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$69+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — BWI
mars 31 — avr. 71
lun. 3/31
lun. 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Chicago to Baltimore/Washington are usually found in August or September, booked 69 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 mars 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$154
(Mytrip)

One-way from

$69
(Frontier)

Popular in

March

Cheapest in

August

Average price

$298
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. 2% potential increase in price ($5 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 March 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 mars 26, 2025.

This Mytrip deal was found by Cheapflights users on 3/24. 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.
lun. 4/147:47 pmORD - BWI
3 stops28h 12mSpirit Airlines
jeu. 4/245:55 amBWI - ORD
2 stops28h 29mSpirit Airlines
Deal found 3/24$154
This Frontier deal was found by Cheapflights users on 3/25. 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.
mer. 4/91:05 pmMDW - BWI
Nonstop1h 50mFrontier
ven. 4/114:43 pmBWI - MDW
Nonstop2h 06mFrontier
Deal found 3/25$159
This United Airlines deal was found by Cheapflights users on 3/24. 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.
mar. 5/136:30 pmORD - BWI
Nonstop2h 07mUnited Airlines
mar. 5/205:18 pmBWI - ORD
Nonstop2h 17mUnited Airlines
Deal found 3/24$159
This American Airlines deal was found by Cheapflights users on 3/24. 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.
mar. 5/137:04 pmORD - BWI
Nonstop2h 01mAmerican Airlines
mar. 5/207:26 amBWI - ORD
Nonstop2h 17mAmerican Airlines
Deal found 3/24$160
This Southwest deal was found by Cheapflights users on 3/25. 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.
mer. 4/166:20 amMDW - BWI
Nonstop1h 45mSouthwest
mar. 4/226:40 amBWI - MDW
Nonstop2h 05mSouthwest
Deal found 3/25$177
This Southwest deal was found by Cheapflights users on 3/25. 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.
mer. 4/161:50 pmORD - BWI
Nonstop1h 55mSouthwest
mer. 4/236:15 amBWI - ORD
1 stop7h 30mSouthwest
Deal found 3/25$187
This Delta deal was found by Cheapflights users on 3/25. 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.
mer. 5/219:00 amORD - BWI
1 stop6h 23mDelta
lun. 5/265:40 amBWI - ORD
1 stop5h 23mDelta
Deal found 3/25$197
This Delta deal was found by Cheapflights users on 3/25. 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.
jeu. 5/89:20 amMDW - BWI
1 stop6h 03mDelta
dim. 5/119:55 amBWI - MDW
1 stop3h 33mDelta
Deal found 3/25$207
This Priceline deal was found by Cheapflights users on 3/25. 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.
mer. 4/163:32 pmORD - BWI
1 stop8h 27mMultiple Airlines
dim. 4/201:27 pmBWI - ORD
1 stop8h 50mMultiple Airlines
Deal found 3/25$210
This Frontier deal was found by Cheapflights users on 3/25. 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.
mar. 4/15:56 pmORD - BWI
1 stop5h 44mFrontier
dim. 4/69:56 pmBWI - ORD
1 stop11h 48mFrontier
Deal found 3/25$238
This Sun Country Air deal was found by Cheapflights users on 3/24. 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.
jeu. 11/67:20 pmORD - BWI
1 stop15h 03mSun Country Air
dim. 11/912:20 pmBWI - ORD
1 stop5h 48mSun Country Air
Deal found 3/24$265
This Mytrip deal was found by Cheapflights users on 3/25. 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.
ven. 6/138:36 pmMDW - BWI
2 stops15h 20mMultiple Airlines
dim. 6/1511:23 amBWI - MDW
1 stop4h 42mMultiple Airlines
Deal found 3/25$311

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 mars 26, 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

ORD - BWI

ORDBWI

Chicago O'Hare Intl

lun. 4/14

7:47 pm-12:59 am

3 stops28h 12m

Baltimore/Washington

jeu. 4/24

5:55 am-9:24 am

2 stops28h 29m

$154

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

mer. 4/9

1:05 pm-3:55 pm

Nonstop1h 50m

Baltimore/Washington

ven. 4/11

4:43 pm-5:49 pm

Nonstop2h 06m

$159

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mar. 5/13

6:30 pm-9:37 pm

Nonstop2h 07m

Baltimore/Washington

mar. 5/20

5:18 pm-6:35 pm

Nonstop2h 17m

$159

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mar. 5/13

7:04 pm-10:05 pm

Nonstop2h 01m

Baltimore/Washington

mar. 5/20

7:26 am-8:43 am

Nonstop2h 17m

$160

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

mer. 4/16

6:20 am-9:05 am

Nonstop1h 45m

Baltimore/Washington

mar. 4/22

6:40 am-7:45 am

Nonstop2h 05m

$177

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mer. 4/16

1:50 pm-4:45 pm

Nonstop1h 55m

Baltimore/Washington

mer. 4/23

6:15 am-12:45 pm

1 stop7h 30m

$187

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mer. 5/21

9:00 am-4:23 pm

1 stop6h 23m

Baltimore/Washington

lun. 5/26

5:40 am-10:03 am

1 stop5h 23m

$197

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

jeu. 5/8

9:20 am-4:23 pm

1 stop6h 03m

Baltimore/Washington

dim. 5/11

6:00 am-8:40 am

1 stop3h 40m

$207

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

mer. 4/16

3:32 pm-12:59 am

1 stop8h 27m

Baltimore/Washington

dim. 4/20

1:27 pm-9:17 pm

1 stop8h 50m

$210

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

dim. 4/6

6:45 am-11:27 am

1 stop27h 42m

Baltimore/Washington

lun. 4/7

4:12 pm-8:27 am

1 stop17h 15m

$240

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 23 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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*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
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
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
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

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 March 21, 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 mars 26, 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 in the afternoon, which can drop the price by up to 22% 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 March 23, 2025.

Travelers seeking maximum savings on their Chicago to Baltimore flight should consider departing on Saturday afternoons 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 mars 26, 2025.

The most flights from CHI to BWI are scheduled on a Monday (29 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 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 mars 26, 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
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,891 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,608 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Sun Country Air
6.9
Okay
348 reviews
Southwest
8.1
Very good
4,273 reviews

Boarding

8.2

Entertainment

7.6

Overall

8.1

Comfort

8.1

Crew

8.6

Food

7.1

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 18 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 Spirit Airlines. Our recent data shows that you can find tickets from as low as $154 on this airline. Additional options worth looking into are Frontier and United Airlines, starting at $159 and $159 round-trip. Users have found that Spirit Airlines is 36% 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 Frontier. According to our data, you can fly for as low as $69. Users have also found prices from $76 and $79 on Spirit Airlines 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 Southwest (96%), United Airlines (94%) and Air New Zealand (90%).

  • What are the cheapest flights from Chicago to Baltimore?

    Looking for the cheapest flight from Chicago to Baltimore? While on average our users pay $377, our data indicates the cheapest price to be $79. The most popular route (Chicago O'Hare Intl - Baltimore/Washington), is priced around $104.

  • 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 Baltimore flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Reagan-National flights
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Bloomington to Baltimore flights
Bloomington to Reagan-National flights
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Springfield to Reagan-National flights
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Evansville to Reagan-National flights
Evansville to Baltimore flights
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Champaign to Dulles Intl flights
Bloomington to Philadelphia flights
St. Louis to Salisbury flights
Dubuque to Philadelphia flights
Moline to Salisbury flights
Dubuque to Baltimore flights
Dubuque to Reagan-National flights

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 mars 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$67Average$156FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$119Average$272FlexibilityNo cancel feeOn-time71%
Spirit AirlinesCheapest$135Average$174FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$139Average$277FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$172Average$292FlexibilityNo cancel feeOn-time69%
DeltaCheapest$176Average$266FlexibilityNo cancel feeOn-timeN/A
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