How does KAYAK find such low prices on flights from Maryland 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 Maryland 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 Maryland 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 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 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 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 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 Maryland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$89 CHEAP FLIGHTS from Maryland to Chicago O'Hare (ORD)

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Flight Deals

Cheap Flights from Maryland to O'Hare Intl

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 O'Hare Intl

Mon, Sep 21 - Thu, Sep 24

11:54 am - 1:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

$166Frontier

Thu, Oct 22 - Sun, Oct 25

9:09 pm - 10:39 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 30mnonstop

4:41 pm - 8:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 23mnonstop

$167Frontier

Sat, Sep 26 - Sat, Oct 3

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

2h 30mnonstop

6:55 am - 9:59 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

$177American Airlines

Thu, Sep 17 - Sat, Sep 19

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

$177American Airlines

Thu, Oct 1 - Thu, Oct 1

8:30 am - 9:45 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 15mnonstop

4:00 pm - 7:09 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

$177United Airlines

Wed, Sep 23 - Thu, Sep 24

11:57 am - 1:13 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 16mnonstop

5:59 am - 8:54 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

1h 55mnonstop

$177United Airlines

Mon, Oct 12 - Mon, Oct 19

9:59 pm - 3:30 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

42h 31m2 stops Tampa Fort Lauderdale

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

2h 03mnonstop

$193Multiple Airlines

Tue, Sep 22 - Wed, Sep 23

11:10 am - 4:59 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

6h 49m1 stop New York John F Kennedy Intl

5:10 pm - 11:02 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

4h 52m1 stop Detroit Metropolitan Wayne County

$194Delta

Wed, Sep 16 - Mon, Sep 21

11:10 am - 4:59 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

6h 49m1 stop New York John F Kennedy Intl

2:29 pm - 10:47 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

7h 18m1 stop New York LaGuardia

$197Delta

Mon, Oct 5 - Wed, Oct 7

11:54 am - 1:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

7:11 am - 11:18 pmORD Chicago O'Hare Intl-PHL Philadelphia

15h 07m3 stops Fort Lauderdale Tampa Atlanta Hartsfield-Jackson

$206Multiple Airlines

Recent last minute flight deals from Maryland to O'Hare Intl

Sat, Sep 5 - Thu, Sep 10

2:45 pm - 8:08 pmPHL Philadelphia-ORD Chicago O'Hare Intl

6h 23m1 stop Atlanta Hartsfield-Jackson

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

$182Frontier

Sat, Sep 5 - Thu, Sep 10

2:45 pm - 8:08 pmPHL Philadelphia-ORD Chicago O'Hare Intl

6h 23m1 stop Atlanta Hartsfield-Jackson

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

$184Frontier

Sat, Sep 5 - Sun, Sep 6

8:10 pm - 9:37 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 27mnonstop

9:16 am - 12:23 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 07mnonstop

$311American Airlines

Sat, Sep 5 - Sun, Sep 6

8:10 pm - 9:37 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 27mnonstop

3:04 pm - 6:09 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 05mnonstop

$311American Airlines

Sat, Sep 5 - Wed, Sep 9

6:05 am - 7:25 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

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

2h 00mnonstop

$311United Airlines

Sat, Sep 5 - Sun, Sep 6

10:25 am - 11:45 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

6:15 pm - 9:29 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 14mnonstop

$311United Airlines

Sat, Sep 5 - Mon, Oct 5

11:29 am - 4:51 pmPHL Philadelphia-ORD Chicago O'Hare Intl

6h 22m1 stop Atlanta Hartsfield-Jackson

5:30 am - 1:15 pmORD Chicago O'Hare Intl-PHL Philadelphia

6h 45m1 stop Atlanta Hartsfield-Jackson

$327Delta

Sat, Sep 5 - Wed, Sep 9

7:30 am - 12:40 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

6h 10m1 stop Atlanta Hartsfield-Jackson

1:51 pm - 7:43 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

4h 52m1 stop Atlanta Hartsfield-Jackson

$331Delta

Sat, Sep 5 - Thu, Sep 10

2:45 pm - 8:08 pmPHL Philadelphia-ORD Chicago O'Hare Intl

6h 23m1 stop Atlanta Hartsfield-Jackson

11:30 am - 10:42 pmORD Chicago O'Hare Intl-PHL Philadelphia

10h 12m2 stops Owensboro Daviess County Charlotte Douglas

$395Multiple Airlines

Sat, Sep 5 - Thu, Sep 10

2:45 pm - 8:08 pmPHL Philadelphia-ORD Chicago O'Hare Intl

6h 23m1 stop Atlanta Hartsfield-Jackson

11:30 am - 10:42 pmORD Chicago O'Hare Intl-PHL Philadelphia

10h 12m2 stops Owensboro Daviess County Charlotte Douglas

$404Multiple Airlines

Recent direct flight deals from Maryland to O'Hare Intl

Mon, Sep 21 - Thu, Sep 24

11:54 am - 1:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

$166Frontier

Thu, Oct 22 - Sun, Oct 25

9:09 pm - 10:39 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 30mnonstop

4:41 pm - 8:04 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 23mnonstop

$167Frontier

Thu, Nov 12 - Sun, Nov 15

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

$167Frontier

Thu, Nov 5 - Sun, Nov 8

9:09 pm - 10:43 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 34mnonstop

4:42 pm - 7:58 pmORD Chicago O'Hare Intl-PHL Philadelphia

2h 16mnonstop

$168Frontier

Thu, Nov 5 - Mon, Nov 9

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

2h 22mnonstop

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

2h 02mnonstop

$177United Airlines

Thu, Oct 22 - Sat, Oct 24

10:30 am - 11:48 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 18mnonstop

12:55 pm - 4:01 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

$177United Airlines

Sat, Sep 26 - Sat, Oct 3

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

2h 30mnonstop

6:55 am - 9:59 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 04mnonstop

$177American Airlines

Thu, Oct 15 - Mon, Oct 19

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

2h 27mnonstop

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

2h 07mnonstop

$177American Airlines

Thu, Sep 24 - Mon, Sep 28

6:10 am - 7:25 amIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 15mnonstop

8:50 am - 11:55 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

$177United Airlines

Thu, Sep 17 - Sat, Sep 19

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

$177American Airlines

Useful Info

Low season	January
High season	July
Cheapest flight	$89

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

Most popular time to fly with an average 14% increase in price.

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

How does KAYAK find such low prices on flights from Maryland 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 Maryland 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 Maryland 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 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 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 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 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 Maryland 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 O'Hare Intl

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Chicago O'Hare Airport (ORD)

ORD

$89 Find Cheap Flights from Maryland to Chicago O'Hare Airport - Compare and Save

Cheap Flights from Maryland to O'Hare Intl

Recent round-trip flight deals from Maryland to O'Hare Intl

Recent one-way flight deals from Maryland to O'Hare Intl

Recent last minute flight deals from Maryland to O'Hare Intl

Recent direct flight deals from Maryland to O'Hare Intl

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FAQs for booking Maryland to Chicago O'Hare Airport flights

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Everything you need to know for your flight to O'Hare Intl

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Complete your trip to O'Hare Intl with a hotel stay or car rental

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