How does KAYAK find such low prices on flights from District of Columbia to Chicago O'Hare Airport?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Chicago O'Hare Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Chicago O'Hare Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from District of Columbia to Chicago O'Hare Airport?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to District of Columbia with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Chicago O'Hare Airport?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$114 CHEAP FLIGHTS from District of Columbia to Chicago O'Hare (ORD)

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Cheap Flights from District of Columbia to Chicago

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from District of Columbia to Chicago

Fri, Dec 11 - Sun, Dec 13

10:35 pm - 4:33 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

18h 58m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

9:34 pm - 2:49 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

16h 15m2 stops Philadelphia Atlanta Hartsfield-Jackson

$213Frontier

Mon, Nov 9 - Wed, Nov 11

9:06 pm - 3:31 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

19h 25m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

8:59 am - 11:43 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

13h 44m2 stops Dallas/Fort Worth Atlanta Hartsfield-Jackson

$213Frontier

Sun, Jan 17 - Sun, Jan 31

10:05 am - 4:37 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

7h 32m1 stop Atlanta Hartsfield-Jackson

5:30 am - 11:59 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

5h 29m1 stop Atlanta Hartsfield-Jackson

$213Delta

Sun, Nov 15 - Sun, Nov 22

6:00 am - 10:39 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 39m1 stop Detroit Metropolitan Wayne County

5:30 am - 11:37 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

5h 07m1 stop Atlanta Hartsfield-Jackson

$213Delta

Mon, Nov 23 - Fri, Nov 27

1:44 pm - 5:29 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

4h 45m1 stop Philadelphia

6:56 am - 10:00 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

$213American Airlines

Sat, Nov 21 - Tue, Dec 1

6:00 am - 7:32 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 32mnonstop

3:22 pm - 8:44 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

4h 22m1 stop Philadelphia

$213American Airlines

Sun, Jan 24 - Wed, Jan 27

10:57 pm - 11:23 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

25h 26m1 stop Atlanta Hartsfield-Jackson

6:00 am - 12:19 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

17h 19m1 stop Atlanta Hartsfield-Jackson

$213Frontier

Thu, Jan 21 - Mon, Jan 25

10:05 am - 2:15 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

5h 10m1 stop Newark

12:29 pm - 3:32 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 03mnonstop

$218United Airlines

Fri, Dec 11 - Mon, Dec 14

7:00 am - 12:54 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

18h 54m1 stop Denver Intl

7:00 am - 10:27 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

26h 27m1 stop Fort Lauderdale

$218Multiple Airlines

Tue, Dec 1 - Thu, Dec 3

10:10 am - 11:31 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 21mnonstop

8:45 am - 11:46 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 01mnonstop

$219United Airlines

Recent last minute flight deals from District of Columbia to Chicago

Sat, Oct 31 - Mon, Nov 9

7:52 am - 12:51 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 59m1 stop Atlanta Hartsfield-Jackson

7:50 pm - 5:12 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

20h 22m1 stop Atlanta Hartsfield-Jackson

$221Frontier

Sat, Oct 31 - Mon, Nov 9

7:52 am - 12:51 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 59m1 stop Atlanta Hartsfield-Jackson

7:55 am - 8:11 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

11h 16m1 stop Fort Lauderdale

$228Frontier

Fri, Oct 30 - Mon, Nov 9

6:07 pm - 3:37 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

22h 30m1 stop Fort Lauderdale

7:50 pm - 11:36 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

14h 46m2 stops Atlanta Hartsfield-Jackson Dallas/Fort Worth

$228Frontier

Fri, Oct 30 - Tue, Nov 10

2:06 pm - 7:29 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

6h 23m1 stop Boston Logan Intl

1:00 pm - 8:09 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

6h 09m1 stop Boston Logan Intl

$343JetBlue

Tue, Oct 27 - Fri, Nov 27

8:41 am - 10:07 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 26mnonstop

4:56 pm - 7:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 03mnonstop

$379American Airlines

Fri, Oct 30 - Tue, Nov 3

6:00 pm - 12:21 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

7h 21m1 stop Denver Intl

7:00 am - 9:59 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

25h 59m1 stop Fort Lauderdale

$397Multiple Airlines

Thu, Oct 29 - Mon, Nov 9

1:00 pm - 12:21 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

12h 21m1 stop Denver Intl

7:00 am - 9:59 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

25h 59m1 stop Fort Lauderdale

$408Multiple Airlines

Mon, Oct 26 - Fri, Nov 20

8:23 am - 9:45 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 22mnonstop

2:21 pm - 5:24 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 03mnonstop

$456United Airlines

Wed, Oct 28 - Sat, Oct 31

3:47 pm - 5:17 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 30mnonstop

6:59 am - 10:06 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 07mnonstop

$463American Airlines

Fri, Oct 30 - Sat, Oct 31

10:12 pm - 2:55 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

17h 43m1 stop Knoxville McGhee Tyson

6:12 pm - 9:15 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 03mnonstop

$464United Airlines

Recent direct flight deals from District of Columbia to Chicago

Tue, Dec 1 - Thu, Dec 3

10:10 am - 11:31 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 21mnonstop

8:45 am - 11:46 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 01mnonstop

$219United Airlines

Thu, Dec 24 - Tue, Dec 29

6:10 am - 7:32 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 22mnonstop

7:04 am - 10:02 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$219United Airlines

Tue, Dec 22 - Tue, Dec 29

6:10 am - 7:32 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 22mnonstop

7:04 am - 10:02 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$219United Airlines

Tue, Nov 17 - Wed, Nov 18

3:37 pm - 5:00 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 23mnonstop

8:50 am - 11:52 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 02mnonstop

$219United Airlines

Mon, Nov 9 - Tue, Nov 10

10:47 pm - 12:02 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 15mnonstop

8:50 am - 11:52 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 02mnonstop

$219United Airlines

Mon, Nov 9 - Tue, Nov 10

7:40 am - 9:00 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 20mnonstop

7:00 am - 9:56 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 56mnonstop

$219United Airlines

Thu, Dec 10 - Tue, Dec 29

8:15 am - 9:37 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 22mnonstop

7:04 am - 10:02 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

1h 58mnonstop

$220United Airlines

Mon, Feb 22 - Fri, Feb 26

6:05 pm - 7:29 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 24mnonstop

7:00 am - 9:58 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 58mnonstop

$221United Airlines

Sat, Nov 14 - Sat, Nov 14

8:39 am - 10:05 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 26mnonstop

5:49 pm - 8:52 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 03mnonstop

$223American Airlines

Tue, Nov 17 - Tue, Nov 17

12:53 pm - 2:15 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 22mnonstop

7:31 pm - 10:29 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 58mnonstop

$223American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$114

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly with an average 10% increase in price.

Flight from Reagan Washington National Airport to Chicago O'Hare Airport

How does KAYAK find such low prices on flights from District of Columbia to Chicago O'Hare Airport?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from District of Columbia to Chicago O'Hare Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to Chicago O'Hare Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from District of Columbia is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from District of Columbia to Chicago O'Hare Airport?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to District of Columbia with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to Chicago O'Hare Airport?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Gurnee

Merrillville

South Haven

Oak Brook

Tinley Park

Hammond

Saint Joseph

Des Plaines

Elk Grove Village

Hoffman Estates

Oakbrook Terrace

Portage

South Holland

Willowbrook

Lansing

Lisle

Alsip

Valparaiso

Northbrook

Delavan

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ORD

$114 Find Cheap Flights from District of Columbia to Chicago O'Hare Airport - Compare and Save

Cheap Flights from District of Columbia to Chicago

Recent round-trip flight deals from District of Columbia to Chicago

Recent one-way flight deals from District of Columbia to Chicago

Recent last minute flight deals from District of Columbia to Chicago

Recent direct flight deals from District of Columbia to Chicago

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FAQs for booking District of Columbia to Chicago O'Hare Airport flights

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