$70 Cheap Flights from Chicago (ORD) to Baltimore (BWI)

View $70 flight on Thu, May 29, 2025Opens in a new window

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

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Find available prices by choosing your travel dates.

Cheap Flights from Chicago to Baltimore (ORD-BWI)

Prices were available within the past 7 days and start at $70 for one-way flights and $120 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, May 15 - Sun, May 18
ORD
Chicago
BWI
Baltimore
$120 Roundtrip, found 1 hour ago
$120
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Thu, May 15 from Chicago to Baltimore, returning Sun, May 18, priced at $120 found 1 hour ago
Spirit Airlines
Tue, May 20 - Sun, May 25
ORD
Chicago
BWI
Baltimore
$121 Roundtrip, found 3 hours ago
$121
Roundtrip
found 3 hours ago
Select Spirit Airlines flight, departing Tue, May 20 from Chicago to Baltimore, returning Sun, May 25, priced at $121 found 3 hours ago
Spirit Airlines
Wed, May 21 - Sun, May 25
ORD
Chicago
BWI
Baltimore
$130 Roundtrip, found 18 hours ago
$130
Roundtrip
found 18 hours ago
Select Spirit Airlines flight, departing Wed, May 21 from Chicago to Baltimore, returning Sun, May 25, priced at $130 found 18 hours ago
Spirit Airlines
Fri, May 2 - Sun, May 25
ORD
Chicago
BWI
Baltimore
$140 Roundtrip, found 3 days ago
$140
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Fri, May 2 from Chicago to Baltimore, returning Sun, May 25, priced at $140 found 3 days ago
Spirit Airlines
Thu, May 22 - Thu, May 29
ORD
Chicago
BWI
Baltimore
$141 Roundtrip, found 1 hour ago
$141
Roundtrip
found 1 hour ago
Select Spirit Airlines flight, departing Thu, May 22 from Chicago to Baltimore, returning Thu, May 29, priced at $141 found 1 hour ago
Spirit Airlines
Sat, May 3 - Thu, May 8
ORD
Chicago
BWI
Baltimore
$145 Roundtrip, found 16 hours ago
$145
Roundtrip
found 16 hours ago
Select Spirit Airlines flight, departing Sat, May 3 from Chicago to Baltimore, returning Thu, May 8, priced at $145 found 16 hours ago
Frontier Airlines
Wed, May 14 - Sun, May 18
ORD
Chicago
BWI
Baltimore
$146 Roundtrip, found 8 hours ago
$146
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Wed, May 14 from Chicago to Baltimore, returning Sun, May 18, priced at $146 found 8 hours ago
American Airlines
Tue, May 20 - Sun, May 25
ORD
Chicago
BWI
Baltimore
$150 Roundtrip, found 3 hours ago
$150
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Tue, May 20 from Chicago to Baltimore, returning Sun, May 25, priced at $150 found 3 hours ago
Southwest Airlines
Fri, May 30 - Sun, Jun 1
ORD
Chicago
BWI
Baltimore
$159 Roundtrip, found 4 hours ago
$159
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, May 30 from Chicago to Baltimore, returning Sun, Jun 1, priced at $159 found 4 hours ago
United
Wed, May 28 - Thu, May 29
ORD
Chicago
BWI
Baltimore
$160 Roundtrip, just found
$160
Roundtrip
just found
Select United flight, departing Wed, May 28 from Chicago to Baltimore, returning Thu, May 29, priced at $160 just found

Frequently asked questions

How much does a flight from O'Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) cost?
Book cheap return fares starting at $100 from O’Hare Intl. Airport (ORD) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Spirit Airlines flight leaving ORD on May 15 2025 and touching down at BWI. The price was last updated on April 24 2025 and has not changed since.
What is the cheapest month to fly from ORD to BWI?
The cheapest flights from ORD to BWI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 ORD to BWI?
With prices as low as $50 for a one-way flight from ORD to BWI, Spirit Airlines is currently the cheapest carrier on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from ORD on June 5 2025. Prices were last updated on April 24 2025 and have not changed since.
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.
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