How does KAYAK find such low prices on flights from Illinois to Washington, D.C.?

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 Illinois to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Illinois 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 Illinois to Washington, D.C.?

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 Washington, D.C. with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Washington, D.C.?

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 Washington, D.C. from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$88 CHEAP FLIGHTS from Illinois to Washington, D.C.

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Flight Deals

Cheap Flights from Illinois to Washington, D.C.

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 Illinois to Washington, D.C.

Tue, Nov 17 - Sat, Nov 21

9:51 am - 6:12 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

7h 21m1 stop Orlando

2:29 pm - 3:57 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

$173Frontier

Tue, Nov 17 - Sat, Nov 21

9:51 am - 2:08 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

27h 17m1 stop Orlando

2:29 pm - 3:57 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

$173Frontier

Tue, Dec 1 - Thu, Dec 3

6:00 am - 9:00 amMDW Chicago Midway-BWI Baltimore/Washington

2h 00mnonstop

4:55 pm - 7:45 pmBWI Baltimore/Washington-MDW Chicago Midway

3h 50m1 stop Buffalo

$178Southwest

Fri, Feb 5 - Sat, Feb 6

12:55 pm - 5:55 pmMDW Chicago Midway-BWI Baltimore/Washington

4h 00m1 stop Albany Intl

6:05 pm - 7:10 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 05mnonstop

$178Southwest

Sat, Dec 5 - Sun, Dec 6

2:50 pm - 5:58 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 08mnonstop

7:05 am - 8:50 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 45mnonstop

$182American Airlines

Wed, Nov 18 - Sun, Nov 22

11:00 am - 2:06 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 06mnonstop

12:34 pm - 1:54 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$182United Airlines

Fri, Nov 13 - Sun, Nov 15

9:00 pm - 11:55 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

1h 55mnonstop

7:18 am - 8:50 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 32mnonstop

$183American Airlines

Fri, Nov 13 - Sun, Nov 15

4:05 pm - 7:09 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

6:10 am - 7:31 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$183United Airlines

Wed, Nov 18 - Sat, Dec 5

7:05 am - 11:33 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

3h 28m1 stop Detroit Metropolitan Wayne County

11:03 am - 5:06 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

7h 03m1 stop Atlanta Hartsfield-Jackson

$191Delta

Wed, Nov 18 - Wed, Dec 9

8:04 am - 3:44 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

6h 40m1 stop Atlanta Hartsfield-Jackson

2:00 pm - 7:09 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

6h 09m1 stop Atlanta Hartsfield-Jackson

$191Delta

Recent last minute flight deals from Illinois to Washington, D.C.

Sat, Oct 31 - Fri, Nov 13

9:51 am - 8:57 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

10h 06m1 stop Orlando

9:53 am - 11:23 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 30mnonstop

$193Frontier

Sat, Oct 31 - Thu, Nov 12

7:15 am - 4:14 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

7h 59m1 stop Atlanta Hartsfield-Jackson

9:53 am - 11:23 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 30mnonstop

$193Frontier

Fri, Oct 30 - Mon, Nov 2

8:00 am - 8:11 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

11h 11m1 stop Fort Lauderdale

6:36 pm - 5:07 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

23h 31m2 stops Blountville Tri Cities TN/VA Orlando

$301Multiple Airlines

Fri, Oct 30 - Wed, Nov 11

6:00 am - 8:57 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

1h 57mnonstop

3:40 pm - 1:42 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

23h 02m1 stop Fort Lauderdale

$331Multiple Airlines

Tue, Nov 3 - Mon, Nov 9

7:00 am - 11:52 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

3h 52m1 stop Detroit Metropolitan Wayne County

7:53 pm - 11:54 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

5h 01m1 stop Atlanta Hartsfield-Jackson

$341Delta

Mon, Nov 2 - Thu, Dec 3

8:57 pm - 11:55 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 58mnonstop

10:25 pm - 11:51 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 26mnonstop

$370American Airlines

Mon, Nov 2 - Thu, Dec 3

6:49 pm - 11:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

4h 10m1 stop Charlotte Douglas

10:20 am - 11:34 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 14mnonstop

$380American Airlines

Tue, Nov 3 - Mon, Nov 9

10:35 am - 5:10 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

5h 35m1 stop Atlanta Hartsfield-Jackson

5:16 pm - 8:17 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

4h 01m1 stop Detroit Metropolitan Wayne County

$400Delta

Fri, Oct 30 - Mon, Nov 9

1:30 pm - 4:33 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 03mnonstop

5:29 pm - 6:51 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 22mnonstop

$427United Airlines

Tue, Nov 3 - Tue, Nov 3

7:45 am - 10:49 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

12:34 pm - 1:54 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$442United Airlines

Recent direct flight deals from Illinois to Washington, D.C.

Sat, Nov 21 - Thu, Nov 26

2:52 pm - 6:02 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 10mnonstop

2:29 pm - 3:57 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

$177Frontier

Thu, Dec 24 - Sat, Dec 26

1:10 pm - 4:13 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 03mnonstop

2:26 pm - 3:50 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 24mnonstop

$178Frontier

Tue, Dec 22 - Mon, Jan 4

1:10 pm - 4:13 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 03mnonstop

2:26 pm - 3:50 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 24mnonstop

$178Frontier

Sat, Dec 5 - Sun, Dec 6

2:50 pm - 5:58 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 08mnonstop

7:05 am - 8:50 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 45mnonstop

$182American Airlines

Wed, Nov 18 - Sun, Nov 22

11:00 am - 2:06 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 06mnonstop

12:34 pm - 1:54 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$182United Airlines

Sat, Dec 5 - Sun, Dec 6

1:25 pm - 4:10 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 45mnonstop

2:55 pm - 4:00 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 05mnonstop

$182Southwest

Fri, Nov 13 - Sun, Nov 15

9:00 pm - 11:55 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

1h 55mnonstop

7:18 am - 8:50 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 32mnonstop

$183American Airlines

Fri, Nov 13 - Sun, Nov 15

4:05 pm - 7:09 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

6:10 am - 7:31 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$183United Airlines

Thu, Nov 12 - Sun, Nov 15

8:25 pm - 11:20 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

7:35 am - 8:40 amBWI Baltimore/Washington-MDW Chicago Midway

2h 05mnonstop

$183Southwest

Tue, Dec 15 - Sun, Jan 17

9:00 pm - 11:57 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

1h 57mnonstop

7:23 am - 9:00 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 37mnonstop

$183American Airlines

Useful Info

Low season	February
High season	November
Cheapest flight	$88

Best time to beat the crowds with an average 22% drop in price.

Most popular time to fly with an average 6% increase in price.

Flight from Chicago Midway Airport to Baltimore

IndivarFlew with American Airlines-Aug 2026

For a work trips, consider booking an Airline with multiple daily flights in case you might want standby for an earlier return flight.

UzomaFlew with American Airlines-Jan 2024

ORD and DCA are nice airports with plenty of space. ORD is always busy so allow ample time to drive there, drop your bag, and go through security if you don't have TSA pre check.

How does KAYAK find such low prices on flights from Illinois to Washington, D.C.?
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 Illinois to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Illinois 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 Illinois to Washington, D.C.?
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 Washington, D.C. with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Washington, D.C.?
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 Washington, D.C. from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Owings Mills

Oxon Hill

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Lutherville Timonium

Colonial Beach

Clinton

Westminster

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$88 Find Cheap Flights from Illinois to Washington, D.C. - Compare and Save

Cheap Flights from Illinois to Washington, D.C.

Recent round-trip flight deals from Illinois to Washington, D.C.

Recent one-way flight deals from Illinois to Washington, D.C.

Recent last minute flight deals from Illinois to Washington, D.C.

Recent direct flight deals from Illinois to Washington, D.C.

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Flights from Illinois to Washington, D.C.: the best tips from KAYAK users

FAQs for booking flights from Illinois to Washington, D.C.

Traveling to a place near Washington, D.C.?

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Complete your trip to Washington, D.C. with a hotel stay or car rental

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Choose which airport to fly into in Washington, D.C.

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