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

View AU$108 flight on Wed, 8 Oct. 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$299 Return, found 3 days ago
AU$299
Return
found 3 days ago
Select American Airlines flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$299 found 3 days ago
American Airlines
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$300 Return, found 3 days ago
AU$300
Return
found 3 days ago
Select American Airlines flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$300 found 3 days ago
Delta
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$304 Return, found 3 days ago
AU$304
Return
found 3 days ago
Select Delta flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$304 found 3 days ago
American Airlines
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$314 Return, found 3 days ago
AU$314
Return
found 3 days ago
Select American Airlines flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$314 found 3 days ago
United
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$323 Return, found 3 days ago
AU$323
Return
found 3 days ago
Select United flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$323 found 3 days ago
American Airlines
Thu, 18 Sep. - Mon, 22 Sep.
BWI
Baltimore
ORD
Chicago
AU$366 Return, found 3 days ago
AU$366
Return
found 3 days ago
Select American Airlines flight, departing Thu, 18 Sep. from Baltimore to Chicago, returning Mon, 22 Sep., priced at AU$366 found 3 days ago
Delta
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$367 Return, found 3 days ago
AU$367
Return
found 3 days ago
Select Delta flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$367 found 3 days ago
Delta
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$368 Return, found 3 days ago
AU$368
Return
found 3 days ago
Select Delta flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$368 found 3 days ago
United
Sat, 11 Oct. - Sat, 18 Oct.
BWI
Baltimore
ORD
Chicago
AU$377 Return, found 3 days ago
AU$377
Return
found 3 days ago
Select United flight, departing Sat, 11 Oct. from Baltimore to Chicago, returning Sat, 18 Oct., priced at AU$377 found 3 days ago
Alaska Airlines
Fri, 31 Oct. - Sun, 2 Nov.
BWI
Baltimore
ORD
Chicago
AU$910 Return, found 3 days ago
AU$910
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 31 Oct. from Baltimore to Chicago, returning Sun, 2 Nov., priced at AU$910 found 3 days ago

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

October is typically the cheapest month to fly

From AU$123 - AU$250 per traveller.

Graph displaying average flight prices per month

Flight from Baltimore to Chicago route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
O'Hare Intl.
Return price
AU$298
Distance
991 km
Average flight time
1 hour 15 mins

Your quick guide to flights from Baltimore to Chicago

Pick up great flights from Baltimore to Chicago

With Expedia, you have your pick of 24 flights a day with 20 airlines covering flights from Baltimore to Chicago. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Baltimore to Chicago that take around 0 hours.

Find cheap flights from Baltimore to Chicago

From the great flight deals with prices currently ranging from AU$299 to AU$910, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Baltimore to Chicago around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Chicago is normally in October.

Reasons to book your flight from Baltimore to Chicago with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Baltimore to Chicago across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Chicago right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from BWI to O'Hare Intl. Airport (ORD)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip journey between BWI and O'Hare Intl. Airport (ORD) was AU$299. Cheap fares don't stick around for long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the easy instructions on our Customer Service Portal.
How do I find cheap flights from BWI Airport to O'Hare Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for BWI Airport to ORD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to ORD?
A flight distance of just 1 000 kilometres separates Baltimore and Chicago. Once you're up in the air, you won't get a chance to do much more than read the magazine in your seat pocket.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to ORD?
With 117 flights every month from BWI Airport to ORD, Southwest Airlines (WN) is a popular choice. United Airlines (UA) is another option. It offers 86 flights every month. Between these two airlines, you'll be able to find a great deal from Baltimore to Chicago.
Are BWI Airport to O'Hare Intl. Airport (ORD) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from BWI to O'Hare Airport last minute could be your ticket to an awesome deal. However, it could end up costing you a whole lot more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to 12 months in advance. If your preferred carrier hasn't released tickets yet, check back frequently as deals are updated on Expedia all the time.

Explore a world of travel with Expedia

Chicago Flight Deals

Chicago

Baltimore to Midway Intl.
AU$303.60
*Available to Expedia members.