$29 Cheap Flights from Chicago (ORD) to Baltimore (BWI)

View $29 flight on Sun, Feb 1, 2026Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Airport (BWI)

Today's featured flight deals from Chicago O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Airport (BWI)

Nonstop
Carry-on included
Lower price than typical

Cheap Flights from Chicago to Baltimore (ORD-BWI)

Prices were available within the past 7 days and start at $29 for one-way flights and $54 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 22 - Thu, Jan 29
ORD
Chicago
BWI
Baltimore
$54 Roundtrip, found 1 hour ago
$54
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Thu, Jan 22 from Chicago to Baltimore, returning Thu, Jan 29, priced at $54 found 1 hour ago
Frontier Airlines
Thu, Jan 8 - Fri, Jan 9
ORD
Chicago
BWI
Baltimore
$56 Roundtrip, found 14 hours ago
$56
Roundtrip
found 14 hours ago
Select Frontier Airlines flight, departing Thu, Jan 8 from Chicago to Baltimore, returning Fri, Jan 9, priced at $56 found 14 hours ago
Frontier Airlines
Mon, Dec 8 - Mon, Dec 15
ORD
Chicago
BWI
Baltimore
$62 Roundtrip, found 1 hour ago
$62
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Chicago to Baltimore, returning Mon, Dec 15, priced at $62 found 1 hour ago
Frontier Airlines
Sun, Dec 7 - Sun, Dec 14
ORD
Chicago
BWI
Baltimore
$63 Roundtrip, found 1 hour ago
$63
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sun, Dec 7 from Chicago to Baltimore, returning Sun, Dec 14, priced at $63 found 1 hour ago
Frontier Airlines
Thu, Jan 8 - Sun, Jan 11
ORD
Chicago
BWI
Baltimore
$64 Roundtrip, just found
$64
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jan 8 from Chicago to Baltimore, returning Sun, Jan 11, priced at $64 just found
Frontier Airlines
Mon, Dec 15 - Thu, Jan 8
ORD
Chicago
BWI
Baltimore
$68 Roundtrip, found 6 hours ago
$68
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Mon, Dec 15 from Chicago to Baltimore, returning Thu, Jan 8, priced at $68 found 6 hours ago
Frontier Airlines
Sun, Dec 14 - Sun, Jan 11
ORD
Chicago
BWI
Baltimore
$69 Roundtrip, found 19 hours ago
$69
Roundtrip
found 19 hours ago
Select Frontier Airlines flight, departing Sun, Dec 14 from Chicago to Baltimore, returning Sun, Jan 11, priced at $69 found 19 hours ago
Spirit Airlines
Thu, Jan 8 - Sun, Jan 11
ORD
Chicago
BWI
Baltimore
$96 Roundtrip, just found
$96
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Jan 8 from Chicago to Baltimore, returning Sun, Jan 11, priced at $96 just found
United
Tue, Feb 10 - Sat, Feb 21
ORD
Chicago
BWI
Baltimore
$139 Roundtrip, found 1 hour ago
$139
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Feb 10 from Chicago to Baltimore, returning Sat, Feb 21, priced at $139 found 1 hour ago
Southwest Airlines
Tue, Jan 20 - Fri, Jan 30
ORD
Chicago
BWI
Baltimore
$173 Roundtrip, found 18 hours ago
$173
Roundtrip
found 18 hours ago
Select Southwest Airlines flight, departing Tue, Jan 20 from Chicago to Baltimore, returning Fri, Jan 30, priced at $173 found 18 hours ago

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

September is typically the cheapest month to fly

From $80 - $124 per traveler.

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 $137
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $137

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Snag a cheap one-way flight from $29 or cheap return flight from $54 from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
January is the most affordable month to fly from ORD to BWI. Traveling during quieter months is often the key to scoring lower fares.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Enjoy an uninterrupted journey to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). 3 carriers offer direct routes from O'Hare Intl. Airport (ORD), including:

  • American Airlines
  • United Airlines
  • Southwest Airlines

What is the cheapest airline that flies from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
While prices can vary depending on your travel dates, Southwest Airlines and United Airlines are popular choices for flights between O'Hare Intl. Airport (ORD) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI). You can also compare carriers on Expedia and use the "Sort by" filter to find the cheapest fare for your ORD to BWI flight.
How many flights per day from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Each day on average, 5 nonstop flights take off from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Choose the departure date that best fits your itinerary.
What are the most popular departure times for flights from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
More people fly between ORD and BWI at 10 AM than at any other time of day. Looking for a quieter experience? Try choosing a quieter departure window and you're likely to save on your ticket as well.
What day of the week has the most flights from ORD to BWI?
Sunday offers the most flights from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). Consider taking off on this day and you'll have a greater chance of finding a departure that fits your itinerary.
What is the earliest flight from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The first flight of the day leaving O'Hare Intl. Airport (ORD) is at around 7:00AM UTC-6. Hop on this flight and you'll land at Baltimore Washington Intl. Thurgood Marshall Airport (BWI) at approximately 9:55AM UTC-5. The total flight duration is 1h 55m.
How long does it take to fly from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Flights from ORD to BWI have an average travel time of 1 hour and 58 minutes. The distance between these two airports is 620 mi.
What airline has the least delays from ORD to BWI?
With 96% of flights typically landing on schedule, Alaska Airlines has the best on-time performance for nonstop flights from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). To keep track of your flight status and receive notifications if anything changes, use the Expedia App.
What is the best time to fly from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Select a flight from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this have a 22% higher chance of being canceled, on average.**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 O'Hare Intl. Airport (ORD)?
O'Hare Intl. Airport (ORD) offers direct flights to Baltimore. Here are some of the airports you can fly straight to:

  • Ronald Reagan Washington National Airport (DCA)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)
  • Washington Dulles Intl. Airport (IAD)

Is it cheaper to buy a plane ticket from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) last-minute?
Holding off until right before your break to book your flight from ORD to BWI generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule to maximize your chances of getting a bargain.
Is it cheaper to book an ORD to BWI flight and hotel package?
Opting for an ORD to BWI flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our wide range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
In most instances, you're able to cancel or reschedule your ORD to BWI flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you want further information, go to our Customer Service portal.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$54
Distance
619 mi
Average flight time
2 hours 57 mins

Book with confidence

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 January. 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 $29 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.

 

Chicago to Baltimore Flights

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*Available to One Key members.