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.

$89 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

Wed, Sep 16 - Sat, Sep 19

3:15 pm - 4:29 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 14mnonstop

7:32 pm - 6:20 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

9h 48m1 stop Las Vegas Harry Reid Intl

$178Frontier

Thu, Sep 24 - Mon, Sep 28

6:30 am - 7:58 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 28mnonstop

6:55 pm - 10:00 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 05mnonstop

$178American Airlines

Thu, Sep 17 - Mon, Sep 21

3:58 pm - 5:28 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 30mnonstop

8:55 pm - 11:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

$178American Airlines

Wed, Nov 11 - Thu, Nov 12

2:54 pm - 4:18 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 24mnonstop

2:55 pm - 6:04 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

$178American Airlines

Mon, Sep 28 - Wed, Sep 30

7:00 am - 12:23 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

18h 23m1 stop Denver Intl

6:30 am - 9:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

14h 29m1 stop Denver Intl

$182Frontier

Mon, Oct 19 - Thu, Oct 22

7:00 am - 12:24 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

18h 24m1 stop Denver Intl

6:30 am - 9:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

14h 29m1 stop Denver Intl

$182Frontier

Sat, Jan 23 - Wed, Jan 27

6:10 am - 8:58 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

3h 48m1 stop Detroit Metropolitan Wayne County

5:55 pm - 12:20 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

5h 25m1 stop Atlanta Hartsfield-Jackson

$197Delta

Sat, Oct 24 - Mon, Oct 26

12:20 pm - 4:26 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

5h 06m1 stop Detroit Metropolitan Wayne County

6:10 am - 11:50 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

4h 40m1 stop New York John F Kennedy Intl

$197Delta

Mon, Sep 28 - Mon, Sep 28

8:20 am - 9:38 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 18mnonstop

9:52 pm - 12:58 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

$199United Airlines

Thu, Oct 8 - Mon, Oct 12

1:10 pm - 2:26 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 16mnonstop

9:52 pm - 12:58 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

$201United Airlines

Recent last minute flight deals from District of Columbia to Chicago

Fri, Aug 28 - Mon, Sep 28

10:45 am - 11:08 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

13h 23m1 stop Orlando

3:50 pm - 10:17 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

17h 27m1 stop Orlando

$249Frontier

Sat, Aug 29 - Sat, Sep 5

4:52 pm - 11:08 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

7h 16m1 stop Orlando

7:11 am - 5:14 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

9h 03m1 stop Atlanta Hartsfield-Jackson

$270Frontier

Sat, Aug 29 - Tue, Sep 8

4:52 pm - 11:08 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

7h 16m1 stop Orlando

7:05 am - 5:14 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

9h 09m1 stop Atlanta Hartsfield-Jackson

$270Frontier

Fri, Aug 28 - Mon, Sep 28

5:23 pm - 6:54 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 31mnonstop

5:00 pm - 8:06 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 06mnonstop

$325American Airlines

Fri, Aug 28 - Mon, Sep 28

8:32 am - 12:15 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

4h 43m1 stop Charlotte Douglas

10:35 am - 1:38 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 03mnonstop

$335American Airlines

Wed, Aug 26 - Fri, Jun 18

6:30 am - 7:44 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 14mnonstop

3:00 pm - 5:48 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 48mnonstop

$396United Airlines

Fri, Aug 28 - Mon, Sep 28

10:27 pm - 11:40 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 13mnonstop

6:06 pm - 9:11 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

$399United Airlines

Wed, Aug 26 - Mon, Jun 21

7:35 am - 9:00 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 25mnonstop

1:24 pm - 4:29 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 05mnonstop

$410American Airlines

Fri, Aug 28 - Fri, Sep 4

12:00 pm - 11:08 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

12h 08m2 stops Blountville Tri Cities TN/VA Orlando

1:59 pm - 10:52 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

7h 53m1 stop Atlanta Hartsfield-Jackson

$441Multiple Airlines

Fri, Aug 28 - Mon, Aug 31

12:00 pm - 11:08 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

12h 08m2 stops Blountville Tri Cities TN/VA Orlando

8:11 pm - 8:04 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

10h 53m1 stop Las Vegas Harry Reid Intl

$443Multiple Airlines

Recent direct flight deals from District of Columbia to Chicago

Thu, Sep 24 - Mon, Sep 28

6:30 am - 7:58 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 28mnonstop

6:55 pm - 10:00 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 05mnonstop

$178American Airlines

Thu, Sep 17 - Mon, Sep 21

3:58 pm - 5:28 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 30mnonstop

8:55 pm - 11:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

$178American Airlines

Wed, Nov 11 - Thu, Nov 12

2:54 pm - 4:18 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 24mnonstop

2:55 pm - 6:04 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

$178American Airlines

Sat, Sep 19 - Mon, Sep 21

6:30 am - 7:58 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 28mnonstop

8:55 pm - 11:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

$178American Airlines

Thu, Oct 8 - Thu, Oct 15

6:00 am - 7:27 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 27mnonstop

5:59 am - 9:14 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 15mnonstop

$178American Airlines

Sat, Oct 3 - Mon, Oct 5

10:17 am - 11:41 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 24mnonstop

9:30 am - 12:36 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 06mnonstop

$178American Airlines

Thu, Oct 15 - Sat, Oct 17

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

2h 30mnonstop

8:40 am - 11:47 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 07mnonstop

$178American Airlines

Thu, Sep 17 - Mon, Sep 21

6:30 am - 7:58 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 28mnonstop

7:47 am - 10:52 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 05mnonstop

$178American Airlines

Mon, Sep 28 - Mon, Sep 28

8:20 am - 9:38 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 18mnonstop

9:52 pm - 12:58 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

$199United Airlines

Thu, Oct 8 - Mon, Oct 12

1:10 pm - 2:26 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 16mnonstop

9:52 pm - 12:58 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

$201United Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$89

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly with an average 15% 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

Saint Joseph

Hammond

Elk Grove Village

Des Plaines

Hoffman Estates

South Holland

Portage

Oakbrook Terrace

Willowbrook

Lansing

Delavan

Alsip

Northbrook

Lisle

Valparaiso

Everything you need to know for your flight to Chicago

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Chicago O'Hare Airport (ORD)

ORD

$89 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

Traveling to a place near Chicago?

Everything you need to know for your flight to Chicago

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