$81 Cheap United flights Baltimore (BWI) to Chicago (ORD)

View $81 flight on Tue, Sep 16, 2025Opens in a new window

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$81 Cheap United flights Baltimore (BWI) to Chicago (ORD)

Prices were available within the past 7 days and start at $81 for one-way flights and $149 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Sep 19 - Sun, Sep 21
BWI
Baltimore
ORD
Chicago
$149 Roundtrip, found 1 hour ago
$149
Roundtrip
found 1 hour ago
Select United flight, departing Fri, Sep 19 from Baltimore to Chicago, returning Sun, Sep 21, priced at $149 found 1 hour ago
United
Thu, Dec 4 - Sun, Dec 7
BWI
Baltimore
ORD
Chicago
$153 Roundtrip, just found
$153
Roundtrip
just found
Select United flight, departing Thu, Dec 4 from Baltimore to Chicago, returning Sun, Dec 7, priced at $153 just found
United
Wed, Sep 17 - Sat, Sep 20
BWI
Baltimore
ORD
Chicago
$161 Roundtrip, found 2 hours ago
$161
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 17 from Baltimore to Chicago, returning Sat, Sep 20, priced at $161 found 2 hours ago
Flights from Baltimore (BWI) to Chicago (ORD)
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
Popular airline
Spirit Airlines
Distance
619 mi
Average flight time
1 hour 15 mins

Frequently asked questions

How much is a United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Use the "Price (lowest to highest)" filter on Expedia to search for cheap United Airlines return flights from $149 from BWI to ORD. Affordable one-way fares from $81 are also available.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BWI to ORD with United Airlines?
United Airlines flights to Chicago are usually cheaper in the off-peak months of January and February. Whether you're after a return or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) with United Airlines?
To find cheap United Airlines fares from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence how much you pay. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
Hop on one of United Airlines's 14 weekly direct flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD). To see your choices, enter your travel dates, origin and destination and hit search. Then apply the "Nonstop" and "Airline" filters.
How long does it take to fly from BWI to ORD with United Airlines?
From takeoff to touchdown, a nonstop United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD) takes approximately 2h 18m.
Which day of the week has the most United Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
If it's flexibility you're after, Friday offers the most choice for United Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD). You can pick from 2 different departures.
What is the earliest United Airlines flight from BWI to ORD?
The first United Airlines flight from BWI to ORD departs at 10:05AM UTC-5, arriving at 11:24AM UTC-6. If you prefer to head off later, the last United Airlines flight leaves BWI at 5:22PM UTC-5 and touches down at ORD at 6:40PM UTC-6. Flying before midday is generally a good idea as morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Chicago?
United Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Chicago arrive at O'Hare Intl. Airport (ORD) and Midway Intl. Airport (MDW). The primary Chicago hub served by this airline is ORD. It's worth comparing flights arriving at nearby airports on Expedia as they may have cheaper tickets.
Why fly with United Airlines from BWI to ORD?
Depart from BWI to ORD with United Airlines and enjoy a host of benefits starting with a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you could also earn OneKeyCash™* to redeem on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
United Airlines typically uses Airbus A320 planes for flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD). This airline also operates the Boeing 737-800 on this route. Remember that aircraft type can change due to operational requirements, so the plane you catch could be different on your travel date.
Can I change or cancel my United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to O'Hare Intl. Airport (ORD)?
It's usually possible to reschedule or cancel your flight, although additional charges may apply if you made your booking more than 24 hours ago. Need to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to alter your plans. To modify your booking, visit "Trips," select your flight and click on "Manage Booking" for further information.

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