HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$41+ Cheap flights from Maryland to Illinois

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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — ORD
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Maryland to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Maryland to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Maryland (USMD) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Find flight deals from Maryland to Illinois

Cheapest flights from Maryland to Illinois
Explore the most affordable flight options available from Maryland to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1310:57 pmPHL - MDW
Nonstop2h 23mFrontier
Mon 12/168:15 amMDW - PHL
Nonstop2h 03mFrontier
Deal found 11/20$76
This Cheapflightsfares deal was found by Cheapflights users on 11/20. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/610:19 pmPHL - ORD
Nonstop2h 28mFrontier
Mon 12/94:58 pmORD - PHL
Nonstop2h 07mFrontier
Deal found 11/20$77
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/134:33 pmBWI - MDW
Nonstop2h 04mFrontier
Thu 12/197:17 amMDW - BWI
Nonstop1h 52mFrontier
Deal found 11/19$101
This Frontier deal was found by Cheapflights users on 11/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/179:07 amBWI - ORD
1 stop8h 26mFrontier
Wed 12/186:55 amORD - BWI
1 stop6h 42mFrontier
Deal found 11/19$108
This Kiwi.com deal was found by Cheapflights users on 11/19. 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 12/610:19 pmPHL - ORD
Nonstop2h 28mMultiple Airlines
Tue 12/109:58 amORD - PHL
1 stop10h 49mMultiple Airlines
Deal found 11/19$123
This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/67:00 amDCA - ORD
1 stop18h 35mFrontier
Sun 12/87:25 amORD - DCA
1 stop27h 36mFrontier
Deal found 11/19$144
This CheapOair deal was found by Cheapflights users on 11/20. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/155:57 pmIAD - ORD
1 stop16h 57mFrontier
Wed 12/186:55 amORD - IAD
1 stop8h 33mFrontier
Deal found 11/20$148
This Frontier deal was found by Cheapflights users on 11/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/183:25 pmIAD - MDW
1 stop6h 52mFrontier
Wed 12/258:25 amMDW - IAD
1 stop5h 00mFrontier
Deal found 11/19$148
This Trip.com deal was found by Cheapflights users on 11/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/47:00 amDCA - MDW
1 stop18h 13mFrontier
Sun 12/87:15 amMDW - DCA
1 stop27h 46mFrontier
Deal found 11/19$155
This Kiwi.com deal was found by Cheapflights users on 11/19. 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.
Wed 12/1110:10 amBWI - ORD
1 stop23h 14mMultiple Airlines
Sun 12/157:45 pmORD - BWI
1 stop11h 53mMultiple Airlines
Deal found 11/19$160
This American Airlines deal was found by Cheapflights users on 11/19. 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 12/79:40 amPHL - ORD
Nonstop2h 28mAmerican Airlines
Sat 12/72:55 pmORD - PHL
Nonstop2h 00mAmerican Airlines
Deal found 11/19$166
This Mytrip deal was found by Cheapflights users on 11/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/37:35 pmBWI - ORD
2 stops15h 57mSpirit Airlines
Tue 12/109:58 amORD - BWI
2 stops24h 17mSpirit Airlines
Deal found 11/19$166

Find flights from Maryland to Illinois within your budget

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, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

PhiladelphiaChicago

PHL - MDW

PHLMDW

Philadelphia

Fri 12/13

10:57 pm-12:20 am

Nonstop2h 23m

Chicago Midway

Mon 12/16

8:15 am-11:18 am

Nonstop2h 03m

$76

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 12/6

10:19 pm-11:47 pm

Nonstop2h 28m

Chicago O'Hare Intl

Fri 12/13

6:07 pm-9:14 pm

Nonstop2h 07m

$77

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Fri 2/21

4:21 pm-5:33 pm

Nonstop2h 12m

Chicago Midway

Mon 2/24

12:26 pm-3:21 pm

Nonstop1h 55m

$100

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 12/17

9:07 am-4:33 pm

1 stop8h 26m

Chicago O'Hare Intl

Wed 12/18

6:55 am-2:37 pm

1 stop6h 42m

$108

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Fri 12/6

10:19 pm-11:47 pm

Nonstop2h 28m

Chicago O'Hare Intl

Tue 12/10

9:58 am-9:47 pm

1 stop10h 49m

$123

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 5/10

4:15 pm-10:21 pm

1 stop7h 06m

Chicago O'Hare Intl

Tue 5/13

6:15 am-3:12 pm

1 stop7h 57m

$131

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 2/15

4:00 pm-5:30 pm

Nonstop2h 30m

Chicago O'Hare Intl

Sat 2/15

8:36 pm-11:42 pm

Nonstop2h 06m

$132

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Fri 1/10

11:32 am-7:17 pm

1 stop8h 45m

Chicago O'Hare Intl

Sun 1/12

4:11 pm-5:01 pm

1 stop23h 50m

$141

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Fri 12/6

7:00 am-12:35 am

1 stop18h 35m

Chicago O'Hare Intl

Sun 12/8

7:25 am-12:01 pm

1 stop27h 36m

$144

Washington, D.C.Chicago

IAD - MDW

IADMDW

Washington, D.C. Dulles Intl

Wed 12/18

3:25 pm-9:17 pm

1 stop6h 52m

Chicago Midway

Wed 12/25

8:25 am-2:25 pm

1 stop5h 00m

$148

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Maryland to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Maryland 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.

Travel insights for flights from Maryland to Illinois

Get recent, data-driven insights about flights from Maryland to Illinois including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Maryland to Illinois (average of $232). Flying from Maryland to Illinois in June is currently the most expensive (average of $308). 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 MD to IL?

Find hourly flight availability from Maryland to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from Maryland to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Maryland to Illinois

Explore weekly flight availability from Maryland to Illinois. 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 November 20, 2024.

The most flights from USMD to USIL are scheduled on a Wednesday (17 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated November 20, 2024.
Peruse reviews from past customers who have flown with American Airlines, Spirit Airlines and JetBlue from Maryland to Illinois to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,461 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Porter Airlines
7.8
Good
288 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Air Transat
7.8
Good
389 reviews
Southwest
8.1
Very good
5,014 reviews

Entertainment

7.7

Food

7.2

Overall

8.1

Comfort

8.1

Crew

8.7

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Maryland to Illinois. 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 Maryland to Illinois one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $41. However, be on the lookout for offers from American Airlines and Southwest, as they are both options that can get you from Maryland to Illinois for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland to Illinois 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 Maryland to Illinois?

    Currently, September is the cheapest month in which you can book a flight from Maryland to Illinois (average of $232). Flying from Maryland to Illinois in June is currently the most expensive (average of $308). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Maryland to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
Newark to Fort Lauderdale flights
Dallas/Fort Worth to LaGuardia flights
John F Kennedy Intl to Miami flights
Newark to Miami flights
John F Kennedy Intl to Orlando flights
Los Angeles to John F Kennedy Intl flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Los Angeles flights
Newark to Los Angeles flights
Los Angeles to Newark flights
Dallas/Fort Worth to John F Kennedy Intl flights
Newark to Orlando flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Fort Lauderdale flights
Dallas/Fort Worth to Newark flights
LaGuardia to Orlando flights
San Francisco to John F Kennedy Intl flights
Miami to LaGuardia flights
Miami to John F Kennedy Intl flights
Fort Lauderdale to LaGuardia flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Atlanta flights
Fort Lauderdale to Newark flights
Atlanta to John F Kennedy Intl flights
John F Kennedy Intl to San Francisco flights
Los Angeles to Dallas/Fort Worth flights
Los Angeles to Honolulu flights
Dallas/Fort Worth to Orlando flights
Seattle to Los Angeles flights
O'Hare Intl to Orlando flights
Dallas/Fort Worth to Las Vegas flights
Boston to Orlando flights
Dallas/Fort Worth to Los Angeles flights
Miami to Newark flights
O'Hare Intl to Miami flights
Los Angeles to LaGuardia flights
Fort Lauderdale to John F Kennedy Intl flights
John F Kennedy Intl to West Palm Beach flights
O'Hare Intl to Dallas/Fort Worth flights
Orlando to John F Kennedy Intl flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Fort Lauderdale flights
LaGuardia to Los Angeles flights
San Francisco to Newark flights
LaGuardia to Atlanta flights
Baltimore to Fort Lauderdale flights

Top 6 airlines flying from Maryland to Illinois

Discover the top 6 airlines that operate flights from Maryland to Illinois. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$58Average$150FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$193FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$124Average$404FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$153Average$390FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$271FlexibilityNo cancel feeOn-time63%
DeltaCheapest$176Average$359FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines