed, Jul 30 - Sat, Aug 9

ORD

O'Hare Intl.

IAD

Washington Dulles Intl.

$302 Roundtrip, found 23 hours ago

$302

Roundtrip

found 23 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from O'Hare Intl. to Washington Dulles Intl., returning Sat, Aug 9, priced at $302 found 23 hours ago

Wed, Jul 30 - Sun, Aug 3

ORD

O'Hare Intl.

DCA

Ronald Reagan Washington National

$380 Roundtrip, found 2 days ago

$380

Roundtrip

found 2 days ago

Select JetBlue Airways flight, departing Wed, Jul 30 from O'Hare Intl. to Ronald Reagan Washington National, returning Sun, Aug 3, priced at $380 found 2 days ago