How does KAYAK find such low prices on flights from Maryland to Chicago?

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 Maryland to Chicago.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Maryland to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from Maryland 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 Maryland to Chicago?

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 with an airline and back to Maryland with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Maryland to Chicago?

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 from Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$93 CHEAP FLIGHTS from Maryland to Chicago

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Cheap Flights from Maryland 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 Maryland to Chicago

Thu, Dec 3 - Fri, Dec 4

1:54 pm - 9:40 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

8h 46m1 stop Atlanta Hartsfield-Jackson

10:38 am - 1:41 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 03mnonstop

$177Frontier

Fri, Oct 30 - Sat, Oct 31

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

2h 30mnonstop

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

7h 59m1 stop Atlanta Hartsfield-Jackson

$177Frontier

Tue, Oct 6 - Fri, Oct 9

9:09 am - 10:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

7:45 pm - 10:59 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 14mnonstop

$192United Airlines

Tue, Nov 17 - Tue, Nov 17

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

2h 21mnonstop

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

2h 06mnonstop

$202United Airlines

Thu, Oct 29 - Mon, Nov 2

5:40 am - 6:18 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

13h 38m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

10:26 am - 4:44 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

5h 18m1 stop Atlanta Hartsfield-Jackson

$261Multiple Airlines

Thu, Nov 5 - Thu, Nov 12

5:40 am - 6:05 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

13h 25m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

10:26 am - 4:44 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

5h 18m1 stop Atlanta Hartsfield-Jackson

$262Multiple Airlines

Thu, Oct 15 - Mon, Oct 19

7:17 am - 8:45 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

7:59 am - 11:01 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 02mnonstop

$296American Airlines

Thu, Oct 15 - Mon, Oct 19

7:17 am - 8:45 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

9:20 pm - 12:24 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

$296American Airlines

Thu, Oct 22 - Mon, Oct 26

6:15 am - 7:15 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

8:55 pm - 11:50 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

$297Southwest

Mon, Nov 2 - Wed, Nov 4

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

2h 05mnonstop

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

2h 00mnonstop

$297Southwest

Recent last minute flight deals from Maryland to Chicago

Mon, Sep 28 - Mon, Oct 19

10:20 am - 11:40 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

6:00 am - 9:03 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 03mnonstop

$256Frontier

Mon, Sep 28 - Mon, Oct 26

10:20 am - 11:40 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

6:00 am - 9:03 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 03mnonstop

$257Frontier

Mon, Sep 28 - Mon, Nov 2

10:20 am - 11:40 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

7:00 am - 11:30 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

15h 30m1 stop Fort Lauderdale

$377Multiple Airlines

Mon, Sep 28 - Mon, Nov 2

3:04 pm - 10:59 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

8h 55m1 stop Orlando

7:00 am - 11:30 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

15h 30m1 stop Fort Lauderdale

$388Multiple Airlines

Sun, Sep 27 - Sat, Oct 31

6:01 am - 7:30 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 29mnonstop

9:12 pm - 12:16 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

$395American Airlines

Mon, Sep 28 - Mon, Nov 2

6:00 am - 7:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 29mnonstop

8:05 am - 11:10 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 05mnonstop

$395American Airlines

Mon, Sep 28 - Wed, Oct 28

5:20 pm - 6:15 pmBWI Baltimore/Washington-MDW Chicago Midway

1h 55mnonstop

6:30 pm - 9:25 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

$395Southwest

Mon, Sep 28 - Mon, Oct 19

6:30 am - 7:30 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

6:25 pm - 9:15 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 50mnonstop

$395Southwest

Tue, Sep 29 - Sat, Oct 3

6:25 am - 7:46 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

7:45 pm - 10:59 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 14mnonstop

$427United Airlines

Wed, Sep 30 - Sun, Oct 11

12:10 pm - 1:30 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

7:30 am - 10:30 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 00mnonstop

$460United Airlines

Recent direct flight deals from Maryland to Chicago

Thu, Nov 5 - Mon, Nov 9

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

2h 30mnonstop

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

1h 57mnonstop

$185Frontier

Mon, Oct 26 - Thu, Oct 29

9:58 am - 11:21 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 23mnonstop

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

1h 57mnonstop

$185Frontier

Thu, Oct 22 - Mon, Oct 26

9:58 am - 11:21 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 23mnonstop

6:00 am - 9:03 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 03mnonstop

$185Frontier

Tue, Oct 6 - Fri, Oct 9

9:09 am - 10:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

7:45 pm - 10:59 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 14mnonstop

$192United Airlines

Tue, Nov 17 - Tue, Nov 17

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

2h 21mnonstop

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

2h 06mnonstop

$202United Airlines

Sat, Oct 10 - Sat, Oct 10

8:40 am - 10:00 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

7:45 pm - 10:59 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 14mnonstop

$231United Airlines

Thu, Oct 15 - Mon, Oct 19

7:17 am - 8:45 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

7:59 am - 11:01 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 02mnonstop

$296American Airlines

Thu, Oct 15 - Mon, Oct 19

7:17 am - 8:45 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

9:20 pm - 12:24 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

$296American Airlines

Mon, Nov 2 - Wed, Nov 4

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

2h 05mnonstop

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

2h 00mnonstop

$297Southwest

Thu, Oct 22 - Mon, Oct 26

6:15 am - 7:15 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

8:55 pm - 11:50 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

$297Southwest

Useful Info

Low season	February
High season	July
Cheapest flight	$93

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

Most popular time to fly with an average 18% increase in price.

Flight from Baltimore to Chicago O'Hare Airport

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

Merrillville

Hammond

Saint Joseph

Portage

Lansing

Valparaiso

Schererville

Chesterton

Munster

Porter

Monticello

Saint John

Griffith

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$93 Find Cheap Flights from Maryland to Chicago - Compare and Save

Cheap Flights from Maryland to Chicago

Recent round-trip flight deals from Maryland to Chicago

Recent one-way flight deals from Maryland to Chicago

Recent last minute flight deals from Maryland to Chicago

Recent direct flight deals from Maryland to Chicago

Good to know

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High season

Cheapest flight

FAQs for booking flights from Maryland to Chicago

Traveling to a place near Chicago?

More options for your flight to Chicago

Complete your trip to Chicago with a hotel stay or car rental

Cabin class types available on flights to Maryland

Find direct flights for Chicago

Flights from domestic origins to Chicago

Choose which airport to fly into in Chicago

Flights to other popular destinations

Find deals for your return flight