$75 Cheap Flights from Chicago (MDW) to Baltimore (BWI)

View $75 flight on Wed, Mar 4, 2026Opens in a new window

Popular airlines from Chicago Midway Airport (MDW) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Chicago to Baltimore (MDW-BWI)

Prices were available within the past 7 days and start at $75 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Apr 11 - Wed, Apr 15
MDW
Chicago
BWI
Baltimore
$137 Roundtrip, found 2 days ago
$137
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Apr 11 from Chicago to Baltimore, returning Wed, Apr 15, priced at $137 found 2 days ago
Frontier Airlines
Mon, Feb 23 - Mon, Mar 2
MDW
Chicago
BWI
Baltimore
$154 Roundtrip, found 1 day ago
$154
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Feb 23 from Chicago to Baltimore, returning Mon, Mar 2, priced at $154 found 1 day ago
Southwest Airlines
Sat, Apr 11 - Wed, Apr 15
MDW
Chicago
BWI
Baltimore
$159 Roundtrip, found 2 days ago
$159
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Apr 11 from Chicago to Baltimore, returning Wed, Apr 15, priced at $159 found 2 days ago
Frontier Airlines
Fri, Apr 24 - Mon, Apr 27
MDW
Chicago
BWI
Baltimore
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Apr 24 from Chicago to Baltimore, returning Mon, Apr 27, priced at $160 just found
Frontier Airlines
Wed, Mar 4 - Sat, Mar 7
MDW
Chicago
BWI
Baltimore
$163 Roundtrip, found 5 hours ago
$163
Roundtrip
found 5 hours ago
Select Frontier Airlines flight, departing Wed, Mar 4 from Chicago to Baltimore, returning Sat, Mar 7, priced at $163 found 5 hours ago
Southwest Airlines
Wed, Feb 25 - Wed, Mar 11
MDW
Chicago
BWI
Baltimore
$168 Roundtrip, found 6 days ago
$168
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Wed, Feb 25 from Chicago to Baltimore, returning Wed, Mar 11, priced at $168 found 6 days ago
Frontier Airlines
Wed, Mar 11 - Wed, Mar 18
MDW
Chicago
BWI
Baltimore
$170 Roundtrip, found 2 hours ago
$170
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Wed, Mar 11 from Chicago to Baltimore, returning Wed, Mar 18, priced at $170 found 2 hours ago
Frontier Airlines
Wed, Feb 25 - Wed, Mar 11
MDW
Chicago
BWI
Baltimore
$173 Roundtrip, found 6 days ago
$173
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Wed, Feb 25 from Chicago to Baltimore, returning Wed, Mar 11, priced at $173 found 6 days ago
Frontier Airlines
Thu, May 7 - Sun, May 10
MDW
Chicago
BWI
Baltimore
$174 Roundtrip, found 7 hours ago
$174
Roundtrip
found 7 hours ago
Select Frontier Airlines flight, departing Thu, May 7 from Chicago to Baltimore, returning Sun, May 10, priced at $174 found 7 hours ago
Delta
Wed, Mar 4 - Thu, Mar 5
MDW
Chicago
BWI
Baltimore
$199 Roundtrip, found 1 day ago
$199
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Mar 4 from Chicago to Baltimore, returning Thu, Mar 5, priced at $199 found 1 day ago

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Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Average driving time to city center is 57 minutes. Flights from $310
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $310

Find the cheapest month to fly from Chicago (MDW) to Baltimore (BWI)

February is typically the cheapest month to fly

From $62 - $298 per traveler.
Flights from Chicago (MDW) to Baltimore (BWI)
Origin airport
Midway Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Delta, Frontier Airlines, Southwest Airlines
Roundtrip price
$136
Distance
608 mi
Average flight time
2 hours 47 mins

Chicago to Baltimore Flights

The cheapest times to fly from Chicago to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chicago to Baltimore are during the month of April. You can find some of the cheapest flights from Chicago to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chicago to Baltimore

Sunday is one of the best days to book for cheap flights from Chicago to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chicago to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chicago to Baltimore in 2026. You can also book with separate airlines for your outbound and return journeys, from $75 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chicago to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chicago to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
You can find cheap one-way flights from $75 and cheap return flights from $137 Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) with Expedia. One-way flights generally range between $151 and $475, and roundtrip flights usually range from $274 to $743. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
February is the cheapest month to fly from Chicago, IL to Baltimore, MD, with average return fares around $226. This is about 27% lower than the average price throughout the year, as travel demand is generally lower during this time. Other budget-friendly months include May and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Enter MDW to BWI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Frontier Airlines is one of the cheapest airlines offering connecting flights from Chicago (MDW) to Baltimore (BWI), with round-trip tickets starting from around $370 with a layover in an unspecified location. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best airline to fly with from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will differ from traveler to traveler. If you like to fly early, Frontier Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. WN offers the most daily flights from MDW to BWI, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
For your journey from Chicago, IL (MDW) to Baltimore, MD (BWI), February and May are the best months to fly. Return flights during these months average around $226, making it an affordable choice. February typically sees lower travel demand, while May brings pleasant spring weather, enhancing your travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You can find approximately 5 nonstop flights per day from Midway Intl. (MDW) to Baltimore Washington Intl. Thurgood Marshall (BWI). For more options, look at flights that include layovers.
What is the earliest flight from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from Chicago Midway International Airport (MDW) to Baltimore Washington International Thurgood Marshall Airport (BWI) typically departs at around 5:00 AM, operated by Southwest Airlines. An early departure like this allows you to make the most of your day in Baltimore. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The most popular departure times for flights from Chicago Midway International Airport (MDW) to Baltimore Washington International Thurgood Marshall (BWI) are in the late morning, from 9am to noon. About 31% of passengers prefer this time window. Many major carriers, including Southwest Airlines, offer flights during this window. This timing works well because it allows you to start your day in Chicago and arrive in Baltimore with plenty of time to explore.
How long does it take to fly from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Flying nonstop from MDW to BWI takes around 1 hour 50 minutes, with the route covering approximately 609 miles. Flights with a layover typically take 4 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
First class seats are offered on the MDW to BWI route with Delta Air Lines.
How do I earn miles on a Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia?
It's easy to earn miles on a Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Baltimore from Midway Intl. (MDW)?
From Midway Intl. (MDW), you can fly into Baltimore Washington Intl. Thurgood Marshall (BWI) to reach Baltimore. Some flights may connect through major hubs like Nashville Intl. (BNA), Lambert-St. Louis Intl. (STL), Birmingham Intl. (BHM) before reaching Baltimore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute?
Typically, booking a last minute flight from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package?
Securing a Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) Baltimore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your Chicago, IL (MDW-Midway Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

*Flight schedules are subject to change.

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*Available to One Key members.