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Cheap flights from Maryland to Illinois from $65

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 4/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Maryland to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:00 pm - 5:54 pm
BWI
-
MDW
20h 54m
1 stop
Frontier Logo
2:15 pm - 12:44 am
MDW
-
BWI
9h 29m
1 stop
$173Frontier
Thu, Apr 23 - Mon, Apr 27
Multiple Airlines Logo
12:17 pm - 5:00 pm
BWI
-
ORD
5h 43m
1 stop
Multiple Airlines Logo
7:15 pm - 9:15 am
ORD
-
BWI
13h 00m
1 stop
$173Multiple Airlines
Tue, Apr 14 - Fri, Apr 17
Multiple Airlines Logo
12:17 pm - 5:00 pm
BWI
-
ORD
5h 43m
1 stop
Multiple Airlines Logo
7:15 pm - 9:15 am
ORD
-
BWI
13h 00m
1 stop
$174Multiple Airlines
Wed, Apr 15 - Sun, Apr 19
Multiple Airlines Logo
11:46 am - 9:12 pm
BWI
-
ORD
10h 26m
2 stops
Multiple Airlines Logo
11:28 am - 11:22 am
ORD
-
BWI
22h 54m
1 stop
$175Multiple Airlines
Sat, Apr 18 - Mon, Apr 20
Southwest Logo
9:05 am - 3:45 pm
DCA
-
MDW
7h 40m
2 stops
Southwest Logo
11:15 am - 2:00 pm
MDW
-
DCA
1h 45mnonstop
$223Southwest
Wed, Jun 3 - Thu, Jun 4
Delta Logo
9:40 am - 12:45 pm
DCA
-
ORD
4h 05m
1 stop
Delta Logo
7:14 am - 12:55 pm
ORD
-
DCA
4h 41m
1 stop
$228Delta
Wed, Apr 22 - Sat, Apr 25
Delta Logo
5:07 pm - 8:40 pm
IAD
-
ORD
4h 33m
1 stop
Delta Logo
7:10 am - 2:04 pm
ORD
-
IAD
5h 54m
1 stop
$228Delta
Wed, Apr 22 - Thu, Apr 23
Southwest Logo
6:00 am - 1:55 pm
DCA
-
MDW
8h 55m
2 stops
Southwest Logo
1:55 pm - 6:40 pm
MDW
-
DCA
3h 45m
1 stop
$229Southwest
Sat, May 9 - Wed, May 13
United Airlines Logo
9:00 am - 10:31 am
IAD
-
STL
2h 31mnonstop
United Airlines Logo
9:10 am - 5:09 pm
STL
-
IAD
6h 59m
1 stop
$275United Airlines
Sat, Apr 18 - Mon, Apr 20
United Airlines Logo
5:50 pm - 7:27 pm
IAD
-
STL
2h 37mnonstop
United Airlines Logo
7:11 pm - 12:33 am
STL
-
IAD
4h 22m
1 stop
$286United Airlines
Sat, May 2 - Sat, May 16

Spirit Airlines flights from Maryland to Illinois

Our best Spirit Airlines deals on Maryland to Illinois flight tickets
Spirit Airlines
Apr 8
BWI10:19 amBaltimore/Washington
7h 56m
1 stop
ORD5:15 pmChicago O'Hare Intl
Apr 18
ORD7:15 pmChicago O'Hare Intl
13h 00m
1 stop
BWI9:15 amBaltimore/Washington
$173
Spirit Airlines
Apr 10
BWI4:05 pmBaltimore/Washington
8h 12m
1 stop
ORD11:17 pmChicago O'Hare Intl
Apr 17
ORD7:15 pmChicago O'Hare Intl
13h 00m
1 stop
BWI9:15 amBaltimore/Washington
$175
Spirit Airlines
Apr 4
BWI10:09 amBaltimore/Washington
10h 54m
1 stop
ORD8:03 pmChicago O'Hare Intl
Apr 7
ORD5:05 amChicago O'Hare Intl
12h 40m
1 stop
BWI6:45 pmBaltimore/Washington
$176

Frontier flights from Maryland to Illinois

Our best Frontier deals on Maryland to Illinois flight tickets
Frontier
Apr 23
BWI10:00 pmBaltimore/Washington
20h 54m
1 stop
MDW5:54 pmChicago Midway
Apr 27
MDW2:15 pmChicago Midway
9h 29m
1 stop
BWI12:44 amBaltimore/Washington
$173
Frontier
May 8
BWI3:26 pmBaltimore/Washington
8h 47m
1 stop
ORD11:13 pmChicago O'Hare Intl
May 11
ORD7:30 amChicago O'Hare Intl
2h 07m
BWI10:37 amBaltimore/Washington
$176
Frontier
May 27
BWI3:26 pmBaltimore/Washington
8h 47m
1 stop
ORD11:13 pmChicago O'Hare Intl
Jun 4
ORD1:50 pmChicago O'Hare Intl
8h 07m
1 stop
BWI10:57 pmBaltimore/Washington
$178

momondo Fare Finder

 
Customize your flight search to find flights from Maryland to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 1, 2026.
Use the filters below to find and compare flights from Maryland to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Thu 4/23

10:00 pm-5:54 pm

1 stop20h 54m

Chicago Midway

Mon 4/27

2:15 pm-12:44 am

1 stop9h 29m

$173

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 4/14

12:17 pm-5:00 pm

1 stop5h 43m

Chicago O'Hare Intl

Fri 4/17

7:15 pm-9:15 am

1 stop13h 00m

$173

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 4/15

12:17 pm-5:00 pm

1 stop5h 43m

Chicago O'Hare Intl

Sun 4/19

7:15 pm-9:15 am

1 stop13h 00m

$174

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 4/18

11:46 am-9:12 pm

2 stops10h 26m

Chicago O'Hare Intl

Mon 4/20

11:28 am-11:22 am

1 stop22h 54m

$175

Washington, D.C.Chicago

DCA - MDW

DCAMDW

Washington, D.C. Reagan-National

Wed 6/3

9:05 am-3:45 pm

2 stops7h 40m

Chicago Midway

Thu 6/4

11:15 am-2:00 pm

Nonstop1h 45m

$223

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 4/22

9:40 am-12:45 pm

1 stop4h 05m

Chicago O'Hare Intl

Sat 4/25

7:14 am-12:55 pm

1 stop4h 41m

$228

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Wed 4/22

5:07 pm-8:40 pm

1 stop4h 33m

Chicago O'Hare Intl

Thu 4/23

7:10 am-2:04 pm

1 stop5h 54m

$228

Washington, D.C.Chicago

DCA - MDW

DCAMDW

Washington, D.C. Reagan-National

Sat 5/9

6:00 am-1:55 pm

2 stops8h 55m

Chicago Midway

Wed 5/13

1:55 pm-6:40 pm

1 stop3h 45m

$229

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Sat 4/18

9:00 am-10:31 am

Nonstop2h 31m

Lambert-St Louis

Mon 4/20

9:10 am-5:09 pm

1 stop6h 59m

$275
Quickest round-trip

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Sat 5/2

5:50 pm-7:27 pm

Nonstop2h 37m

Lambert-St Louis

Sat 5/16

7:11 pm-12:33 am

1 stop4h 22m

$286

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Maryland is in September. Flight prices, which tend to average around $203, 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 September, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $224.

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 $282. Flights from Maryland to Illinois on a Sunday will generally be more expensive and average around $431. 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 evening. Flights from Maryland to Illinois during this time can be as low as $248. Flights in the morning are often more expensive with an average ticket price of $399.

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 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 $353 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 $199 on momondo.

What cabin class options are available on Maryland to Illinois flights?

There are 4 cabin classes available to choose from on Maryland to Illinois 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 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

Mon, Wed, Thu, Fri, Sat and Sun

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 $295.
The fastest flight from Maryland to Illinois takes 1h 55m
Direct flights go from Maryland to Illinois on Monday, Wednesday, Thursday, Friday, Saturday and Sunday. Airlines offering direct flights are: United Airlines, Southwest and American Airlines.
There are 98 airports in Illinois. From Maryland there are direct flights to 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?

  • 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?

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 AirlinesPriceFrom $41Free CancellationRating
6.3
8,573 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.7
3,006 reviews
Search Frontier flights
United AirlinesPriceFrom $131Free CancellationRating
7.4
9,530 reviews
Search United Airlines flights
SouthwestPriceFrom $134Free CancellationRating
8.0
4,336 reviews
Search Southwest flights
American AirlinesPriceFrom $158Free CancellationRating
7.1
11,545 reviews
Search American Airlines flights
DeltaPriceFrom $239Free CancellationRating
7.9
8,367 reviews
Search Delta 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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