What airlines fly to Chicago O'Hare Intl Airport?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Maryland according to our data. United Airlines is the first choice among our users, with 47% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Maryland to Chicago O'Hare Intl?

JetBlue, Delta, and United Airlines are the most popular carriers operating from Maryland to Chicago O'Hare Intl

How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 2h 02m to fly from Maryland to Chicago O'Hare Intl Airport if you fly out of Baltimore (the most popular airport in Maryland) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Salisbury and into Chicago O'Hare Intl Airport, then the flight time is around 6h 17m.

How many flights depart from Maryland to Chicago O'Hare Intl Airport on average per day?

The number of flights available between Maryland and Chicago O'Hare Intl Airport is 150 per day as of July 2026. The most frequent departure time is 10:00AM, with 62% of daily flights leaving at noon.

How many flights depart from Maryland to Chicago O'Hare Intl Airport on average per week?

The number of flights available between Maryland and Chicago O'Hare Intl Airport is 1,051 per week as of July 2026. The most frequent departure day is Wed, with 16% of weekly flights leaving on this day.

When did momondo last update prices for flights from Maryland to Chicago O'Hare Intl Airport?

Prices for flights from Maryland to Chicago O'Hare Intl Airport were last updated today.

How many operators does momondo search for flights from Maryland to Chicago O'Hare Intl Airport?

As of July 2026, there are 5 operators available to choose from for flights from Maryland to Chicago O'Hare Intl Airport.

How old do you have to be to fly from Maryland to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maryland to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$99 Cheap Flights from Maryland to Chicago O'Hare Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Maryland to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:47 pm - 6:24 pm

PHL

ORD

2h 37mnonstop

9:33 pm - 7:36 am

ORD

PHL

9h 03m

1 stop

$223Frontier

Thu, Oct 22 - Sun, Oct 25

6:11 pm - 7:53 pm

PHL

ORD

2h 42mnonstop

8:58 pm - 12:21 am

ORD

PHL

2h 23mnonstop

$224Frontier

Fri, Aug 7 - Mon, Aug 17

5:16 pm - 11:57 pm

PHL

ORD

7h 41m

1 stop

8:05 am - 2:47 pm

ORD

PHL

5h 42m

1 stop

$229Delta

Fri, Aug 7 - Mon, Aug 17

6:00 am - 7:29 am

PHL

ORD

2h 29mnonstop

1:55 pm - 8:01 pm

ORD

PHL

5h 06m

1 stop

$232Multiple Airlines

Fri, Aug 21 - Sat, Aug 29

12:30 pm - 4:17 pm

BWI

ORD

4h 47m

1 stop

6:40 am - 1:05 pm

ORD

BWI

5h 25m

1 stop

$236Delta

Thu, Aug 6 - Mon, Aug 10

8:10 pm - 9:37 pm

BWI

ORD

2h 27mnonstop

5:49 pm - 10:58 pm

ORD

BWI

4h 09m

1 stop

$238American Airlines

Sat, Aug 8 - Mon, Aug 10

11:00 am - 7:27 pm

DCA

ORD

9h 27m

1 stop

8:20 pm - 7:58 am

ORD

DCA

10h 38m

1 stop

$244JetBlue

Thu, Aug 20 - Mon, Aug 24

2:25 pm - 7:15 pm

DCA

ORD

5h 50m

1 stop

9:57 pm - 12:51 pm

ORD

DCA

13h 54m

1 stop

$245Multiple Airlines

Tue, Jul 28 - Sat, Aug 1

10:18 am - 11:38 am

DCA

ORD

2h 20mnonstop

10:53 am - 1:54 pm

ORD

DCA

2h 01mnonstop

$246American Airlines

Thu, Aug 20 - Mon, Aug 24

2:25 pm - 7:27 pm

DCA

ORD

6h 02m

1 stop

11:01 am - 7:05 pm

ORD

DCA

7h 04m

1 stop

$247JetBlue

Thu, Aug 20 - Mon, Aug 24

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United Airlines flights from Maryland to Chicago O'Hare Intl Airport

Our best United Airlines deals on Maryland to Chicago O'Hare Intl Airport flight tickets

United Airlines

Aug 17

IAD10:27 pmWashington, D.C. Dulles Intl

2h 13m

ORD11:40 pmChicago O'Hare Intl

Aug 20

ORD9:39 pmChicago O'Hare Intl

2h 05m

IAD12:44 amWashington, D.C. Dulles Intl

$245

United Airlines

Aug 18

BWI10:25 amBaltimore/Washington

2h 20m

ORD11:45 amChicago O'Hare Intl

Aug 25

ORD7:00 amChicago O'Hare Intl

2h 09m

BWI10:09 amBaltimore/Washington

$259

United Airlines

Aug 11

DCA8:10 pmWashington, D.C. Reagan-National

2h 20m

ORD9:30 pmChicago O'Hare Intl

Aug 13

ORD10:00 amChicago O'Hare Intl

2h 04m

DCA1:04 pmWashington, D.C. Reagan-National

$261

JetBlue flights from Maryland to Chicago O'Hare Intl Airport

Our best JetBlue deals on Maryland to Chicago O'Hare Intl Airport flight tickets

JetBlue

Jul 22

DCA11:00 amWashington, D.C. Reagan-National

9h 15m

1 stop

ORD7:15 pmChicago O'Hare Intl

Jul 31

ORD10:56 amChicago O'Hare Intl

6h 04m

1 stop

DCA6:00 pmWashington, D.C. Reagan-National

$248

JetBlue

Aug 20

DCA2:25 pmWashington, D.C. Reagan-National

6h 02m

1 stop

ORD7:27 pmChicago O'Hare Intl

Aug 24

ORD11:01 amChicago O'Hare Intl

7h 04m

1 stop

DCA7:05 pmWashington, D.C. Reagan-National

$249

JetBlue

Jul 15

DCA2:25 pmWashington, D.C. Reagan-National

5h 50m

1 stop

ORD7:15 pmChicago O'Hare Intl

Jul 28

ORD10:56 amChicago O'Hare Intl

6h 00m

1 stop

DCA5:56 pmWashington, D.C. Reagan-National

$252

momondo Fare Finder

Use the filters below to find and compare flights from Maryland to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 10/22

4:47 pm-6:24 pm

Nonstop2h 37m

Chicago O'Hare Intl

Sun 10/25

9:33 pm-7:36 am

1 stop9h 03m

$223

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 8/7

6:11 pm-7:53 pm

Nonstop2h 42m

Chicago O'Hare Intl

Mon 8/17

8:58 pm-12:21 am

Nonstop2h 23m

$224

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 8/7

5:16 pm-11:57 pm

1 stop7h 41m

Chicago O'Hare Intl

Mon 8/17

8:05 am-2:47 pm

1 stop5h 42m

$229

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 8/21

6:00 am-7:29 am

Nonstop2h 29m

Chicago O'Hare Intl

Sat 8/29

1:55 pm-8:01 pm

1 stop5h 06m

$232

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 8/6

12:30 pm-4:17 pm

1 stop4h 47m

Chicago O'Hare Intl

Mon 8/10

6:40 am-1:05 pm

1 stop5h 25m

$236

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 8/8

8:10 pm-9:37 pm

Nonstop2h 27m

Chicago O'Hare Intl

Mon 8/10

5:49 pm-10:58 pm

1 stop4h 09m

$238

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 8/20

11:00 am-7:27 pm

1 stop9h 27m

Chicago O'Hare Intl

Mon 8/24

8:20 pm-7:58 am

1 stop10h 38m

$244

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Tue 7/28

2:25 pm-7:15 pm

1 stop5h 50m

Chicago O'Hare Intl

Sat 8/1

9:57 pm-12:51 pm

1 stop13h 54m

$245

Quickest round-trip

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 8/20

10:18 am-11:38 am

Nonstop2h 20m

Chicago O'Hare Intl

Mon 8/24

10:53 am-1:54 pm

Nonstop2h 01m

$246

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Thu 8/20

2:25 pm-7:27 pm

1 stop6h 02m

Chicago O'Hare Intl

Mon 8/24

11:01 am-7:05 pm

1 stop7h 04m

$247

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Maryland to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Maryland averaging around $45.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Friday when prices can be found for as low as $410. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Maryland because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $560.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Maryland in the evening is the least expensive time of day to depart. momondo users have found prices as low as $419 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $468. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Maryland to Chicago O'Hare Intl flight route?

Fly from Baltimore/Washington to Chicago O'Hare Intl for the best Maryland - Chicago O'Hare Intl flight prices

How far in advance should I book a flight from Maryland to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $392 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Maryland for as low as $227 on momondo.

What cabin class options are available on Maryland to Chicago O'Hare Intl Airport flights?

There are 4 cabin classes available to choose from on Maryland to Chicago O'Hare Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Maryland to Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Maryland to Chicago O'Hare Intl Airport.

Cheap Maryland to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to Chicago O'Hare Intl Airport

Best Price Found	$222
Fastest flight time	2h 03m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from Maryland in the past 72 hours is $222. The best round-trip flight deal from Maryland to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $363.

The fastest flight from Maryland to Chicago O'Hare Intl Airport takes 2h 03m

Direct flights go from Maryland to Chicago O'Hare Intl Airport every day.

Search flight deals

Frequently asked questions about flying from Maryland to Chicago O'Hare Intl Airport

When did momondo last update prices for flights from Maryland to Chicago O'Hare Intl Airport?
Prices for flights from Maryland to Chicago O'Hare Intl Airport were last updated today.
How many operators does momondo search for flights from Maryland to Chicago O'Hare Intl Airport?
As of July 2026, there are 5 operators available to choose from for flights from Maryland to Chicago O'Hare Intl Airport.
How old do you have to be to fly from Maryland to Chicago O'Hare Intl Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Maryland to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Maryland to Chicago O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Maryland to Chicago O'Hare Intl Airport is Boeing 737 MAX 8 (14.23% of total bookings). The next most popular plane models are Boeing 737-800 (12.16%), Boeing 737-900 (11.20%), and Embraer 175 (9.91%).

Best airlines flying from Maryland to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Maryland to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $57	Free Cancellation	Rating 5.6 2,836 reviews	Search Frontier flights
Southwest	PriceFrom $117	Free Cancellation	Rating 7.9 4,250 reviews	Search Southwest flights
United Airlines	PriceFrom $158	Free Cancellation	Rating 7.4 9,948 reviews	Search United Airlines flights
American Airlines	PriceFrom $159	Free Cancellation	Rating 7.1 11,783 reviews	Search American Airlines flights

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Gurnee

Rosemont

Naperville

Orland Park

Oak Brook

New Buffalo

Joliet

Kenosha

Hammond

Aurora

Racine

Janesville

Elgin

Evanston

South Holland

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to Chicago?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Maryland to Chicago. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Maryland to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago from Maryland with this policy.

How can momondo help me find flights from Maryland to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from Maryland.

I’m not ready to book a flight from Maryland to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Maryland to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Cheap flights from Maryland to Chicago from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Maryland to Chicago departing on 9/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Maryland to Chicago O'Hare Intl Airport

Our best United Airlines deals on Maryland to Chicago O'Hare Intl Airport flight tickets

JetBlue flights from Maryland to Chicago O'Hare Intl Airport

Our best JetBlue deals on Maryland to Chicago O'Hare Intl Airport flight tickets

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Use the filters below to find and compare flights from Maryland to Chicago O'Hare Intl Airport that are best for you.

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How to get the cheapest flight ticket from Maryland to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest Maryland to Chicago O'Hare Intl flight route?

How far in advance should I book a flight from Maryland to Chicago O'Hare Intl Airport?

What cabin class options are available on Maryland to Chicago O'Hare Intl Airport flights?

Can stopping save me money on Maryland to Chicago O'Hare Intl Airport flights?

What is the cheapest airline that flies from Maryland to Chicago O'Hare Intl?

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from Maryland to Chicago O'Hare Intl Airport on average per day?

How many flights depart from Maryland to Chicago O'Hare Intl Airport on average per week?

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap Maryland to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to Chicago O'Hare Intl Airport

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Maryland to Chicago O'Hare Intl Airport

Best airlines flying from Maryland to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Maryland to Chicago O'Hare Intl Airport with momondo

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Why use momondo?

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List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

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