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Maryland

$53+ Cheap flights from Illinois to Maryland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Illinois to Maryland

Keep the following information in mind while searching for Illinois to Maryland flight deals. Data was last updated July 3, 2025.

Round-trip from

$99
(Kiwi.com)

One-way from

$53
(Priceline)

Popular in

January

Cheapest in

September

Average price

$229

Good round-trip deal

$150 or less

Good one-way deal

$81 or less
From Illinois to Maryland
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One-way flight from Illinois to Maryland
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Highest demand for flights based on searches. 3% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Illinois to Maryland.
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Price to beat on a one-way flight from Illinois to Maryland.
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Find flight deals from Illinois to Maryland

Cheapest flights from Illinois to Maryland
Explore the most affordable flight options available from Illinois to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/31:59 pmMDW - BWI
Nonstop2h 01mFrontier
Sun 10/55:45 pmBWI - MDW
Nonstop2h 04mFrontier
Deal found 7/1$99
This Kiwi.com deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/314:37 pmORD - BWI
Nonstop1h 54mMultiple Airlines
Mon 8/411:36 amBWI - ORD
Nonstop2h 22mMultiple Airlines
Deal found 7/1$100
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/17:45 amORD - BWI
Nonstop2h 06mFrontier
Sun 8/311:42 amBWI - ORD
Nonstop2h 22mFrontier
Deal found 7/1$101
This FlightHub deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:18 amORD - BWI
1 stop7h 29mSpirit Airlines
Sun 9/289:57 amBWI - ORD
Nonstop2h 13mSpirit Airlines
Deal found 7/2$108
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2510:39 amSTL - BWI
1 stop6h 26mFrontier
Mon 9/296:25 amBWI - STL
1 stop9h 39mFrontier
Deal found 7/1$115
This FlightHub deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:30 pmSTL - BWI
1 stop6h 39mSpirit Airlines
Wed 8/202:30 pmBWI - STL
1 stop24h 02mSpirit Airlines
Deal found 7/3$135
This American Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/118:20 amORD - BWI
Nonstop2h 00mAmerican Airlines
Tue 10/146:13 pmBWI - ORD
Nonstop2h 21mAmerican Airlines
Deal found 7/3$139
This Southwest deal was found by Cheapflights users on 6/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/96:55 amMDW - BWI
Nonstop1h 50mSouthwest
Mon 8/115:05 pmBWI - MDW
Nonstop2h 00mSouthwest
Deal found 6/30$148
This United Airlines deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/297:00 amORD - BWI
Nonstop2h 03mUnited Airlines
Tue 8/56:15 amBWI - ORD
Nonstop2h 15mUnited Airlines
Deal found 7/1$149
This Expedia deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/182:30 pmSTL - BWI
1 stop6h 39mMultiple Airlines
Mon 8/256:10 amBWI - STL
1 stop7h 46mMultiple Airlines
Deal found 7/3$149
This Priceline deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:51 amMDW - IAD
1 stop6h 21mFrontier
Mon 9/1510:12 amIAD - MDW
1 stop11h 40mFrontier
Deal found 7/1$150
This Priceline deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/165:34 pmORD - IAD
1 stop5h 38mFrontier
Wed 7/236:10 amIAD - ORD
1 stop5h 15mFrontier
Deal found 7/2$151

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Maryland 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, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Illinois to Maryland that are best for you.

Fly from

Illinois

Fly to

Maryland

Route

Depart

Return

Price

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Fri 10/3

1:59 pm-5:00 pm

Nonstop2h 01m

Baltimore/Washington

Sun 10/5

5:45 pm-6:49 pm

Nonstop2h 04m

$99

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 7/31

4:37 pm-7:31 pm

Nonstop1h 54m

Baltimore/Washington

Mon 8/4

11:36 am-12:58 pm

Nonstop2h 22m

$100

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 8/1

7:45 am-10:51 am

Nonstop2h 06m

Baltimore/Washington

Sun 8/3

11:42 am-1:04 pm

Nonstop2h 22m

$101

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 9/25

6:10 am-9:02 am

Nonstop1h 52m

Baltimore/Washington

Mon 9/29

6:10 am-4:24 pm

1 stop11h 14m

$108

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 9/25

10:39 am-6:05 pm

1 stop6h 26m

Baltimore/Washington

Mon 9/29

6:25 am-3:04 pm

1 stop9h 39m

$115

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Mon 8/18

2:30 pm-10:09 pm

1 stop6h 39m

Baltimore/Washington

Wed 8/20

2:30 pm-1:32 pm

1 stop24h 02m

$135

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 10/11

8:20 am-11:20 am

Nonstop2h 00m

Baltimore/Washington

Tue 10/14

6:13 pm-7:34 pm

Nonstop2h 21m

$139

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 8/9

6:55 am-9:45 am

Nonstop1h 50m

Baltimore/Washington

Mon 8/11

5:05 pm-6:05 pm

Nonstop2h 00m

$148

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 7/29

7:00 am-10:03 am

Nonstop2h 03m

Baltimore/Washington

Tue 8/5

6:15 am-7:30 am

Nonstop2h 15m

$149

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Mon 8/18

2:30 pm-10:09 pm

1 stop6h 39m

Baltimore/Washington

Mon 8/25

6:10 am-12:56 pm

1 stop7h 46m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Maryland

What is the cheapest month to book a flight from Illinois to Maryland?

Currently, August is the cheapest month in which you can book a flight from Illinois to Maryland (average of $241). Flying from Illinois to Maryland in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to MD?

Find hourly flight availability from Illinois to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Maryland as you normally would.

Weekly flight availability from Illinois to Maryland

Explore weekly flight availability from Illinois to Maryland. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from USIL to USMD are scheduled on a Monday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Illinois to Maryland, such as Southwest, Delta, and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,270 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,970 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,845 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,916 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,270 reviews

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.2

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Illinois to Maryland one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $53. However, be on the lookout for offers from Spirit Airlines and Southwest, as they are both options that can get you from Illinois to Maryland for a low price.

  • Can I find deals for flights from Illinois to Maryland that include hotel bookings?

    Yes. In addition to deals on Illinois to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Maryland.

  • Can I find deals for business class flights from Illinois to Maryland?

    Yes. Cheapflights offers flight deals from Illinois to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Maryland?

    Currently, August is the cheapest month in which you can book a flight from Illinois to Maryland (average of $241). Flying from Illinois to Maryland in March is currently the most expensive (average of $290). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Illinois to Maryland

Discover the top 6 airlines that operate flights from Illinois to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$172FlexibilityNo cancel feeOn-time65%
FrontierCheapest$59Average$176FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$139Average$276FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$144Average$419FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$151Average$308FlexibilityNo cancel feeOn-time69%
DeltaCheapest$183Average$377FlexibilityNo cancel feeOn-timeN/A

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