Chicago

$57+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — CHI
Nov 28 — Dec 51
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to Chicago 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.

Cheapflights Tip: The best prices from Baltimore/Washington to Chicago are usually found in September or January, booked 84 days in advance, depart on a Friday or Thursday and return on a Friday

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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/99:21 amBWI - MDW
Nonstop2h 05mFrontier
Thu 11/136:30 amMDW - BWI
1 stop7h 50mFrontier
Deal found 10/27$117
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/123:36 pmBWI - ORD
Nonstop2h 18mFrontier
Tue 12/164:22 pmORD - BWI
1 stop7h 02mFrontier
Deal found 10/28$117
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Tue 11/189:36 pmBWI - ORD
1 stop13h 11mMultiple Airlines
Wed 11/1912:37 pmORD - BWI
1 stop4h 52mMultiple Airlines
Deal found 10/29$118
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Fri 12/53:36 pmBWI - ORD
Nonstop2h 18mMultiple Airlines
Sun 12/712:09 pmORD - BWI
1 stop11h 14mMultiple Airlines
Deal found 10/27$119
This Frontier deal was found by Cheapflights users on 10/27. 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.
Fri 12/53:36 pmBWI - ORD
Nonstop2h 18mFrontier
Sun 12/79:47 amORD - BWI
1 stop9h 05mFrontier
Deal found 10/27$120
This Frontier deal was found by Cheapflights users on 10/27. 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.
Mon 11/34:09 pmBWI - ORD
Nonstop2h 16mFrontier
Mon 11/1712:04 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 10/27$121
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:25 pmBWI - MDW
Nonstop2h 06mFrontier
Mon 11/173:40 pmMDW - BWI
Nonstop1h 55mFrontier
Deal found 10/28$122
This CheapOair deal was found by Cheapflights users on 10/27. 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.
Thu 11/133:58 pmBWI - ORD
Nonstop2h 16mFrontier
Fri 11/1412:04 pmORD - BWI
Nonstop2h 03mFrontier
Deal found 10/27$122
This Kiwi.com deal was found by Cheapflights users on 10/27. 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.
Sun 11/94:09 pmBWI - ORD
Nonstop2h 16mFrontier
Tue 11/1112:37 pmORD - BWI
1 stop4h 52mFrontier
Deal found 10/27$123
This Frontier deal was found by Cheapflights users on 10/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:49 amBWI - ORD
1 stop6h 45mFrontier
Wed 11/264:15 pmORD - BWI
Nonstop1h 59mFrontier
Deal found 10/28$124
This Priceline deal was found by Cheapflights users on 10/29. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:25 pmBWI - MDW
Nonstop2h 06mFrontier
Sat 11/156:15 amMDW - BWI
1 stop8h 20mFrontier
Deal found 10/29$125
This Priceline deal was found by Cheapflights users on 10/27. 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 11/147:25 pmBWI - MDW
Nonstop2h 06mFrontier
Mon 11/173:40 pmMDW - BWI
Nonstop1h 55mFrontier
Deal found 10/27$126

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 October 29, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$117
(Kiwi.com)

One-way from

$57
(Cheapflightsfares)

Popular in

March

Cheapest in

September

Average price

$242
Provider with most accurate pricing for Baltimore/Washington-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Baltimore/Washington-Chicago (CHI) flights.
From Baltimore/Washington to Chicago (CHI)
One-way flight from Baltimore/Washington to Chicago (CHI)
Highest demand for flights based on searches. 10% potential increase in price ($25 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 October 29, 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 - MDW

BWIMDW

Baltimore/Washington

Thu 2/5

10:55 am-12:05 pm

Nonstop2h 10m

Chicago Midway

Mon 2/9

7:05 pm-9:55 pm

Nonstop1h 50m

$139

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Thu 1/8

4:20 pm-6:35 pm

1 stop3h 15m

Chicago Midway

Sat 1/10

5:40 pm-8:30 pm

Nonstop1h 50m

$154

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 11/19

4:45 pm-5:50 pm

Nonstop2h 05m

Chicago Midway

Wed 11/19

6:55 pm-9:45 pm

Nonstop1h 50m

$159

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 1/17

6:15 am-12:15 pm

1 stop7h 00m

Chicago O'Hare Intl

Sun 1/18

11:55 am-8:35 pm

1 stop7h 40m

$169

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 12/31

11:20 am-2:05 pm

1 stop3h 45m

Chicago Midway

Thu 1/1

6:55 pm-9:45 pm

Nonstop1h 50m

$175

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 12/31

6:00 am-8:49 am

1 stop3h 49m

Chicago Midway

Thu 1/1

6:00 am-12:55 pm

1 stop5h 55m

$177

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sun 12/7

10:20 am-11:28 am

Nonstop2h 08m

Chicago O'Hare Intl

Thu 12/11

6:09 pm-9:08 pm

Nonstop1h 59m

$177

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Sun 1/18

6:00 am-8:54 am

1 stop3h 54m

Chicago Midway

Mon 1/19

6:17 pm-12:45 am

1 stop5h 28m

$177

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 12/3

5:18 pm-6:26 pm

Nonstop2h 08m

Chicago O'Hare Intl

Sat 12/6

2:30 pm-5:24 pm

Nonstop1h 54m

$177

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Mon 11/24

6:00 am-10:01 am

1 stop5h 01m

Chicago O'Hare Intl

Thu 11/27

11:19 am-5:17 pm

1 stop4h 58m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 50 results
1
2
3
...
5

Compare providers for flights from Baltimore to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to Chicago in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-Chicago flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Baltimore-Chicago flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Baltimore-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-Chicago flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Baltimore-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 October 24, 2025.

To ensure you get the cheapest price possible for a flight from Baltimore to Chicago, you should look to book at least 84 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, March is the cheapest month in which you can book a flight from Baltimore to Chicago (average of $50). Flying from Baltimore to Chicago in June is currently the most expensive (average of $132). 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 October 29, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 64% 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 October 26, 2025.

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

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
Southwest

Southwest offers free snacks and non-alcoholic beverages, enhancing the short flight experience.


Southwest’s Early Bird check-in gives priority boarding, ideal for business travelers.

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.

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 and Southwest

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

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 October 29, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Baltimore to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Overall

8.0

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 17 flights from Baltimore/Washington to Chicago per day from 6 different airlines.

  • How long is the flight from Baltimore to Chicago?

    Southwest, Delta, and United Airlines can get you from Baltimore to Chicago in just under 2h 08m. Your travel time can differ by up to 2h 53m. Airlines will cover a distance of 620 mi. This flight may include one or multiple stops.

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

    Cheapflights users have booked flights from Baltimore to Chicago round-trip from $52. Other airlines that can offer you cheap pricing are Frontier, from $68, and Delta, from $98. You may be able to fly from Baltimore to Chicago for 76% 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 $68. Users have also found prices from $70 and $70 on Southwest and United Airlines, respectively.

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

  • 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 Sun Country Air (100%), Spirit Airlines (100%) or Southwest (92%) 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 $689 for a flight from Baltimore to Chicago. The cheapest flight overall is $49 while the most popular route, (Baltimore/Washington - Chicago O'Hare Intl) is currently priced at $77.

  • 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, March is the cheapest month in which you can book a flight from Baltimore to Chicago (average of $50). Flying from Baltimore to Chicago in June is currently the most expensive (average of $132). 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 Chicago?

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

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 Baltimore to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$52Average$124FlexibilityNo cancel feeOn-time65%
FrontierCheapest$68Average$169FlexibilityNo cancel feeOn-time62%
DeltaCheapest$98Average$328FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$157Average$293FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$158Average$307FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$166Average$312FlexibilityNo cancel feeOn-time71%

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.