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$60+ Cheap flights from Baltimore (BWI) 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 1/11. 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
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Cheap flight deals from Baltimore to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 Baltimore to Illinois

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

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 FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/89:20 pmBWI - STL
1 stop27h 04mFrontier
Wed 12/115:02 pmSTL - BWI
1 stop14h 05mFrontier
Deal found 11/19$128
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 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
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1710:10 amBWI - ORD
Nonstop2h 12mUnited Airlines
Wed 12/185:59 pmORD - BWI
Nonstop1h 54mUnited Airlines
Deal found 11/19$169
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/177:55 amBWI - MDW
Nonstop2h 05mSouthwest
Wed 12/187:20 amMDW - BWI
Nonstop1h 50mSouthwest
Deal found 11/19$170
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/198:10 pmBWI - ORD
Nonstop2h 20mSouthwest
Tue 1/217:00 amORD - BWI
Nonstop1h 55mSouthwest
Deal found 11/19$174
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/85:00 amBWI - STL
1 stop11h 21mSpirit Airlines
Tue 12/104:26 pmSTL - BWI
2 stops17h 49mSpirit Airlines
Deal found 11/20$192
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/106:00 amBWI - MDW
1 stop3h 58mDelta
Wed 12/1112:44 pmMDW - BWI
1 stop4h 58mDelta
Deal found 11/19$196
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/105:27 pmBWI - ORD
1 stop4h 01mDelta
Thu 12/127:05 amORD - BWI
1 stop3h 39mDelta
Deal found 11/20$196
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1110:10 amBWI - STL
1 stop14h 14mMultiple Airlines
Thu 12/124:26 pmSTL - BWI
1 stop16h 11mMultiple Airlines
Deal found 11/20$203

Find flights from Baltimore to Illinois within your budget

Customize your flight search to find flights from Baltimore 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

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

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Sun 12/8

9:15 am-11:24 pm

1 stop15h 09m

Lambert-St Louis

Tue 12/10

5:02 pm-9:10 am

1 stop15h 08m

$128

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

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 1/7

11:51 am-1:12 pm

Nonstop2h 21m

Chicago O'Hare Intl

Thu 1/9

6:00 pm-9:03 pm

Nonstop2h 03m

$149

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 12/11

10:10 am-8:24 am

1 stop23h 14m

Chicago O'Hare Intl

Sun 12/15

7:45 pm-8:38 am

1 stop11h 53m

$160

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 12/17

10:10 am-11:22 am

Nonstop2h 12m

Chicago O'Hare Intl

Wed 12/18

5:59 pm-8:53 pm

Nonstop1h 54m

$169

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Tue 12/17

7:55 am-9:00 am

Nonstop2h 05m

Chicago Midway

Wed 12/18

7:20 am-10:10 am

Nonstop1h 50m

$170

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 12/19

8:10 pm-9:30 pm

Nonstop2h 20m

Chicago O'Hare Intl

Tue 1/21

7:00 am-9:55 am

Nonstop1h 55m

$174

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Mon 12/23

7:18 pm-3:11 pm

1 stop20h 53m

Chicago Midway

Fri 1/3

6:00 am-7:18 am

1 stop24h 18m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 59 results
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Best time to book a flight from Baltimore to Illinois

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

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

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

Currently, September is the cheapest month in which you can book a flight from Baltimore to Illinois (average of $232). Flying from Baltimore 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 BWI to IL?

Find hourly flight availability from Baltimore 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.

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

Weekly flight availability from Baltimore to Illinois

Explore weekly flight availability from Baltimore 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 BWI 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.
Get a feel of what it's like to fly with Delta, Frontier and American Airlines from Baltimore to Illinois by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

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

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

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

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

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

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

Reviews

1 / 10

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

Spirit Airlines
6.3
Okay
8,174 reviews
Southwest
8.1
Very good
5,014 reviews

Comfort

8.1

Crew

8.7

Entertainment

7.7

Boarding

8.2

Food

7.2

Overall

8.1

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 Baltimore to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Baltimore to Illinois?

    If you book a flight to Illinois from Baltimore, you will be flying from Baltimore/Washington, which is the city’s only airport. Baltimore/Washington (BWI) is located 8.5 mi from the center of Baltimore.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $60. However, be on the lookout for offers from Southwest and United Airlines, as they are both options that can get you from Baltimore to Illinois for a low price.

  • What are the most popular routes from Baltimore to Illinois?

    When deciding which route to take from Baltimore to Illinois consider Baltimore/Washington - Chicago O'Hare Intl, Baltimore/Washington - Chicago Midway or Baltimore/Washington - Lambert-St Louis as they are the most popular.

  • What are the most reliable airlines from Baltimore to Illinois?

    Consider ANA (97%), Japan Airlines (91%) or Southwest (91%) when booking your flight. These represent the most reliable airlines when flying from Baltimore to Illinois.

  • What are the cheapest flights from Baltimore to Illinois?

    Looking for the cheapest flight from Baltimore to Illinois? While on average our users pay $1,084, our data indicates the cheapest price to be $89. The most popular route (Baltimore/Washington - Chicago O'Hare Intl), is priced around $123.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Baltimore to Illinois (average of $232). Flying from Baltimore 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.

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Alternative routes for Baltimore to Illinois

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

Discover the top 6 airlines that operate flights from Baltimore 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$395FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$153Average$390FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$158Average$271FlexibilityNo cancel feeOn-time63%
DeltaCheapest$176Average$359FlexibilityNo cancel feeOn-timeN/A
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