£89 Cheap Flights from Chicago (ORD) to Baltimore (BWI)

View £89 flight on Mon, 11 May 2026Opens in a new window

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £89 for one-way flights and £187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 24 Jun - Wed, 8 Jul
ORD
Chicago
BWI
Baltimore
£187 Return, found 6 days ago
£187
Return
found 6 days ago
Select Delta flight, departing Wed, 24 Jun from Chicago to Baltimore, returning Wed, 8 Jul, priced at £187 found 6 days ago
Delta
Fri, 12 Jun - Wed, 1 Jul
ORD
Chicago
BWI
Baltimore
£193 Return, found 6 days ago
£193
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Jun from Chicago to Baltimore, returning Wed, 1 Jul, priced at £193 found 6 days ago
American Airlines
Thu, 21 May - Tue, 26 May
ORD
Chicago
BWI
Baltimore
£196 Return, found 6 days ago
£196
Return
found 6 days ago
Select American Airlines flight, departing Thu, 21 May from Chicago to Baltimore, returning Tue, 26 May, priced at £196 found 6 days ago
Delta
Thu, 28 May - Fri, 12 Jun
ORD
Chicago
BWI
Baltimore
£217 Return, found 6 days ago
£217
Return
found 6 days ago
Select Delta flight, departing Thu, 28 May from Chicago to Baltimore, returning Fri, 12 Jun, priced at £217 found 6 days ago
American Airlines
Thu, 21 May - Tue, 26 May
ORD
Chicago
BWI
Baltimore
£221 Return, found 6 days ago
£221
Return
found 6 days ago
Select American Airlines flight, departing Thu, 21 May from Chicago to Baltimore, returning Tue, 26 May, priced at £221 found 6 days ago
Delta
Sat, 4 Jul - Tue, 21 Jul
ORD
Chicago
BWI
Baltimore
£223 Return, found 6 days ago
£223
Return
found 6 days ago
Select Delta flight, departing Sat, 4 Jul from Chicago to Baltimore, returning Tue, 21 Jul, priced at £223 found 6 days ago
Delta
Tue, 7 Jul - Tue, 21 Jul
ORD
Chicago
BWI
Baltimore
£228 Return, found 6 days ago
£228
Return
found 6 days ago
Select Delta flight, departing Tue, 7 Jul from Chicago to Baltimore, returning Tue, 21 Jul, priced at £228 found 6 days ago
Delta
Fri, 12 Jun - Fri, 3 Jul
ORD
Chicago
BWI
Baltimore
£231 Return, found 6 days ago
£231
Return
found 6 days ago
Select Delta flight, departing Fri, 12 Jun from Chicago to Baltimore, returning Fri, 3 Jul, priced at £231 found 6 days ago
United
Mon, 18 May - Thu, 28 May
ORD
Chicago
BWI
Baltimore
£236 Return, found 6 days ago
£236
Return
found 6 days ago
Select United flight, departing Mon, 18 May from Chicago to Baltimore, returning Thu, 28 May, priced at £236 found 6 days ago
Alaska Airlines
Fri, 5 Jun - Fri, 12 Jun
ORD
Chicago
BWI
Baltimore
£477 Return, found 3 days ago
£477
Return
found 3 days ago
Select Alaska Airlines flight, departing Fri, 5 Jun from Chicago to Baltimore, returning Fri, 12 Jun, priced at £477 found 3 days 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. Cheapest option available. Average driving time to city centre is 57 minutes. Flights from £257
DCA
Ronald Reagan Washington National
Cheapest
Average driving time to city centre57 min
Flights from £257

Frequently asked questions

How much is a flight from ORD to BWI Marshall?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between O'Hare Intl. Airport (ORD) and BWI was £187. Cheap fares don't wait forever, so make sure you 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 O'Hare Intl. Airport (ORD) to BWI Airport?
Each airline has different terms and conditions. If you decide to cancel your escape, visit our Customer Service Portal.
How do I find cheap flights from ORD to BWI Marshall 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 O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to BWI Marshall?
With a flight distance of 1,000 kilometres, it's only a short hop from O'Hare Airport to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). It might be a quick flight, but it's still worth bringing along a good book to read.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Many adventurers choose to fly with Southwest Airlines (WN) from ORD to BWI Marshall. This leading airline offers 117 flights every month, so you can pick a flight time that's perfect for you. United Airlines (UA) is also worth checking out. It offers 86 flights every month. Between these two airlines, you'll be able to find a great deal from Chicago to Baltimore.
Are O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes pick up a bargain, with some super cheap airfares from ORD to BWI appearing a few weeks before the departure date. If you'd rather plan ahead, Expedia compares and updates the best flight deals continually — as early as a year in advance in some cases. It depends on the carrier though, as not every airline releases prices so far in advance.

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?
One-way flights typically cost between £469 and £1,244 and return flights often range between £469 and £1,244. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
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 typically the cheapest month to fly from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), with average return fares of approximately £328. This is about 10% lower than the average price throughout the year. September often sees lower prices as the summer travel season winds down and before the holiday rush begins. Other cheap months to fly from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) include January and October.
Which airlines fly direct from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Enter ORD to BWI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, F9 typically offers the lowest fares. DL offers the most daily flights from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), which is brilliant 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 best time to fly from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) (BWI) is September. This month offers a great balance, as it's one of the cheapest times to fly, with average return flights around £328, and it's also a popular time to travel, meaning you'll have plenty of flight options. October is also a good option for lower prices, but September gives you that sweet spot of both value and availability, based on booking data from the past year.
How many flights per day from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
There are approximately 12 nonstop flights per day from Chicago, IL (ORD-O'Hare Intl.) (ORD) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) (BWI). For even more choice, look at flights that include layovers, as there are around 82 connecting flights per day. Some common connection points include Hartsfield-Jackson Atlanta Intl. (ATL), Orlando Intl. (MCO), and Charlotte-Douglas Intl. (CLT).
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 Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) typically departs at approximately 12:00 AM local time, operated by American Airlines. This is a seasonal service active in December. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
You'll typically find the most flights from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) on a Friday, with around 49 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include American Airlines, Delta Air Lines, and Southwest Airlines.
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, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) are in the morning, from 6am to 9am. About 24% of passengers prefer this time. Many major carriers, including Delta Air Lines, Southwest Airlines and American Airlines, offer flights during this window. This timing works well for many travellers as it allows for an early start to your day in Baltimore.
How long does it take to fly from Chicago, IL (ORD-O'Hare Intl.) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Direct flights from ORD to BWI usually take about 2 hours, traveling roughly 620 miles. If you opt for a connecting flight, expect to add around 5 hours to your journey. 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)?
Select the "Business class" and "First class" filters when looking for ORD to BWI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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 directly into Baltimore Washington Intl. Thurgood Marshall (BWI) Some flights may connect through major hubs like Orlando Intl. (MCO), Nashville Intl. (BNA), 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) flight and hotel package 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
Return price
£186
Distance
991 km
Average flight time
3 hours 2 mins

Explore a world of travel with Expedia

*Available to Expedia members.