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$78+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BWI
may. 6 — may. 131
mar. 5/6
mar. 5/13
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 mayo 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$166
(FlightHub)

One-way from

$80
(Southwest)

Popular in

June

Cheapest in

September

Average price

$223

Good round-trip deal

$199 or less

Good one-way deal

$99 or less
Provider with most accurate pricing for Chicago (CHI)-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Washington, D.C. (WAS) flights.
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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 ($7 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 May 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 mayo 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/138:00 amORD - PHL
1 stop7h 33mMultiple Airlines
lun. 8/185:48 pmPHL - ORD
Nonstop2h 39mMultiple Airlines
Deal found 4/30$166
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/168:26 pmORD - PHL
Nonstop2h 08mFrontier
lun. 5/195:01 pmPHL - ORD
Nonstop2h 28mFrontier
Deal found 4/30$172
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
vie. 5/166:15 amMDW - BWI
Nonstop1h 58mFrontier
lun. 5/1910:03 amBWI - MDW
Nonstop2h 06mFrontier
Deal found 4/29$175
This Booking.com deal was found by Cheapflights users on 4/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/207:47 amORD - BWI
1 stop11h 42mSpirit Airlines
jue. 5/2212:51 pmBWI - ORD
1 stop8h 12mSpirit Airlines
Deal found 4/30$175
This Southwest deal was found by Cheapflights users on 4/28. 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.
jue. 6/267:15 amMDW - BWI
Nonstop1h 45mSouthwest
dom. 6/296:55 amBWI - MDW
Nonstop2h 00mSouthwest
Deal found 4/28$177
This Southwest deal was found by Cheapflights users on 4/28. 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.
vie. 5/301:50 pmORD - BWI
Nonstop1h 55mSouthwest
lun. 6/210:35 amBWI - ORD
Nonstop2h 15mSouthwest
Deal found 4/28$177
This Frontier deal was found by Cheapflights users on 4/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/242:44 pmMDW - PHL
1 stop13h 23mFrontier
lun. 5/266:39 pmPHL - MDW
Nonstop2h 16mFrontier
Deal found 4/30$178
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/217:04 pmORD - BWI
Nonstop2h 01mAmerican Airlines
sáb. 5/316:20 pmBWI - ORD
Nonstop2h 21mAmerican Airlines
Deal found 4/30$179
This American Airlines deal was found by Cheapflights users on 4/29. 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.
vie. 5/307:50 amORD - DCA
Nonstop1h 54mAmerican Airlines
sáb. 5/319:00 pmDCA - ORD
Nonstop2h 11mAmerican Airlines
Deal found 4/29$179
This Southwest deal was found by Cheapflights users on 4/30. 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.
mié. 5/218:25 amMDW - PHL
Nonstop2h 00mSouthwest
dom. 5/256:55 pmPHL - MDW
Nonstop2h 15mSouthwest
Deal found 4/30$180
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/217:00 amORD - PHL
Nonstop2h 04mAmerican Airlines
dom. 5/257:20 amPHL - ORD
Nonstop2h 26mAmerican Airlines
Deal found 4/30$180
This CheapOair deal was found by Cheapflights users on 4/29. 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.
jue. 5/1510:33 amORD - BWI
Nonstop1h 46mMultiple Airlines
mié. 5/2110:40 amBWI - ORD
1 stop22h 42mMultiple Airlines
Deal found 4/29$180

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 mayo 1, 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

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

jue. 5/29

10:00 am-5:27 pm

1 stop6h 27m

Philadelphia

vie. 5/30

3:39 pm-5:01 pm

Nonstop2h 22m

$169

ChicagoPhiladelphia

ORD - PHL

ORDPHL

Chicago O'Hare Intl

vie. 5/16

8:26 pm-11:34 pm

Nonstop2h 08m

Philadelphia

dom. 5/18

7:15 am-8:43 am

Nonstop2h 28m

$172

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mar. 5/20

7:47 am-8:29 pm

1 stop11h 42m

Baltimore/Washington

jue. 5/22

12:51 pm-8:03 pm

1 stop8h 12m

$175

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

vie. 5/16

6:15 am-9:13 am

Nonstop1h 58m

Baltimore/Washington

lun. 5/19

10:03 am-11:09 am

Nonstop2h 06m

$175

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

jue. 6/26

7:15 am-10:00 am

Nonstop1h 45m

Baltimore/Washington

dom. 6/29

6:55 am-7:55 am

Nonstop2h 00m

$177

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

vie. 5/30

1:50 pm-4:45 pm

Nonstop1h 55m

Baltimore/Washington

lun. 6/2

10:35 am-11:50 am

Nonstop2h 15m

$177

ChicagoPhiladelphia

MDW - PHL

MDWPHL

Chicago Midway

sáb. 5/24

2:44 pm-5:07 am

1 stop13h 23m

Philadelphia

lun. 5/26

6:39 pm-7:55 pm

Nonstop2h 16m

$178

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mié. 5/21

7:01 am-9:59 am

Nonstop1h 58m

Baltimore/Washington

dom. 5/25

7:26 am-8:43 am

Nonstop2h 17m

$179

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

vie. 5/30

7:50 am-10:44 am

Nonstop1h 54m

Washington, D.C. Reagan-National

sáb. 5/31

9:00 pm-10:11 pm

Nonstop2h 11m

$179

ChicagoWashington, D.C.

ORD - DCA

ORDDCA

Chicago O'Hare Intl

sáb. 5/24

7:00 am-9:57 am

Nonstop1h 57m

Washington, D.C. Reagan-National

mié. 5/28

6:00 am-10:39 am

1 stop5h 39m

$180

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 mayo 1, 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 mayo 1, 2025.

The most flights from USIL to USMD are scheduled on a Wednesday (20 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 on average).

Rainfall in Maryland by month

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

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

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

If weather is an important factor for your trip to Maryland, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 mayo 1, 2025.
To help decide which airline to fly from Illinois to Maryland, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,972 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,294 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Avelo Airlines
7.5
Good
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Qatar Airways
7.4
Good
3,563 reviews
Alaska Airlines
8.0
Very good
9,972 reviews

Comfort

7.9

Boarding

8.1

Entertainment

7.1

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 Southwest, with whom users have recently found tickets for as low as $80. However, be on the lookout for offers from United Airlines and Spirit Airlines, 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$68Average$164FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$101Average$174FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$121Average$389FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$140Average$276FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$173Average$310FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$255FlexibilityNo cancel feeOn-timeN/A

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