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.. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$31 CHEAP FLIGHTS from Illinois to Washington, D.C.

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Cheap Flight Deals from Illinois to Washington, D.C.

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Round-trip

One-way

Last minute

Direct

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

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Illinois to Washington, D.C..

Discover the best prices and deals for you by selecting your travel dates.

Choose your dates

10:26 am - 1:21 pmMDW-BWI

1h 55mnonstop

4:11 pm - 5:23 pmBWI-MDW

2h 12mnonstop

$48Frontier

Find Deal

Sat, Mar 1 - Mon, Mar 10

12:26 pm - 3:21 pmMDW-BWI

1h 55mnonstop

4:11 pm - 5:23 pmBWI-MDW

2h 12mnonstop

$58Frontier

Find Deal

Mon, Mar 3 - Mon, Mar 10

8:50 am - 5:27 pmORD-BWI

7h 37m1 stop

5:45 am - 1:39 pmBWI-ORD

8h 54m1 stop

$124

Find Deal

Mon, Mar 10 - Wed, Mar 12

6:55 pm - 9:45 pmMDW-BWI

1h 50mnonstop

6:10 am - 7:30 amBWI-MDW

2h 20mnonstop

$137Southwest

Find Deal

Tue, Feb 25 - Wed, Mar 5

7:00 am - 9:55 amORD-BWI

1h 55mnonstop

8:55 pm - 10:20 pmBWI-ORD

2h 25mnonstop

$137Southwest

Find Deal

Tue, Feb 25 - Wed, Mar 5

3:33 pm - 11:53 pmORD-BWI

7h 20m1 stop

12:17 pm - 12:42 amBWI-ORD

13h 25m1 stop

$138

Find Deal

Wed, Mar 26 - Mon, Apr 7

6:25 pm - 12:12 amORD-BWI

4h 47m1 stop

8:27 pm - 9:22 amBWI-ORD

13h 55m1 stop

$158Spirit Airlines

Find Deal

Thu, Mar 20 - Mon, Mar 24

6:00 am - 4:51 pmORD-BWI

9h 51m1 stop

5:47 pm - 10:28 pmBWI-ORD

5h 41m1 stop

$163Spirit Airlines

Find Deal

Tue, May 13 - Mon, May 19

8:15 am - 11:10 amORD-BWI

1h 55mnonstop

6:13 pm - 7:34 pmBWI-ORD

2h 21mnonstop

$177American Airlines

Find Deal

Thu, Feb 20 - Mon, Mar 3

6:04 am - 9:19 amSTL-DCA

2h 15mnonstop

9:14 pm - 10:44 pmDCA-STL

2h 30mnonstop

$179American Airlines

Find Deal

Tue, Feb 25 - Tue, Mar 4

Low season	February
High season	March
Cheapest flight	$31

Best time to beat the crowds with an average 10% drop in price.

Most popular time to fly and prices are also 0% lower on average.

Flight from Chicago Midway Airport to Baltimore

UzomaFlew with American AirlinesORD-DCAJan 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.

BartoszFlew with Scandinavian AirlinesORD-IADFeb 2024

United or American are the best airlines to fly to DC

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.