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$64+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BWI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Baltimore/Washington are usually found in July or August, booked 62 days in advance, depart on a Wednesday or Friday 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 June 12, 2025.

Round-trip from

$108
(CheapOair)

One-way from

$64
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$242
From Chicago (CHI) to Baltimore/Washington
Search Deals
One-way flight from Chicago (CHI) to Baltimore/Washington
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Highest demand for flights based on searches. 9% potential increase in price ($24 potential increase over avg. RT price).
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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 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 June 12, 2025.

This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/92:48 pmMDW - BWI
Nonstop1h 58mFrontier
Mon 7/144:32 pmBWI - MDW
Nonstop2h 04mFrontier
Deal found 6/10$108
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/314:37 pmORD - BWI
Nonstop1h 54mSpirit Airlines
Sun 8/38:26 pmBWI - ORD
Nonstop2h 23mSpirit Airlines
Deal found 6/10$110
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.
Fri 8/291:15 pmORD - BWI
Nonstop2h 06mFrontier
Sun 8/315:06 pmBWI - ORD
Nonstop2h 22mFrontier
Deal found 6/12$115
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/104:37 pmORD - BWI
Nonstop1h 54mMultiple Airlines
Mon 7/1411:36 amBWI - ORD
Nonstop2h 22mMultiple Airlines
Deal found 6/11$126
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.
Wed 8/611:45 amMDW - BWI
Nonstop1h 50mSouthwest
Tue 8/121:25 pmBWI - MDW
Nonstop1h 55mSouthwest
Deal found 6/10$139
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/67:00 amORD - BWI
Nonstop2h 03mUnited Airlines
Wed 8/1310:59 amBWI - ORD
Nonstop2h 15mUnited Airlines
Deal found 6/10$139
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.
Wed 7/21:50 pmORD - BWI
Nonstop2h 00mSouthwest
Fri 7/411:55 amBWI - ORD
Nonstop2h 10mSouthwest
Deal found 6/10$159
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:20 pmMDW - BWI
1 stop3h 58mDelta
Sun 7/206:00 amBWI - MDW
1 stop3h 44mDelta
Deal found 6/11$197
This Delta deal was found by Cheapflights users on 6/9. 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.
Thu 8/2811:05 amORD - BWI
1 stop5h 31mDelta
Tue 9/26:00 amBWI - ORD
1 stop5h 20mDelta
Deal found 6/9$197
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/18:20 amORD - BWI
Nonstop1h 56mAmerican Airlines
Tue 7/13:19 pmBWI - ORD
1 stop4h 54mAmerican Airlines
Deal found 6/10$208

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 June 12, 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

Wed 7/9

2:48 pm-5:46 pm

Nonstop1h 58m

Baltimore/Washington

Mon 7/14

4:32 pm-5:36 pm

Nonstop2h 04m

$108

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 7/31

4:37 pm-7:31 pm

Nonstop1h 54m

Baltimore/Washington

Sun 8/3

8:26 pm-9:49 pm

Nonstop2h 23m

$110

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 8/29

1:15 pm-4:21 pm

Nonstop2h 06m

Baltimore/Washington

Sun 8/31

5:06 pm-6:28 pm

Nonstop2h 22m

$115

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 7/10

4:37 pm-7:31 pm

Nonstop1h 54m

Baltimore/Washington

Mon 7/14

11:36 am-12:58 pm

Nonstop2h 22m

$126

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Wed 8/6

11:45 am-2:35 pm

Nonstop1h 50m

Baltimore/Washington

Tue 8/12

1:25 pm-2:20 pm

Nonstop1h 55m

$139

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 8/6

7:00 am-10:03 am

Nonstop2h 03m

Baltimore/Washington

Wed 8/13

10:59 am-12:14 pm

Nonstop2h 15m

$139

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 7/8

1:50 pm-4:50 pm

Nonstop2h 00m

Baltimore/Washington

Tue 7/15

10:35 am-11:50 am

Nonstop2h 15m

$158

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Tue 7/15

6:20 pm-11:18 pm

1 stop3h 58m

Baltimore/Washington

Sun 7/20

6:00 am-8:44 am

1 stop3h 44m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 8/28

11:05 am-5:36 pm

1 stop5h 31m

Baltimore/Washington

Tue 9/2

6:00 am-10:20 am

1 stop5h 20m

$197

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 7/1

8:20 am-11:16 am

Nonstop1h 56m

Baltimore/Washington

Tue 7/1

3:19 pm-7:13 pm

1 stop4h 54m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 21 results
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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
Southwest

Enjoy free snacks and non-alcoholic drinks on board, enhancing your short-haul flight experience.


Two free checked bags included with Southwest's basic fare, perfect for budget-conscious travelers.

Read more about Southwestby Marisa Garcia
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
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 Southwest and 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 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 June 9, 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 50 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 June 12, 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 20% 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 June 8, 2025.

Travelers seeking maximum savings on their Chicago to Baltimore flight should consider departing on Wednesday evenings 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 June 12, 2025.

The most flights from CHI to BWI are scheduled on a Monday (39 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

Rainfall in Baltimore by month

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

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

Temperature in Baltimore by month

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

If weather is an important factor for your trip to Baltimore, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing 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 June 12, 2025.
Read reviews from past customers who have flown Southwest, Delta and United Airlines from Chicago to Baltimore. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Overall

8.0

Entertainment

7.6

Food

7.1

Boarding

8.2

Comfort

8.0

Crew

8.6

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 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 25 inbound flights from Chicago per day. 6 airlines have flights to Baltimore/Washington from Chicago on a regular basis.

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

    Our cheapest airline available from Chicago to Baltimore is Frontier. Our recent data shows that you can find tickets from as low as $108 on this airline. Additional options worth looking into are Spirit Airlines and Southwest, starting at $110 and $139 round-trip. Users have found that Frontier is 54% 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 Spirit Airlines. According to our data, you can fly for as low as $64. Users have also found prices from $67 and $70 on Frontier and Southwest, 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 (100%), United Airlines (87%) and Air New Zealand (81%).

  • What are the cheapest flights from Chicago to Baltimore?

    Looking for the cheapest flight from Chicago to Baltimore? While on average our users pay $275, our data indicates the cheapest price to be $46. The most popular route (Chicago O'Hare Intl - Baltimore/Washington), is priced around $100.

  • 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.
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Top 6 airlines flying from Chicago to Baltimore

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$38Average$174FlexibilityNo cancel feeOn-time65%
FrontierCheapest$63Average$171FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$123Average$280FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$142Average$275FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$154Average$288FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$256FlexibilityNo cancel feeOn-timeN/A

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