$59 Cheap Flights from Chicago (MDW) to Baltimore (BWI)

View $59 flight on Mon, Aug 11, 2025Opens 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 $59 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sun, Sep 14 - Sun, Sep 21
MDW
Chicago
BWI
Baltimore
$100 Roundtrip, found 6 days ago
$100
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sun, Sep 14 from Chicago to Baltimore, returning Sun, Sep 21, priced at $100 found 6 days ago
Frontier Airlines
Wed, Jul 30 - Wed, Aug 13
MDW
Chicago
BWI
Baltimore
$107 Roundtrip, found 1 day ago
$107
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jul 30 from Chicago to Baltimore, returning Wed, Aug 13, priced at $107 found 1 day ago
Frontier Airlines
Fri, Aug 1 - Tue, Aug 5
MDW
Chicago
BWI
Baltimore
$116 Roundtrip, found 6 days ago
$116
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Fri, Aug 1 from Chicago to Baltimore, returning Tue, Aug 5, priced at $116 found 6 days ago
Frontier Airlines
Wed, Aug 6 - Mon, Aug 11
MDW
Chicago
BWI
Baltimore
$117 Roundtrip, found 17 hours ago
$117
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Wed, Aug 6 from Chicago to Baltimore, returning Mon, Aug 11, priced at $117 found 17 hours ago
Southwest Airlines
Thu, Sep 4 - Tue, Sep 9
MDW
Chicago
BWI
Baltimore
$117 Roundtrip, found 2 hours ago
$117
Roundtrip
found 2 hours ago
Select Southwest Airlines flight, departing Thu, Sep 4 from Chicago to Baltimore, returning Tue, Sep 9, priced at $117 found 2 hours ago
Frontier Airlines
Mon, Jul 28 - Mon, Aug 4
MDW
Chicago
BWI
Baltimore
$120 Roundtrip, found 23 hours ago
$120
Roundtrip
found 23 hours ago
Select Frontier Airlines flight, departing Mon, Jul 28 from Chicago to Baltimore, returning Mon, Aug 4, priced at $120 found 23 hours ago
Frontier Airlines
Wed, Jul 30 - Wed, Aug 13
MDW
Chicago
BWI
Baltimore
$122 Roundtrip, found 1 day ago
$122
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Jul 30 from Chicago to Baltimore, returning Wed, Aug 13, priced at $122 found 1 day ago
Frontier Airlines
Mon, Aug 25 - Wed, Aug 27
MDW
Chicago
BWI
Baltimore
$123 Roundtrip, found 21 hours ago
$123
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Mon, Aug 25 from Chicago to Baltimore, returning Wed, Aug 27, priced at $123 found 21 hours ago
Southwest Airlines
Fri, Aug 8 - Tue, Aug 12
MDW
Chicago
BWI
Baltimore
$126 Roundtrip, found 22 hours ago
$126
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Fri, Aug 8 from Chicago to Baltimore, returning Tue, Aug 12, priced at $126 found 22 hours ago
Frontier Airlines
Wed, Aug 6 - Wed, Aug 13
MDW
Chicago
BWI
Baltimore
$126 Roundtrip, found 1 day ago
$126
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Aug 6 from Chicago to Baltimore, returning Wed, Aug 13, priced at $126 found 1 day ago

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

February is typically the cheapest month to fly

From $58 - $330 per traveler.

Graph displaying average flight prices per month

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 $355
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $355
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
$100
Distance
608 mi
Average flight time
2 hours 49 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 September. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $59 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 Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
You can find affordable return tickets from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) starting from $83. Book your seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving MDW on August 1 2025 and touching down at BWI. The price was last updated on July 6 2025 and has not changed since.
What is the cheapest month to fly from MDW to BWI?
The cheapest flights from MDW to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
When setting off from Midway Intl. Airport (MDW), you can catch a direct flight to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Southwest Airlines.
What is the cheapest airline that flies from MDW to BWI?
Book a flight from MDW to BWI with Frontier Airlines. This airline currently has the cheapest one-way fare for this route, starting at $44. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from MDW on September 29 2025. Prices were last updated on July 6 2025 and have not changed since.
How many flights per day from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
When taking off from Midway Intl. Airport (MDW), you'll have a choice from an average of 3 daily nonstop flights to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What are the most popular departure times for flights from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
More people fly between MDW and BWI at 6 PM than at any other time of day. Looking for a quieter experience? Try choosing a quieter departure window and it's possible you'll save on your ticket as well.
What day of the week has the most flights from MDW to BWI?
Fly on a Monday if you're looking for the biggest selection of flights from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
What is the earliest flight from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Catch the earliest flight at around 6:35AM UTC-6, departing from Midway Intl. Airport (MDW). You'll be flying for around 1h 50m, reaching Baltimore Washington Intl. Thurgood Marshall Airport (BWI) at approximately 9:25AM UTC-5.
How long does it take to fly from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The average flight time from MDW to BWI is 1 hour and 48 minutes, covering a total distance of 610 mi.
What airline has the least delays from MDW to BWI?
United Airlines has the best track record for on-time direct flights from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI), with an on-time rating of 100%. Use the Expedia App to check your flight status before you head off and get immediate updates about any trip changes.
What is the best time to fly from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
To land at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) on schedule, book a flight that leaves Midway Intl. Airport (MDW) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Baltimore from Midway Intl. Airport (MDW)?
Board a direct flight from Midway Intl. Airport (MDW) to Baltimore and arrive at Ronald Reagan Washington National Airport (DCA). An alternative arrival point to this city is Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Is it cheaper to buy a plane ticket from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Booking your ticket from MDW to BWI just before your trip is generally more expensive. However, if you're flexible with your departure dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a MDW to BWI flight and hotel package?
You can save money by securing a MDW to BWI flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Midway Intl. Airport (MDW) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
If you booked your MDW to BWI 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 after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more details.

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