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$73+ Cheap flights from Baltimore (BWI) to Chicago (CHI)

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — CHI
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Baltimore/Washington to Chicago are usually found in January or November, booked 78 days in advance, depart on a Friday or Thursday and return on a Wednesday

Cheap flight deals from Baltimore to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to Chicago (CHI). 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 junio 12, 2025.

Round-trip from

$118
(Kiwi.com)

One-way from

$73
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$223
From Baltimore/Washington to Chicago (CHI)
Search Deals
One-way flight from Baltimore/Washington to Chicago (CHI)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($41 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Baltimore to Chicago

Cheapest flights from Baltimore to Chicago
Explore the most affordable flight options available from Baltimore to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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. 7/28:25 amBWI - ORD
1 stop11h 19mSpirit Airlines
jue. 7/104:37 pmORD - BWI
Nonstop1h 54mSpirit Airlines
Deal found 6/11$118
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
jue. 8/147:38 amBWI - ORD
Nonstop2h 00mMultiple Airlines
lun. 8/187:45 amORD - BWI
Nonstop2h 06mMultiple Airlines
Deal found 6/10$120
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
mié. 8/66:31 pmBWI - MDW
Nonstop2h 05mFrontier
lun. 8/1112:50 pmMDW - BWI
Nonstop1h 56mFrontier
Deal found 6/12$122
This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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. 9/1910:58 pmBWI - ORD
Nonstop2h 16mFrontier
lun. 9/227:10 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 6/11$125
This Southwest deal was found by Cheapflights users on 6/10. 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. 8/136:40 amBWI - MDW
Nonstop2h 00mSouthwest
mié. 8/1311:45 amMDW - BWI
Nonstop1h 50mSouthwest
Deal found 6/10$139
This Southwest deal was found by Cheapflights users on 6/11. 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.
sáb. 8/2310:35 amBWI - ORD
Nonstop2h 15mSouthwest
sáb. 8/231:30 pmORD - BWI
Nonstop2h 00mSouthwest
Deal found 6/11$139
This United Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 8/146:15 amBWI - ORD
Nonstop2h 15mUnited Airlines
mar. 8/1910:45 amORD - BWI
Nonstop2h 03mUnited Airlines
Deal found 6/11$148
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jue. 8/217:45 amBWI - RFD
1 stop7h 31mMultiple Airlines
dom. 8/243:06 pmRFD - BWI
1 stop6h 54mMultiple Airlines
Deal found 6/11$178
This Delta deal was found by Cheapflights users on 6/10. 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.
vie. 9/126:10 pmBWI - MDW
1 stop4h 34mDelta
mar. 9/169:30 amMDW - BWI
1 stop5h 22mDelta
Deal found 6/10$207
This Delta deal was found by Cheapflights users on 6/10. 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.
sáb. 7/126:00 amBWI - ORD
1 stop5h 15mDelta
sáb. 7/126:15 pmORD - BWI
1 stop5h 39mDelta
Deal found 6/10$217
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/2112:25 pmBWI - ORD
1 stop23h 20mSun Country Air
vie. 7/254:45 pmORD - BWI
1 stop17h 38mSun Country Air
Deal found 6/10$255

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore to Chicago 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 junio 12, 2025.
Use the filters below to find and compare flights from Baltimore to Chicago that are best for you.

Fly from

Baltimore

Fly to

Chicago

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

mié. 7/2

8:25 am-6:44 pm

1 stop11h 19m

Chicago O'Hare Intl

jue. 7/10

4:37 pm-7:31 pm

Nonstop1h 54m

$118

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

jue. 8/14

7:38 am-8:38 am

Nonstop2h 00m

Chicago O'Hare Intl

lun. 8/18

7:45 am-10:51 am

Nonstop2h 06m

$120

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

mié. 8/6

6:31 pm-7:36 pm

Nonstop2h 05m

Chicago Midway

lun. 8/11

12:50 pm-3:46 pm

Nonstop1h 56m

$122

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

lun. 8/11

11:36 am-12:58 pm

Nonstop2h 22m

Chicago O'Hare Intl

dom. 8/17

7:45 am-10:51 am

Nonstop2h 06m

$125

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

mié. 8/13

6:40 am-7:40 am

Nonstop2h 00m

Chicago Midway

mié. 8/13

11:45 am-2:35 pm

Nonstop1h 50m

$139

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

sáb. 8/23

6:15 am-7:30 am

Nonstop2h 15m

Chicago O'Hare Intl

sáb. 8/30

7:00 am-9:55 am

Nonstop1h 55m

$139

BaltimoreChicago

BWI - RFD

BWIRFD

Baltimore/Washington

jue. 8/21

7:45 am-2:16 pm

1 stop7h 31m

Chicago Greater Rockford

dom. 8/24

3:06 pm-11:00 pm

1 stop6h 54m

$178

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

sáb. 7/12

10:35 am-11:50 am

Nonstop2h 15m

Chicago O'Hare Intl

sáb. 7/19

1:30 pm-4:25 pm

Nonstop1h 55m

$178

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

mié. 7/16

6:00 am-10:16 am

1 stop5h 16m

Chicago O'Hare Intl

mar. 7/22

9:00 am-4:41 pm

1 stop6h 41m

$217

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

mar. 6/24

6:00 am-8:41 am

1 stop3h 41m

Chicago Midway

sáb. 7/26

4:22 pm-10:51 pm

1 stop5h 29m

$243

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 25 results
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The best insider tips for Baltimore to Chicago flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Baltimore to Chicago trip
Airlines
Frontier

Frontier's UpFront Plus seats guarantee an empty middle seat for added comfort.


Early morning flights have a better chance of on-time departure and arrival.

Read more about Frontierby Marisa Garcia
United Airlines

Basic Economy allows a personal item only; no carry-on bags without exceptions.


Economy Plus offers extra legroom seats towards the front of the economy cabin.

Read more about United Airlinesby Harriet Baskas
Airports
BWI

For a stress-free departure, arrive early during busy hours (6-8 a.m. and 3-7 p.m.) to navigate security smoothly.

Read more about BWIby Emily Zemler
ORD

Take the 'L' train for a reliable and cost-effective way to reach downtown Chicago from ORD.

Read more about ORDby Ramsey Qubein
MDW

Use the Orange Line for a quick, 30-minute ride to downtown Chicago from MDW.

Read more about MDWby Ramsey Qubein
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD and MDW

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Emily Zemler

Emily Zemler

Expert on BWI

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Baltimore to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago 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.

Cheapflights Insights

Everything you need to know about your flight from Baltimore to Chicago

How far ahead should I book a flight from Baltimore to Chicago?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to Chicago. Price data was last updated on June 9, 2025.

To ensure you get the cheapest price possible for a flight from Baltimore to Chicago, you should look to book at least 78 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Baltimore to Chicago (average of $245). Flying from Baltimore to Chicago in March is currently the most expensive (average of $321). 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 CHI?

Find hourly flight availability from Baltimore to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 53% on flights from Baltimore to Chicago by exploring options for tickets in the evening.

What is the cheapest day to fly from Baltimore to Chicago?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to Chicago. Price data was last updated on June 8, 2025.

Travelers seeking maximum savings on their Baltimore to Chicago flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Baltimore to Chicago

Explore weekly flight availability from Baltimore to Chicago. 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 junio 12, 2025.

The most flights from BWI to CHI are scheduled on a Thursday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Chicago by month

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

In terms of precipitation, rainfall in Chicago 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 Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

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

If weather is an important factor for your trip to Chicago, 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 Chicago

Get insights into the airlines that provide service to Chicago. 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 Chicago. Reviews last updated junio 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Baltimore to Chicago to help guide your decision. 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
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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.
Sun Country Air
6.9
Okay
345 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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 Baltimore to Chicago. 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 Chicago?

    If you book a flight to Chicago 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. There are 25 flights from Baltimore/Washington to Chicago per day from 6 different airlines.

  • What are the cheapest airlines flying from Baltimore to Chicago round-trip?

    Cheapflights users have booked flights from Baltimore to Chicago round-trip from $118. Other airlines that can offer you cheap pricing are Frontier, from $122, and Southwest, from $139. You may be able to fly from Baltimore to Chicago for 45% less than the average price by searching for these airlines.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $73. Users have also found prices from $73 and $79 on Spirit Airlines and Southwest, respectively.

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

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

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

    No one likes to see their flight delayed. When booking a flight from Baltimore to Chicago consider choosing ANA (96%), Cathay Pacific (88%) or Spirit Airlines (88%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Baltimore to Chicago?

    On average you can expect to pay $977 for a flight from Baltimore to Chicago. The cheapest flight overall is $72 while the most popular route, (Baltimore/Washington - Chicago O'Hare Intl) is currently priced at $98.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Baltimore to Chicago (average of $245). Flying from Baltimore to Chicago in March is currently the most expensive (average of $321). 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

Traveling to a place near Baltimore?

Book flights to Baltimore if you plan to visit one of these locations
Merrillville
Lansing
Benton Harbor
Porter
Hammond
Valparaiso
Chesterton

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Baltimore to Chicago

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 Chicago

Discover the top 6 airlines that operate flights from Baltimore to Chicago. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$55Average$158FlexibilityNo cancel feeOn-time65%
FrontierCheapest$58Average$149FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$284FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$145Average$286FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$155Average$297FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$166Average$294FlexibilityNo cancel feeOn-time63%

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