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

View $29 flight on Thu, Jan 8, 2026Opens in a new window

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

Cheap Flights from Baltimore to Chicago (BWI-ORD)

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
Fri, Jan 9 - Thu, Jan 15
BWI
Baltimore
ORD
Chicago
$54 Roundtrip, found 1 hour ago
$54
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Fri, Jan 9 from Baltimore to Chicago, returning Thu, Jan 15, priced at $54 found 1 hour ago
Frontier Airlines
Mon, Dec 8 - Sun, Dec 14
BWI
Baltimore
ORD
Chicago
$63 Roundtrip, found 1 hour ago
$63
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Dec 8 from Baltimore to Chicago, returning Sun, Dec 14, priced at $63 found 1 hour ago
Frontier Airlines
Thu, Jan 8 - Sun, Jan 18
BWI
Baltimore
ORD
Chicago
$64 Roundtrip, just found
$64
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jan 8 from Baltimore to Chicago, returning Sun, Jan 18, priced at $64 just found
Frontier Airlines
Sun, Feb 1 - Sun, Feb 8
BWI
Baltimore
ORD
Chicago
$68 Roundtrip, found 15 hours ago
$68
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Sun, Feb 1 from Baltimore to Chicago, returning Sun, Feb 8, priced at $68 found 15 hours ago
Frontier Airlines
Sun, Jan 11 - Sun, Jan 18
BWI
Baltimore
ORD
Chicago
$70 Roundtrip, found 21 hours ago
$70
Roundtrip
found 21 hours ago
Select Frontier Airlines flight, departing Sun, Jan 11 from Baltimore to Chicago, returning Sun, Jan 18, priced at $70 found 21 hours ago
Frontier Airlines
Sun, Dec 7 - Mon, Dec 8
BWI
Baltimore
ORD
Chicago
$72 Roundtrip, just found
$72
Roundtrip
just found
Select Frontier Airlines flight, departing Sun, Dec 7 from Baltimore to Chicago, returning Mon, Dec 8, priced at $72 just found
Spirit Airlines
Thu, Jan 29 - Sun, Feb 1
BWI
Baltimore
ORD
Chicago
$96 Roundtrip, just found
$96
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Jan 29 from Baltimore to Chicago, returning Sun, Feb 1, priced at $96 just found
United
Wed, Jan 21 - Tue, Jan 27
BWI
Baltimore
ORD
Chicago
$139 Roundtrip, found 1 hour ago
$139
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jan 21 from Baltimore to Chicago, returning Tue, Jan 27, priced at $139 found 1 hour ago
Southwest Airlines
Sat, Jan 17 - Sun, Jan 18
BWI
Baltimore
ORD
Chicago
$169 Roundtrip, found 11 hours ago
$169
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Sat, Jan 17 from Baltimore to Chicago, returning Sun, Jan 18, priced at $169 found 11 hours ago
Sun Country Airlines
Tue, Nov 25 - Mon, Dec 1
BWI
Baltimore
ORD
Chicago
$413 Roundtrip, found 1 hour ago
$413
Roundtrip
found 1 hour ago
Select Sun Country Airlines flight, departing Tue, Nov 25 from Baltimore to Chicago, returning Mon, Dec 1, priced at $413 found 1 hour ago

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

September is typically the cheapest month to fly

From $83 - $124 per traveler.

Alternative airports near Chicago

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

Select flight to Midway Intl. MDW. Closest option available. Average driving time to city center is 16 minutes. Flights from $194
MDW
Midway Intl.
Closest
Average driving time to city center16 min
Flights from $194

Frequently asked questions

How much does a flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) cost?
Get a cheap one-way flight from $29 or cheap return flight from $54 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Planning your trip for January is a great way to save, as it's the cheapest month for flights between BWI and ORD. You'll often find the lowest fares during the off-season.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Take the express route to O'Hare Intl. Airport (ORD). 3 carriers operate direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI), including:

  • American Airlines
  • United Airlines
  • Southwest Airlines

What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Cheap flight tickets from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) are often available with low-cost carriers like ANA and Southwest Airlines. Don't forget that prices can change depending on demand, travel dates and how early you book. With Expedia's search tool, you can easily filter your results to find a BWI to ORD flight that fits your budget.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
With, on average, 5 nonstop flights that operate from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) daily, you'll be on your way in no time.
What are the most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
The 7 AM departures from BWI to ORD are the busiest. Prices can be higher for these popular slots. If you want to save on your trip, pick a less crowded time to fly.
What day of the week has the most flights from BWI to ORD?
If you travel on a Wednesday, you'll get the greatest range of options for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD).
What is the earliest flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI)'s first flight to O'Hare Intl. Airport (ORD) departs at approximately 7:30AM UTC-5. With a total flight time of 2h 21m, you'll land at around 8:51AM UTC-6.
How long does it take to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Flights from BWI to ORD have an average travel time of 2 hours and 20 minutes. The total distance between these two airports is 620 mi.
What airline has the least delays from BWI to ORD?
Consider booking with United Airlines if you'd like to fly straight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) without any delays. This carrier has the strongest track record for punctuality, with an on-time score of 85%. Want to be updated if anything changes? You can keep an eye on your flight status using the Expedia App.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
To touch down at O'Hare Intl. Airport (ORD) on schedule, book a flight that leaves Baltimore Washington Intl. Thurgood Marshall Airport (BWI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Chicago from Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Catch a direct flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Chicago and arrive at O'Hare Intl. Airport (ORD). An alternative gateway to this city is Midway Intl. Airport (MDW).
Is it cheaper to buy a plane ticket from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) last-minute?
Holding off until just before your departure to book a ticket from BWI to ORD often results in higher prices. While you may find some last-minute discounts, there's no guarantee. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a BWI to ORD flight and hotel package?
You'll generally save money by securing a BWI to ORD flight and hotel package compared to booking separately. In fact, travelers 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 preferred flights and accommodations, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
If you reserved your BWI to ORD flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more details.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
O'Hare Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$54
Distance
619 mi
Average flight time
1 hour 14 mins

Book with confidence

Baltimore to Chicago Flights

The cheapest times to fly from Baltimore to Chicago

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 Baltimore to Chicago are during the month of January. You can find some of the cheapest flights from Baltimore to Chicago with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to Chicago

Sunday is one of the best days to book for cheap flights from Baltimore to Chicago: 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 Baltimore to Chicago

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 Baltimore to Chicago 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 Baltimore to Chicago 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 Baltimore to Chicago 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.

 

Baltimore to Chicago Flights

Explore a world of travel with Expedia

*Available to One Key members.