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$49+ Cheap flights from Chicago (CHI) to Baltimore (BWI)

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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BWI
Oct 29 — Nov 51
Wed 10/29
Wed 11/5
1 adult, Economy
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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Chicago to Baltimore/Washington are usually found in September or August, booked 69 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Chicago to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Baltimore (BWI). 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 September 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$89
(Priceline)

One-way from

$49
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$173
Provider with most accurate pricing for Chicago (CHI)-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Baltimore/Washington flights.
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From Chicago (CHI) to Baltimore/Washington
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One-way flight from Chicago (CHI) to Baltimore/Washington
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Highest demand for flights based on searches. 8% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Chicago to Baltimore

Cheapest flights from Chicago to Baltimore
Explore the most affordable flight options available from Chicago to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 29, 2025.

This Priceline deal was found by Cheapflights users on 9/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1812:30 pmMDW - BWI
Nonstop1h 57mFrontier
Mon 10/207:54 pmBWI - MDW
Nonstop2h 06mFrontier
Deal found 9/28$89
This Trip.com deal was found by Cheapflights users on 9/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/1612:30 pmMDW - BWI
Nonstop1h 57mFrontier
Mon 10/207:54 pmBWI - MDW
Nonstop2h 06mFrontier
Deal found 9/27$90
This Cheapflightsfares deal was found by Cheapflights users on 9/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:04 pmORD - BWI
Nonstop2h 03mFrontier
Sun 11/164:09 pmBWI - ORD
Nonstop2h 16mFrontier
Deal found 9/29$90
This Priceline deal was found by Cheapflights users on 9/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:47 pmMDW - BWI
Nonstop1h 55mFrontier
Sun 11/99:21 amBWI - MDW
Nonstop2h 05mFrontier
Deal found 9/28$96
This CheapOair deal was found by Cheapflights users on 9/27. 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.
Fri 12/125:15 amORD - BWI
Nonstop2h 02mFrontier
Sun 12/149:12 amBWI - ORD
Nonstop2h 24mFrontier
Deal found 9/27$96
This CheapOair deal was found by Cheapflights users on 9/27. 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.
Mon 10/61:49 pmMDW - BWI
Nonstop2h 01mFrontier
Sat 10/114:12 pmBWI - MDW
Nonstop2h 01mFrontier
Deal found 9/27$99
This Cheapflightsfares deal was found by Cheapflights users on 9/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/137:56 pmORD - BWI
Nonstop1h 58mSpirit Airlines
Sun 11/165:44 pmBWI - ORD
Nonstop2h 17mSpirit Airlines
Deal found 9/27$99
This CheapOair deal was found by Cheapflights users on 9/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/174:12 pmMDW - BWI
Nonstop1h 56mFrontier
Thu 10/307:25 pmBWI - MDW
Nonstop2h 06mFrontier
Deal found 9/28$100
This Priceline deal was found by Cheapflights users on 9/27. 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.
Thu 12/47:56 pmORD - BWI
Nonstop1h 58mMultiple Airlines
Mon 12/89:12 amBWI - ORD
Nonstop2h 24mMultiple Airlines
Deal found 9/27$100
This Cheapflightsfares deal was found by Cheapflights users on 9/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:30 pmMDW - BWI
Nonstop1h 57mFrontier
Sat 10/114:12 pmBWI - MDW
Nonstop2h 01mFrontier
Deal found 9/28$101
This Trip.com deal was found by Cheapflights users on 9/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/274:12 pmMDW - BWI
Nonstop1h 56mFrontier
Mon 11/37:25 pmBWI - MDW
Nonstop2h 06mFrontier
Deal found 9/27$102
This Mytrip deal was found by Cheapflights users on 9/27. 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.
Thu 10/3011:11 amORD - BWI
Nonstop2h 03mFrontier
Mon 11/34:09 pmBWI - ORD
Nonstop2h 16mFrontier
Deal found 9/27$103

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Baltimore 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 September 29, 2025.
Use the filters below to find and compare flights from Chicago to Baltimore that are best for you.

Fly from

Chicago

Fly to

Baltimore

Route

Depart

Return

Price

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 10/25

12:30 pm-3:27 pm

Nonstop1h 57m

Baltimore/Washington

Sun 10/26

10:00 pm-4:09 pm

1 stop19h 09m

$117

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Wed 10/22

5:55 pm-8:45 pm

Nonstop1h 50m

Baltimore/Washington

Wed 10/29

1:25 pm-2:25 pm

Nonstop2h 00m

$149

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 10/22

11:05 am-2:08 pm

Nonstop2h 03m

Baltimore/Washington

Wed 10/29

6:15 am-7:31 am

Nonstop2h 16m

$149

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Mon 12/15

6:55 pm-9:45 pm

Nonstop1h 50m

Baltimore/Washington

Wed 12/17

8:55 am-10:10 am

Nonstop2h 15m

$158

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 12/3

2:30 pm-5:25 pm

Nonstop1h 55m

Baltimore/Washington

Sun 12/7

10:20 am-11:28 am

Nonstop2h 08m

$158

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Wed 12/3

6:55 pm-9:45 pm

Nonstop1h 50m

Baltimore/Washington

Sun 12/7

7:45 am-8:50 am

Nonstop2h 05m

$158

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Sat 11/1

2:20 pm-5:14 pm

Nonstop1h 54m

Baltimore/Washington

Mon 11/3

6:15 am-7:31 am

Nonstop2h 16m

$158

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 11/8

8:40 am-11:30 am

Nonstop1h 50m

Baltimore/Washington

Sun 11/9

7:45 am-8:50 am

Nonstop2h 05m

$158

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 10/28

2:20 pm-5:14 pm

Nonstop1h 54m

Baltimore/Washington

Mon 11/3

6:15 am-7:31 am

Nonstop2h 16m

$158

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Wed 10/22

7:40 pm-10:30 pm

Nonstop1h 50m

Baltimore/Washington

Sat 10/25

7:55 pm-8:55 pm

Nonstop2h 00m

$159

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/27

Showing 1-10 of 40 results
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Compare providers for flights from Chicago to Baltimore

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 Chicago to Baltimore in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 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 Chicago-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub 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 Chicago-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Chicago to Baltimore 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 Chicago to Baltimore trip
Airlines
Frontier

Frontier offers ultra-low fares, but remember to account for extra fees when booking.


Consider early check-in to secure your seat, as Frontier often overbooks flights.

Read more about Frontierby Marisa Garcia
Southwest

Enjoy free snacks and non-alcoholic beverages, plus a free drink on special occasions.


Southwest offers free messaging and high-speed Wi-Fi for a fee on flights.

Read more about Southwestby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom, ideal for comfort on short domestic flights.


United's MileagePlus program allows pooling miles, great for family travel.

Read more about United Airlinesby Harriet Baskas
Airports
ORD

ORD's Terminal 1 is home to United flights and features a unique dinosaur skeleton display.

Read more about ORDby Ramsey Qubein
MDW

Use the Orange Line for a quick 30-minute ride from MDW to Chicago's city center.

Read more about MDWby Ramsey Qubein
BWI

Take the MTA Light Rail from BWI to downtown Baltimore for a quick and easy arrival option.

Read more about BWIby Emily Zemler
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

Best time to book a flight from Chicago to Baltimore

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

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

Use this chart to determine the optimal time to book a round-trip flight from Chicago to Baltimore. Price data was last updated on September 26, 2025.

The price you pay for your flight from Chicago to Baltimore may vary depending on when you book. For the best chance of a lower fare, look to book 69 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Chicago to Baltimore (average of $241). Flying from Chicago to Baltimore 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 CHI to BWI?

Find hourly flight availability from Chicago to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 29, 2025.

When flying from Chicago to Baltimore, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 26% versus a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Chicago to Baltimore. Price data was last updated on September 28, 2025.

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

Weekly flight availability from Chicago to Baltimore

Explore weekly flight availability from Chicago to Baltimore. 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 September 29, 2025.

The most flights from CHI to BWI are scheduled on a Monday (34 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (8 on average).

How much does it cost to fly round-trip from Chicago to Baltimore?

Reviews of airlines servicing Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated September 29, 2025.
Read through reviews of airlines operating flights from Chicago to Baltimore, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
Spirit Airlines
6.3
Okay
8,056 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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
Frontier
5.8
Fair
3,157 reviews
Southwest
8.0
Very good
4,245 reviews

Comfort

8.0

Entertainment

7.5

Boarding

8.1

Crew

8.6

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 Chicago to Baltimore. 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 into for flights to Baltimore from Chicago?

    For a flight from Chicago to Baltimore, you will be flying into Baltimore/Washington. Baltimore/Washington (BWI) is just 8.5 mi from the center of the city. Baltimore/Washington is the only Baltimore airport and it handles 20 inbound flights from Chicago per day. 5 airlines have flights to Baltimore/Washington from Chicago on a regular basis.

  • How long is the flight from Chicago to Baltimore?

    There are many flights that can get you from Chicago to Baltimore in 1h 50m. Fly via Frontier, Southwest, or United Airlines to get the fastest option. The distance from Chicago to Baltimore is about 609 mi. All flights are typically nonstop.

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

    Our cheapest airline available from Chicago to Baltimore is Spirit Airlines. Our recent data shows that you can find tickets from as low as $45 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $74 and $127 round-trip. Users have found that Spirit Airlines is 80% cheaper than the other options available to this destination.

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

    For one-way options, check prices for Southwest. According to our data, you can fly for as low as $70. Users have also found prices from $70 and $70 on United Airlines and American Airlines, respectively.

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

    The top 3 most reliable airlines when flying from Chicago to Baltimore are Republic Airways (83%), American Airlines (78%) and Envoy Air (78%).

  • What are the cheapest flights from Chicago to Baltimore?

    Looking for the cheapest flight from Chicago to Baltimore? While on average our users pay $217, our data indicates the cheapest price to be $42. The most popular route (Chicago O'Hare Intl - Baltimore/Washington), is priced around $90.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Chicago to Baltimore (average of $241). Flying from Chicago to Baltimore 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 Chicago to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Reagan-National flights
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Top 5 airlines flying from Chicago to Baltimore

Discover the top 5 airlines that operate flights from Chicago to Baltimore. 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 September 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$145FlexibilityNo cancel feeOn-time65%
FrontierCheapest$74Average$159FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$127Average$275FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$150Average$291FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$151Average$275FlexibilityNo cancel feeOn-time63%

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