What is the cheapest airline that flies from Maryland to Illinois?

Frontier, American Airlines, and United Airlines are the most popular carriers operating from Maryland to Illinois

How long is the flight from Maryland to Illinois?

The flight from Maryland to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Baltimore (a popular airport in Maryland) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 2h 14m on average. If you fly from Salisbury (another popular airport in Maryland) to Chicago O'Hare Intl Airport, then the average flight time is 5h 47m.

How many flights depart from Maryland to Illinois on average per day?

As of May 2026, 144 flights take off from Maryland and land in Illinois each day. The most common flight departure time for this route is 11:00AM, with 59% of daily flights taking off at noon.

How many flights depart from Maryland to Illinois on average per week?

1,010 flights are operational weekly from Maryland to Illinois as of May 2026. The most popular departure day for this route is Fri, with 20% of flights per week taking off on this day.

What airlines fly to Illinois?

United Airlines, Frontier and American Airlines are the top three most popular airlines that fly to Illinois from Maryland according to our data. United Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Maryland to Illinois?

Prices for flights from Maryland to Illinois refresh daily.

How many operators does momondo search for flights from Maryland to Illinois?

The number of operators available for flights from Maryland to Illinois is 6 as of May 2026.

How old do you have to be to fly from Maryland to Illinois?

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 Illinois.

What documentation or ID do you need to fly to Illinois?

The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$60 Cheap Flights from Maryland to Illinois in 2026

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Find the cheapest flights from Maryland to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:06 pm - 6:47 pm

PHL

ORD

2h 41mnonstop

8:05 pm - 11:31 pm

ORD

PHL

2h 26mnonstop

$188Frontier

Fri, Jul 3 - Mon, Jul 6

5:06 pm - 6:47 pm

PHL

ORD

2h 41mnonstop

8:00 pm - 11:32 pm

ORD

PHL

2h 32mnonstop

$189Frontier

Thu, Jun 25 - Sat, Jun 27

1:30 pm - 7:29 pm

PHL

ORD

6h 59m

1 stop

7:20 am - 6:27 am

ORD

PHL

22h 07m

1 stop

$190Frontier

Tue, Jun 2 - Wed, Jun 10

8:30 pm - 9:35 pm

BWI

MDW

2h 05mnonstop

7:50 am - 12:00 pm

MDW

BWI

3h 10m

1 stop

$226Southwest

Tue, Jun 16 - Wed, Jul 1

7:29 am - 11:00 am

DCA

ORD

4h 31m

1 stop

7:03 am - 10:00 am

ORD

DCA

1h 57mnonstop

$232American Airlines

Mon, Aug 31 - Wed, Sep 9

6:15 pm - 7:20 pm

BWI

MDW

2h 05mnonstop

7:35 pm - 10:25 pm

MDW

BWI

1h 50mnonstop

$233Southwest

Sat, Jun 6 - Wed, Jun 10

7:29 am - 11:00 am

DCA

ORD

4h 31m

1 stop

9:42 am - 12:44 pm

ORD

DCA

2h 02mnonstop

$233American Airlines

Wed, Jul 1 - Tue, Jul 7

1:30 pm - 6:03 pm

DCA

ORD

5h 33m

1 stop

6:40 am - 12:42 pm

ORD

DCA

5h 02m

1 stop

$238Delta

Wed, Aug 26 - Sat, Aug 29

6:00 am - 8:43 am

IAD

MDW

3h 43m

1 stop

6:00 am - 11:39 am

MDW

IAD

4h 39m

1 stop

$238Delta

Sat, Jun 6 - Wed, Jun 10

1:00 pm - 2:18 pm

DCA

ORD

2h 18mnonstop

7:00 am - 9:59 am

ORD

DCA

1h 59mnonstop

$247United Airlines

Mon, Jun 22 - Wed, Jun 24

Frontier flights from Maryland to Illinois

Our best Frontier deals on Maryland to Illinois flight tickets

Frontier

Jun 25

PHL5:06 pmPhiladelphia

2h 41m

ORD6:47 pmChicago O'Hare Intl

Jun 27

ORD8:00 pmChicago O'Hare Intl

2h 32m

PHL11:32 pmPhiladelphia

$189

Frontier

Jun 2

PHL1:30 pmPhiladelphia

6h 59m

1 stop

ORD7:29 pmChicago O'Hare Intl

Jun 10

ORD7:20 amChicago O'Hare Intl

22h 07m

1 stop

PHL6:27 amPhiladelphia

$190

Frontier

Jun 8

PHL5:05 pmPhiladelphia

2h 38m

ORD6:43 pmChicago O'Hare Intl

Jun 10

ORD7:20 amChicago O'Hare Intl

22h 07m

1 stop

PHL6:27 amPhiladelphia

$191

United Airlines flights from Maryland to Illinois

Our best United Airlines deals on Maryland to Illinois flight tickets

United Airlines

Jun 3

BWI7:05 pmBaltimore/Washington

2h 23m

ORD8:28 pmChicago O'Hare Intl

Jun 4

ORD6:20 amChicago O'Hare Intl

1h 57m

BWI9:17 amBaltimore/Washington

$233

United Airlines

May 28

IAD6:10 amWashington, D.C. Dulles Intl

2h 17m

ORD7:27 amChicago O'Hare Intl

Jun 3

ORD1:30 pmChicago O'Hare Intl

2h 00m

IAD4:30 pmWashington, D.C. Dulles Intl

$243

United Airlines

Jun 22

DCA1:00 pmWashington, D.C. Reagan-National

2h 18m

ORD2:18 pmChicago O'Hare Intl

Jun 24

ORD7:00 amChicago O'Hare Intl

1h 59m

DCA9:59 amWashington, D.C. Reagan-National

$247

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 7/3

5:06 pm-6:47 pm

Nonstop2h 41m

Chicago O'Hare Intl

Mon 7/6

8:05 pm-11:31 pm

Nonstop2h 26m

$188

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Thu 6/25

5:06 pm-6:47 pm

Nonstop2h 41m

Chicago O'Hare Intl

Sat 6/27

8:00 pm-11:32 pm

Nonstop2h 32m

$189

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 6/2

1:30 pm-7:29 pm

1 stop6h 59m

Chicago O'Hare Intl

Wed 6/10

7:20 am-6:27 am

1 stop22h 07m

$190

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Tue 6/16

8:30 pm-9:35 pm

Nonstop2h 05m

Chicago Midway

Wed 7/1

7:50 am-12:00 pm

1 stop3h 10m

$226

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Mon 8/31

7:29 am-11:00 am

1 stop4h 31m

Chicago O'Hare Intl

Wed 9/9

7:03 am-10:00 am

Nonstop1h 57m

$232

Quickest round-trip

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Sat 6/6

6:15 pm-7:20 pm

Nonstop2h 05m

Chicago Midway

Wed 6/10

7:35 pm-10:25 pm

Nonstop1h 50m

$233

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 7/1

7:29 am-11:00 am

1 stop4h 31m

Chicago O'Hare Intl

Tue 7/7

9:42 am-12:44 pm

Nonstop2h 02m

$233

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 8/26

1:30 pm-6:03 pm

1 stop5h 33m

Chicago O'Hare Intl

Sat 8/29

6:40 am-12:42 pm

1 stop5h 02m

$238

Washington, D.C.Chicago

IAD - MDW

IADMDW

Washington, D.C. Dulles Intl

Sat 6/6

6:00 am-8:43 am

1 stop3h 43m

Chicago Midway

Wed 6/10

6:00 am-11:39 am

1 stop4h 39m

$238

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Mon 6/22

1:00 pm-2:18 pm

Nonstop2h 18m

Chicago O'Hare Intl

Wed 6/24

7:00 am-9:59 am

Nonstop1h 59m

$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 Illinois

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 Illinois?

The cheapest month to fly to Illinois from Maryland is in February. Flight prices, which tend to average around $43, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $45.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Maryland to Illinois is on a Friday when prices can be found for as low as $285. Flights from Maryland to Illinois on a Sunday will generally be more expensive and average around $416. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from Maryland to Illinois during this time can be as low as $258. Flights in the morning are often more expensive with an average ticket price of $395.

What is the cheapest Maryland to Illinois flight route?

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

How far in advance should I book a flight from Maryland to Illinois?

You are more likely to see cheaper flights to Illinois from Maryland when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $376 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Maryland for as low as $198 on momondo.

Can stopping save me money on Maryland to Illinois flights?

No. A direct flight is the cheapest option for a flight between Maryland to Illinois.

Cheap Maryland to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to Illinois

Best Price Found	$175
Fastest flight time	1h 55m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Maryland in the past 72 hours is $175. The best round-trip flight deal from Maryland to Illinois found on momondo in the last 72 hours is $309.

The fastest flight from Maryland to Illinois takes 1h 55m

Direct flights go from Maryland to Illinois every day.

There are 98 airports in Illinois. From Maryland there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from Maryland to Illinois

When did momondo last update prices for flights from Maryland to Illinois?
Prices for flights from Maryland to Illinois refresh daily.
How many operators does momondo search for flights from Maryland to Illinois?
The number of operators available for flights from Maryland to Illinois is 6 as of May 2026.
How old do you have to be to fly from Maryland to Illinois?
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 Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Maryland to Illinois?
momondo data reveals that the most frequently booked plane model on the route from Maryland to Illinois is Boeing 737 MAX 8, representing 14.16% of all bookings. The subsequent popular models are Boeing 737-800 at 10.22%, Boeing 737-900 at 9.46%, and Embraer 175 at 8.62%.

Best airlines flying from Maryland to Illinois

Compare and see reviews for airlines that fly from Maryland to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $43	Free Cancellation	Rating 6.2 8,625 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $57	Free Cancellation	Rating 5.6 2,949 reviews	Search Frontier flights
United Airlines	PriceFrom $131	Free Cancellation	Rating 7.4 9,729 reviews	Search United Airlines flights
Southwest	PriceFrom $134	Free Cancellation	Rating 8.0 4,294 reviews	Search Southwest flights
American Airlines	PriceFrom $158	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Maryland to Illinois. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between Maryland and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from Maryland and alert you when they change.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $83

Flights to Los Angelesfrom $51

Flights to Orlandofrom $53

Flights to Miamifrom $56

Flights to Chicagofrom $60

Flights to San Franciscofrom $56

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $55

Flights to Bostonfrom $74

Flights to Atlantafrom $54

Flights to Fort Lauderdalefrom $55

Flights to Dallasfrom $88

Cheap flights from Maryland to Illinois from $60

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 Illinois departing on 6/2. 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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Frontier flights from Maryland to Illinois

Our best Frontier deals on Maryland to Illinois flight tickets

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Our best United Airlines deals on Maryland to Illinois flight tickets

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Use the filters below to find and compare flights from Maryland to Illinois that are best for you.

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How to get the cheapest flight ticket from Maryland to Illinois

What is the cheapest month to fly to Illinois?

What is the cheapest day to depart on your flight to Illinois?

What is the cheapest time of day to depart on your flight to Illinois?

What is the cheapest Maryland to Illinois flight route?

How far in advance should I book a flight from Maryland to Illinois?

Can stopping save me money on Maryland to Illinois flights?

What is the cheapest airline that flies from Maryland to Illinois?

What airlines fly to Illinois?

How many flights depart from Maryland to Illinois on average per day?

How many flights depart from Maryland to Illinois on average per week?

How long is the flight from Maryland to Illinois?

Cheap Maryland to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Maryland to Illinois

Best airlines flying from Maryland to Illinois

Compare and see reviews for airlines that fly from Maryland to Illinois with momondo

Why use momondo?

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo

Maryland flight routes

According to popular flight searches on momondo this year

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