Cheap flights from Maryland to Illinois from $43

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 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
$88Spirit Airlines
Find Deal
Thu, Sep 11 - Sun, Sep 14
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
$89Spirit Airlines
Find Deal
Thu, Sep 4 - Thu, Sep 11
Frontier Logo
9:59 pm - 11:20 pmBWI-ORD
2h 21mnonstop
Frontier Logo
6:11 pm - 9:14 pmORD-BWI
2h 03mnonstop
$99Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 5
Frontier Logo
6:00 am - 7:11 amPHL-MDW
2h 11mnonstop
Frontier Logo
8:15 am - 11:16 amMDW-PHL
2h 01mnonstop
$108Frontier
Find Deal
Thu, Sep 4 - Thu, Sep 11
Southwest Logo
1:40 pm - 2:45 pmPHL-MDW
2h 05mnonstop
Southwest Logo
2:40 pm - 5:40 pmMDW-PHL
2h 00mnonstop
$123Southwest
Find Deal
Wed, Sep 3 - Wed, Sep 10
Southwest Logo
10:45 am - 11:45 amBWI-MDW
2h 00mnonstop
Southwest Logo
2:55 pm - 5:45 pmMDW-BWI
1h 50mnonstop
$123Southwest
Find Deal
Wed, Sep 3 - Wed, Sep 10
United Airlines Logo
6:04 pm - 7:20 pmDCA-ORD
2h 16mnonstop
United Airlines Logo
6:00 am - 8:58 amORD-DCA
1h 58mnonstop
$123United Airlines
Find Deal
Sat, Oct 4 - Wed, Oct 8
United Airlines Logo
6:50 pm - 7:58 pmIAD-ORD
2h 08mnonstop
United Airlines Logo
10:45 am - 1:51 pmORD-IAD
2h 06mnonstop
$123United Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
American Airlines Logo
10:45 am - 12:20 pmPHL-ORD
2h 35mnonstop
American Airlines Logo
7:00 am - 9:57 amORD-PHL
1h 57mnonstop
$124American Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 10
American Airlines Logo
6:00 am - 7:16 amDCA-ORD
2h 16mnonstop
American Airlines Logo
6:04 am - 8:59 amORD-DCA
1h 55mnonstop
$136American Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10

Spirit Airlines flights from Maryland to Illinois

Our best Spirit Airlines deals on Maryland to Illinois flight tickets
Spirit Airlines
Sep 11
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
Sep 14
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington
Spirit Airlines
Sep 4
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
Sep 11
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington
Spirit Airlines
Sep 11
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
Sep 14
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington

United Airlines flights from Maryland to Illinois

Our best United Airlines deals on Maryland to Illinois flight tickets
United Airlines
Oct 4
DCA6:04 pmWashington, D.C. Reagan-National
2h 16m
ORD7:20 pmChicago O'Hare Intl
Oct 8
ORD6:00 amChicago O'Hare Intl
1h 58m
DCA8:58 amWashington, D.C. Reagan-National
United Airlines
Aug 27
DCA3:30 pmWashington, D.C. Reagan-National
2h 13m
ORD4:43 pmChicago O'Hare Intl
Aug 28
ORD4:00 pmChicago O'Hare Intl
2h 03m
DCA7:03 pmWashington, D.C. Reagan-National
United Airlines
Aug 16
IAD3:39 pmWashington, D.C. Dulles Intl
2h 13m
ORD4:52 pmChicago O'Hare Intl
Aug 16
ORD7:45 pmChicago O'Hare Intl
10h 43m
1 stop
IAD7:28 amWashington, D.C. Dulles Intl

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 August 5, 2025.
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

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 9/11

9:57 am-11:10 am

Nonstop2h 13m

Chicago O'Hare Intl

Sun 9/14

6:10 am-9:02 am

Nonstop1h 52m

$88

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 9/4

9:57 am-11:10 am

Nonstop2h 13m

Chicago O'Hare Intl

Thu 9/11

6:10 am-9:02 am

Nonstop1h 52m

$89

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 10/3

9:59 pm-11:20 pm

Nonstop2h 21m

Chicago O'Hare Intl

Sun 10/5

6:11 pm-9:14 pm

Nonstop2h 03m

$99

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Thu 9/4

6:00 am-7:11 am

Nonstop2h 11m

Chicago Midway

Thu 9/11

8:15 am-11:16 am

Nonstop2h 01m

$108

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Wed 9/3

1:40 pm-2:45 pm

Nonstop2h 05m

Chicago Midway

Wed 9/10

2:40 pm-5:40 pm

Nonstop2h 00m

$123

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 9/3

10:45 am-11:45 am

Nonstop2h 00m

Chicago Midway

Wed 9/10

2:55 pm-5:45 pm

Nonstop1h 50m

$123

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 10/4

6:04 pm-7:20 pm

Nonstop2h 16m

Chicago O'Hare Intl

Wed 10/8

6:00 am-8:58 am

Nonstop1h 58m

$123

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Wed 10/1

6:50 pm-7:58 pm

Nonstop2h 08m

Chicago O'Hare Intl

Sat 10/4

10:45 am-1:51 pm

Nonstop2h 06m

$123

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Tue 9/9

10:45 am-12:20 pm

Nonstop2h 35m

Chicago O'Hare Intl

Wed 9/10

7:00 am-9:57 am

Nonstop1h 57m

$124

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Sat 11/8

6:00 am-7:16 am

Nonstop2h 16m

Chicago O'Hare Intl

Mon 11/10

6:04 am-8:59 am

Nonstop1h 55m

$136

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 $202, 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 January is also cheap. Prices for this month can be found on momondo for an average of $229.

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 $305. Flights from Maryland to Illinois on a Sunday will generally be more expensive and average around $617. 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 $244. Flights in the morning are often more expensive with an average ticket price of $483.

What is the cheapest Maryland to Illinois flight route?

Fly from Baltimore/Washington to Chicago Midway 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 $284 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 $221 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

$43

Fastest flight time

1h 55m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from Maryland in the past 72 hours is $43. The best round-trip flight deal from Maryland to Illinois found on momondo in the last 72 hours is $88.
The fastest flight from Maryland to Illinois takes 1h 55m
Direct flights go from Maryland to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

  • 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 $46Free CancellationRating
6.3
8,051 reviews
Search Spirit Airlines flights
FrontierPriceFrom $62Free CancellationRating
5.8
3,232 reviews
Search Frontier flights
DeltaPriceFrom $98Free CancellationRating
8.0
7,985 reviews
Search Delta flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,246 reviews
Search Southwest flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
8,916 reviews
Search United 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.


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1 adult
Sun 8/10
Sun 8/17

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