$80 Cheap Flights from Chicago (ORD) to Baltimore (BWI)

View $80 flight on Tue, Oct 13, 2026Opens in a new window

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

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Cheap Flights from Chicago to Baltimore (ORD-BWI)

Prices were available within the past 7 days and start at $80 for one-way flights and $160 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Wed, May 20 - Tue, May 26
ORD
Chicago
BWI
Baltimore
$160 Roundtrip, just found
$160
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, May 20 from Chicago to Baltimore, returning Tue, May 26, priced at $160 just found
Frontier Airlines
Sat, May 16 - Tue, May 26
ORD
Chicago
BWI
Baltimore
$170 Roundtrip, found 8 hours ago
$170
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 16 from Chicago to Baltimore, returning Tue, May 26, priced at $170 found 8 hours ago
United
Tue, Aug 11 - Wed, Aug 12
ORD
Chicago
BWI
Baltimore
$177 Roundtrip, found 7 hours ago
$177
Roundtrip
found 7 hours ago
Select United flight, departing Tue, Aug 11 from Chicago to Baltimore, returning Wed, Aug 12, priced at $177 found 7 hours ago
Frontier Airlines
Sat, May 30 - Tue, Jun 9
ORD
Chicago
BWI
Baltimore
$179 Roundtrip, found 8 hours ago
$179
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 30 from Chicago to Baltimore, returning Tue, Jun 9, priced at $179 found 8 hours ago
Frontier Airlines
Fri, May 15 - Sun, May 17
ORD
Chicago
BWI
Baltimore
$180 Roundtrip, just found
$180
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, May 15 from Chicago to Baltimore, returning Sun, May 17, priced at $180 just found
Frontier Airlines
Sat, May 16 - Tue, May 26
ORD
Chicago
BWI
Baltimore
$184 Roundtrip, found 8 hours ago
$184
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Sat, May 16 from Chicago to Baltimore, returning Tue, May 26, priced at $184 found 8 hours ago
Frontier Airlines
Sun, May 17 - Tue, May 26
ORD
Chicago
BWI
Baltimore
$184 Roundtrip, found 1 day ago
$184
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sun, May 17 from Chicago to Baltimore, returning Tue, May 26, priced at $184 found 1 day ago
Delta
Tue, Jun 2 - Wed, Jun 3
ORD
Chicago
BWI
Baltimore
$187 Roundtrip, found 2 hours ago
$187
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Jun 2 from Chicago to Baltimore, returning Wed, Jun 3, priced at $187 found 2 hours ago
American Airlines
Wed, Sep 9 - Wed, Sep 16
ORD
Chicago
BWI
Baltimore
$194 Roundtrip, found 5 hours ago
$194
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Wed, Sep 9 from Chicago to Baltimore, returning Wed, Sep 16, priced at $194 found 5 hours ago
Spirit Airlines
Tue, Jun 2 - Wed, Jun 3
ORD
Chicago
BWI
Baltimore
$195 Roundtrip, found 2 hours ago
$195
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Tue, Jun 2 from Chicago to Baltimore, returning Wed, Jun 3, priced at $195 found 2 hours ago

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 $345
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $345

Frequently asked questions

How much does a flight from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
You can find cheap one-way flights and cheap return flights from $160 Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) with Expedia. One-way flights typically cost between $109 and $521, and return flights often range between $219 and $846. 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 (ORD-O'Hare 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
September is the cheapest month to fly from Chicago (ORD) to Baltimore (BWI), with average return fares around $236. This price is about 10% lower than the average throughout the year, as travel demand tends to decrease after the summer. Other budget-friendly months include January and October.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Choose from 4 airlines operating direct flights from ORD to BWI:

  • American Airlines operates around 34 direct flights from ORD to BWI every week
  • United operates around 31 direct flights from ORD to BWI every week
  • Frontier Airlines operates around 7 direct flights from ORD to BWI every week
  • Spirit Airlines operates around 7 direct flights from ORD to BWI every week

How do I find cheap flights from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from Chicago, IL (ORD-O'Hare 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best airline to fly with from Chicago, IL (ORD) to Baltimore, MD (BWI) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. Delta offers the most daily flights from Chicago to Baltimore, 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The ideal times to fly from Chicago (ORD) to Baltimore (BWI) are September and October. In September, you can find return flights for around $236, while October is also popular for travel. These months strike a balance between reasonable prices and good weather, making your trip more enjoyable.*Prices based on flights available on Expedia in the last year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You can find approximately 10 nonstop flights per day from O'Hare Intl. (ORD) to Baltimore Washington Intl. Thurgood Marshall (BWI). For more options, look at flights that include layovers.
What is the earliest flight from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from O'Hare International Airport (ORD) to Baltimore Washington International Thurgood Marshall Airport (BWI) usually departs at around 12:00 AM, operated by American Airlines. This seasonal service is available in December, giving you a chance to maximize your time 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The most popular departure times for flights from Chicago O'Hare International Airport (ORD) to Baltimore Washington International Thurgood Marshall (BWI) are from 6am to 9am. This time frame is preferred by around 27% of travelers, making it a great option for those looking to arrive in Baltimore early. Airlines like Delta and American Airlines operate flights during this busy morning period.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
A nonstop flight from ORD to BWI typically takes around 2 hours, covering approximately 620 miles. Connecting flights on this route usually add 3 hours to your travel time. 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
First class seats are offered on the ORD to BWI route. First class cabins are available on:

  • Spirit Airlines
  • American Airlines
  • Delta Air Lines
  • United Airlines

How much is a business class flight from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
A direct, return business class ticket from Chicago, IL (ORD) to Baltimore, MD (BWI) typically costs between $744 - $1,054. A non-stop, one-way business class flight is usually around $406 - $586. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia?
It's easy to earn miles on a Chicago, IL (ORD-O'Hare 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 O'Hare Intl. (ORD)?
If you're planning to travel to Baltimore from O'Hare Intl. (ORD), you can fly into Baltimore Washington Intl. Thurgood Marshall (BWI) Some flights may connect through major hubs like Nashville Intl. (BNA), Orlando Intl. (MCO), Love Field (DAL) 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute?
Typically, booking a last minute flight from Chicago, IL (ORD-O'Hare 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package?
Securing a Chicago, IL (ORD-O'Hare 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 (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your Chicago, IL (ORD-O'Hare 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.

Travel information

Origin airport
O'Hare Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$160
Distance
619 mi
Average flight time
3 hours 5 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 May. 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 $80 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

*Flight schedules are subject to change.

*Available to One Key members.

 

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