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BWI - ORD

Find cheap flights from Baltimore to Chicago O'Hare Airport from $46

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Baltimore to O'Hare Intl departing on 4/24. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 4/18
Thu 4/25

Search hundreds of travel sites at once for deals on flights to Chicago O'Hare Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Baltimore to Chicago, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Baltimore to Chicago, as well as popular online travel agencies
In the last 7 days travelers have searched 47,600,107 times on KAYAK, and here is why:

Save 20% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Cheap flight deals from Baltimore to O'Hare Intl

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Baltimore to O'Hare Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
8:19 am - 11:31 pmBWI-ORD
16h 12m1 stop
5:51 pm - 7:18 amORD-BWI
12h 27m1 stop
$106Frontier
Find Deal
Tue, Apr 9 - Sun, Apr 14
3:50 pm - 1:40 amBWI-ORD
10h 50m1 stop
5:51 pm - 7:18 amORD-BWI
12h 27m1 stop
$107Frontier
Find Deal
Mon, Apr 8 - Thu, Apr 11
1:02 pm - 5:27 pmBWI-ORD
5h 25m1 stop
9:25 pm - 8:38 amORD-BWI
10h 13m1 stop
Thu, Apr 11 - Mon, Apr 15
6:20 pm - 1:40 amBWI-ORD
8h 20m1 stop
10:00 pm - 8:53 amORD-BWI
9h 53m1 stop
Wed, Apr 3 - Mon, Apr 8
7:40 am - 8:58 amBWI-ORD
2h 18mnonstop
6:48 pm - 9:48 pmORD-BWI
2h 00mnonstop
$119American Airlines
Find Deal
Wed, May 15 - Tue, May 21
6:26 am - 9:10 pmBWI-ORD
15h 44m1 stop
10:00 pm - 4:07 pmORD-BWI
17h 07m1 stop
$121Spirit Airlines
Find Deal
Tue, Apr 2 - Thu, Apr 4
5:58 am - 12:20 amBWI-ORD
19h 22m2 stops
8:59 pm - 9:58 amORD-BWI
11h 59m1 stop
$129Spirit Airlines
Find Deal
Tue, Apr 16 - Tue, Apr 23
7:56 am - 9:14 amBWI-ORD
2h 18mnonstop
7:09 pm - 10:02 pmORD-BWI
1h 53mnonstop
$139American Airlines
Find Deal
Tue, Apr 16 - Tue, Apr 23
6:30 am - 7:45 amBWI-ORD
2h 15mnonstop
6:30 pm - 9:29 pmORD-BWI
1h 59mnonstop
$150United Airlines
Find Deal
Fri, Apr 26 - Wed, May 1
5:41 pm - 6:55 pmBWI-ORD
2h 14mnonstop
11:00 am - 1:55 pmORD-BWI
1h 55mnonstop
$189United Airlines
Find Deal
Tue, Apr 30 - Tue, May 7

Flights from Baltimore to O'Hare Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Baltimore to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Baltimore to Chicago O'Hare Airport?

The average price of all flights from Baltimore to Chicago O'Hare Intl Airport clicked on KAYAK for each day over the last 12 months.
Your flight ticket price will generally be cheaper if you fly to Chicago O'Hare Airport on a Thursday and more expensive on a Friday. On your return trip to Baltimore, you should consider flying back on a Saturday, and avoid Sundays for better deals.

What is the cheapest month to fly from Baltimore to Chicago O'Hare Intl Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Baltimore to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Baltimore to Chicago O'Hare Intl Airport is January, where tickets cost $257 on average. On the other hand, the most expensive months are October and June, where the average cost of tickets is $361 and $357 respectively.

How far in advance should I book a flight from Baltimore to Chicago O'Hare Intl Airport?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Baltimore to Chicago O'Hare Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Baltimore to Chicago O'Hare Intl Airport, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 59 days before departure.

Which airlines provide the cheapest flights from Baltimore to Chicago O'Hare Airport?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The best deals for a one-way ticket found by KAYAK users over the last 3 days were on Spirit Airlines ($46) and American Airlines ($48). The cheapest round-trip tickets were found on Frontier ($106) and American Airlines ($119).

Which airlines fly most frequently between Baltimore and Chicago O'Hare Airport?

The airlines most regularly connecting Baltimore to Chicago O'Hare Airport are Southwest (5 flights per day), United Airlines (4 flights per day), and American Airlines (3 flights per day).

Which airlines fly non-stop between Baltimore and Chicago O'Hare Intl Airport?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Baltimore to Chicago O'Hare Intl Airport.
There are 3 airlines that fly nonstop from Baltimore to Chicago O'Hare Intl Airport. They are: American Airlines, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with United Airlines at $156 for a one-way flight. On average, the best prices for this route can be found at American Airlines.

How many flights are there between Baltimore and Chicago O'Hare Intl Airport per day?

Each day, there are between 9 and 15 nonstop flights that take off from Baltimore and land in Chicago O'Hare Intl Airport, with an average flight time of 2h 16m. The most common departure time is 7:00 am and most flights take off in the morning. Each week, there are 94 flights. The most frequent day of departure is Friday, when 16% of all weekly flights depart. The fewest flights depart on a Saturday.

Which cabin class options are there for flights between Baltimore and Chicago O'Hare Intl Airport?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Baltimore to Chicago O'Hare Airport take?

The average nonstop flight takes 2h 13m, covering a distance of 620 miles.

What’s the earliest departure time from Baltimore to Chicago O'Hare Airport?

Early birds can take the earliest flight from Baltimore at 6:00 am and will be landing in Chicago O'Hare Intl Airport at 7:23 am.

What’s the latest departure time from Baltimore to Chicago O'Hare Airport?

If you prefer to fly at night, the latest flight from Baltimore to Chicago O'Hare Intl Airport jets off at 9:10 pm and lands at 10:20 pm.

Good to know

Low season

January

High season

July

Cheapest flight

$46
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Baltimore to Chicago O'Hare Airport

When to book flights from Baltimore to O'Hare Intl

Are your dates flexible? Find out the best times to travel from Baltimore to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Baltimore to Chicago O'Hare Airport flights

  • How do I get from O’Hare International Airport to downtown Chicago?

    The Chicago Transit Authority makes it convenient to get from O’Hare International Airport to Downtown Chicago as the Blue Line ‘L’ train will ensure get to the center of the town in approximately 45min. The train is easily accessible from Terminals 1, 2, or 3. There are also van and bus shuttle services that leave the airport every 10-15min which will facilitate easy transport to the city.

  • Can I travel out of Baltimore Washington International Airport with a pet?

    The pet policy at Baltimore Washington International Airport requires all comfort animals and pets to remain in a carrier while inside the terminals. When traveling with your furry friend, it is recommended that you use the elevators as opposed to escalators and moving walkways. The airport provides four pet relief areas at Concourse C, D, E, and in front of the hourly garage. When using the pet relief areas, pet owners and handlers should always have their pets on a leash.

  • What parking options are available at Baltimore Washington International Airport?

    Baltimore Washington International Airport provides a variety of parking options to passengers, which include hourly parking, daily parking, express parking, and long-term parking. Additionally, the airport provides electric vehicle charging at the cell phone parking lot and at the daily garage, which is charged separately from the parking fee.

  • What accessibility services does Baltimore Washington International Airport provide?

    Shuttle buses at Baltimore Washington International Airport are wheelchair accessible as they have lift equipment to make boarding and alighting easier for those with restricted mobility. The airport also provides parking for the disabled within each of the airport’s parking facilities. In addition, Baltimore Washington International Airport uses Aira to help the visually impaired move through the airport, while there are public telecommunication devices for the deaf available for the hearing impaired.

  • What is the cheapest flight from Baltimore to Chicago O'Hare Intl Airport?

    In the last 3 days, the lowest price for a flight from Baltimore to Chicago O'Hare Intl Airport was $46 for a one-way ticket and $106 for a round-trip.

  • Do I need a passport to fly between Baltimore and Chicago O'Hare Airport?

    No, a passport isn't needed to fly from Baltimore to Chicago O'Hare Airport. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Baltimore to Chicago O'Hare Airport?

    When flying out of Baltimore you will be using Baltimore/Washington. You will be landing at Chicago O'Hare Airport, also known as Chicago O'Hare Intl.

  • Which airlines offer Wi-Fi service onboard planes from Baltimore to Chicago O'Hare Airport?

    American Airlines, Alaska Airlines, and Delta offer inflight Wi-Fi service on the Baltimore to Chicago O'Hare Airport flight route.

  • Which aircraft models fly most regularly from Baltimore to Chicago O'Hare Airport?

    The Boeing 737-800 is the aircraft model that flies most regularly on the Baltimore to Chicago O'Hare Airport flight route.

  • Which airline alliances offer flights from Baltimore to Chicago O'Hare Airport?

    oneworld, and Star Alliance are the airline alliances operating flights between Baltimore and Chicago O'Hare Airport, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from Baltimore to Chicago O'Hare Airport?

    There are nonstop flights from Baltimore to Chicago O'Hare Airport on a daily basis.

  • Which is the best airline for flights from Baltimore to Chicago, United Airlines or American Airlines?

    The two airlines most popular with KAYAK users for flights from Baltimore to Chicago are United Airlines and American Airlines. With an average price for the route of $329 and an overall rating of 7.4, United Airlines is the most popular choice. American Airlines is also a great choice for the route, with an average price of $298 and an overall rating of 7.3.

  • How does KAYAK find such low prices on flights from Baltimore to Chicago O'Hare Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Baltimore to Chicago O'Hare Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Baltimore to Chicago O'Hare Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago O'Hare Airport from Baltimore is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Baltimore to Chicago O'Hare Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago O'Hare Airport with an airline and back to Baltimore with another airline. Booking your flights between Baltimore and ORD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Baltimore to Chicago O'Hare Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago O'Hare Airport from Baltimore up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from BWI to Chicago O'Hare Airport

  • Looking for a cheap flight? 25% of our users found flights on this route for $199 or less one-way and $386 or less round-trip.
  • When taking a flight from Baltimore Washington International Airport (BWI) to O’Hare International Airport (ORD), it is recommended that you arrive at the airport at least 2h before your scheduled time of departure.
  • If you happen to lose any of your items while traveling out of Baltimore Washington International Airport, head over to the Lost & Found Office located at the Concourse C exit on the terminal’s upper level, which is open daily from 9 am to 5 pm.
  • Make use of the several lounges available at O’Hare International Airport to catch up on work or relax on arrival in Chicago. The lounges can be found inside security at Terminals 1, 2, 3, and 5, and there is a single lounge available outside security at Terminal 2.
  • Baltimore Washington International Airport provides nursing mothers with safe and private spaces where they can breastfeed or pump on the go. The nursing stations are located on Concourse A, B, C, D, and in the play area. There are also private nursing rooms available near Gate E6 and A12.
  • Baltimore Washington Airport can get quite crowded; therefore, the airport provides a meditation room close to the D/E Security Checkpoint where passengers can find some calm and quiet in the midst of the airport’s activities.
See more tips

Prefer to fly non-stop from Baltimore to Chicago O'Hare Airport?

Find which airlines fly direct from Baltimore/Washington to O'Hare Intl, which days they fly and book direct flights.

Nonstop departures

Baltimore/Washington to Chicago O'Hare Intl

Monday

ANA, Air New Zealand, Alaska Airlines, +7 more

ANA, Air New Zealand, +8 more

Tuesday

ANA, Air New Zealand, Alaska Airlines, +7 more

ANA, Air New Zealand, +8 more

Wednesday

ANA, Air New Zealand, Alaska Airlines, +7 more

ANA, Air New Zealand, +8 more

Thursday

ANA, Air New Zealand, Alaska Airlines, +7 more

ANA, Air New Zealand, +8 more

Friday

ANA, Air New Zealand, Alaska Airlines, +7 more

ANA, Air New Zealand, +8 more

Saturday

ANA, Air New Zealand, Alaska Airlines, +7 more

ANA, Air New Zealand, +8 more

Sunday

ANA, Air New Zealand, Alaska Airlines, +7 more

ANA, Air New Zealand, +8 more

See more direct flights

Nonstop returns

Chicago O'Hare Intl to Baltimore/Washington

Monday

ANA, Air New Zealand, Alaska Airlines, +8 more

ANA, Air New Zealand, +9 more

Tuesday

ANA, Air New Zealand, Alaska Airlines, +8 more

ANA, Air New Zealand, +9 more

Wednesday

ANA, Air New Zealand, Alaska Airlines, +8 more

ANA, Air New Zealand, +9 more

Thursday

ANA, Air New Zealand, Alaska Airlines, +8 more

ANA, Air New Zealand, +9 more

Friday

ANA, Air New Zealand, Alaska Airlines, +8 more

ANA, Air New Zealand, +9 more

Saturday

ANA, Air New Zealand, Alaska Airlines, +8 more

ANA, Air New Zealand, +9 more

Sunday

ANA, Air New Zealand, Alaska Airlines, +8 more

ANA, Air New Zealand, +9 more

See more direct flights
See more direct flights

Top 5 airlines serving from Baltimore to O'Hare Intl

Need help choosing which airline to fly with from Baltimore to O'Hare Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to KAYAK reviews.
8.2
SouthwestOverall score based on 6382 reviews
88crew
74food
83boarding
79entertainment
81comfort
82overall
Airline reviews

The flight itself was good. We were delayed 1 1/2 hours which was not good.

The flight itself was good. We were delayed 1 1/2 hours which was not good.

Flight was fine but new boarding policy was a drag Xtra time passenger group And Waiting until entire bridge empties before calling a list preferred... Waste of time

Wish that they would space out the boarding a little. COVID is still around and is real. No entertainment. Miss the peanuts.

The crew at the gate in Baltimore were rude and intimidating and insensitive to the needs of traveling families. They treated us like nuisance children ruining their day rather than the reasons they were working, paying customers with children who were anxious about the boarding experience. I would only travel Southwest again if it were the only option, especially if traveling with my children.

With COVID still around, I wish they wouldn't bunch us up so much at the boarding gates.

Cramped older 737. Noisy passengers nearby. Wish you would change and make KC a hub with a direct from OKC. Best new airport!

Pleasant and responsive flight attendants. Adequate drinks menu Good sized, comfortable seats

I never like the fact that if I don't check in exactly 24 hours before the flight time, I get to board C, and that means sitting between 2 individuals. I would like assigned seating in the airplanes.

A bit bumpy, but otherwise uneventful, and made up some delay in flight

Boarding and deboarding painfully slow. Southwest is typically delayed in my experience.

Awful…flight was delayed more than 12hrs, missed all connections to Fort Wayne, IN, had to get flight to another city 2 hours from my destination, flight was again delayed by 40 mins because they did not have enough fuel, again missed a connection, finally arrived in Indiana at 11pm…but before my 2 hour drive home, ay, no Five That Our Luggage Never Made On The plane and Still In Chicago

Boarding was friendly and quick. While the plane model was older with no live tv, the entertainment was full of movies and tv shows. All food was available. Pilots were very communicative with status of the flight. Flight landed on time.

The Palm Springs to Chicago O’Hare was on Time and Palm Springs airport is easier navigate. As our connection was only an approximately 50 minutes, we asked staff for insights for the Chicago airport in terms of transferring into the other terminal from which our flight left, and they were unhelpful. However, the United App was very helpful in terms of notifications and even providing directions. The Chicago to Detroit flight was significantly delayed which we all know does happen. However, there were very few updates or notifications as to why this was happening when we would actually arrive. It took nearly 30 minutes for bags to make it to baggage claim. We arrived nearly 1 hour late on a 40 minute flight.

Flight cancelled due to fog. No other flights available for 36 hours. Directed by United to book passage on another carrier, and submit receipts for reimbursement. Did that. United now states they will not reimburse. Currently out 2 grand.

The flight was delayed by 4 hours !!!!! It was very uncomfortable , and they told us only one our before departure

The flights from Ottawa to Albuquerque went smoothly enough though on on flight they didn't have how water for coffee or tea and on another there there was no ice. The return flights from Albuquerque were delayed by mechanical problems on both flights. Ottawa was a ground crew maintenance issue.

The male air hostess was rude and didn’t provide good customer service. Didn’t even offer me a drink

The staff was phenomenal. I can’t think of anything that could be better. Will be flying with UA again

Nothing bad to say about the actual crew or airline. It was nice to have a complimentary FULL can of soda, as well as a snack. Blankets and earbuds were also provided at no cost for this red eye flight. I especially appreciated the free WiFi and movie selection with the Bluetooth option. It helped the flight pass more quickly. No matter who you fly, boarding and disembarking are always SUCH a pain. As I mentioned, this is on the passengers and not the crew!!

Wifi did not work. Cut off on and off every 10 min

The only problem experienced was a ground stop in Chicago due to weather. But the crew handled everything professionally. They prioritized rebooking those passengers who had connecting flights and then deplaning the other passengers. When the hold was lifted, they efficiently re-boarded all the passengers so that we could depart before our departure limit expired.

Our second leg to Jackson WY was unable to land due to weather. We were flown back to Dallas after stopping in SLC. We were given hotel rooms and vouchers. We were told that we would be back on the same plane in the morning. Instead we were given a different flight with different seats. Not a good experience. No one knew what was going on.

Turn on the heat. Flight was way too cold from Arizona to Chicago.

Perfect flight. On time departure and early arrival. Smooth flight.

Overall pleasant was delayed and caused transportation issue when landing

The arriving flight was a few minutes late, but the gate crew helped to deplane and board our outgoing flight quickly and efficiently. We were able to depart quickly and arrive at ORD almost at the posted time. Great job.

Nothing, flight was supposed to leave at 758 am. My flight didn’t leave until 430 pm. Spent the whole day at the airport.

Despite a bumpy flight the pilot was great. The rest of the crew on the other hand couldn’t care less if a passenger would colapse and die. Horrible service, robot like, lifeless…

Biggest issue was original flight canceled and booked to another flight 6 hours earlier and received no notification

It was great. It was just a commuter so I splurged on first class and it was wonderful. Wish all seats were this spacious. Enjoyed it and will do it again.

Had to board plan 2x due to lack of security check after 1st boarding

Miserable. The crew was rude, the flight was delayed 5 hours for mechanical reasons and then “weather” even though other planes were leaving.

They kept Changing the flight times. It was delayed several times and at one point it was supposed to depart at 3.40am! At which point we ended up staying overnight and booked long a separate United flight for early morning departure. The spirit flight then got moved up and left at 1.30 in the morning when it was supposed to leave at 9.40pm the night before.

Was not able to board the flight due to a horrible policy that I needed to be at the gate 1 hour before departure. I lost money on this and the connecting flight due to having to book on another airline. I was flying to Florida for my mother's cancer surgery in the afternoon.

Flight was delayed...not horribly late. Just before push back engine shut down for a quick replacement item that took about five minutes. After that, everything was smooth and the pilot was able to make up time in the air so that our arrival time was not too far off the original anticipated arrival time.

Great flight on time and kept us informed about our flight situation!!

Only inflight purchases for food and water. Nothing comes with ticket price. Have to purchase bags, food...

The flight was delayed almost two hours on the front end, and an hour on the backend once we landed and waited for a gate to open up. We were told to remain in our seats during that whole delay and I had to go to the bathroom badly. I was unable to hold it and was forced to urinate in my pants while in my seat. I then had to sit in it until we finally deboarded and I was able to change my clothes.

We waited an hour to get off of the plane

flights were both good to and from. in flight seats were uncomfortable but ok for a short flight. flight attendants were very nice.

There was no wifi, there was no usb charger on the planes Frontier lowered the weight limit on suitcases from 50 to 40 pounds Frontier now charges for a seat...really? If i don't pay for a basic seat, do i stand the whole flight? Frontier now charges for the carry on, just like for the checked suitcase The bundle pricing is way over priced.

I am HIGHLY unhappy with the amount of money I spent on the flight. Paid in advance only to find the flight at a discount price a week or so before the flight. I will not fly frontier again and have bad mouthed your business since to anyone I have spoken with about flying (which has been many a people). Crew was mediocre and instead of moving me to a spot where I could gain some leg room they sat their flight attendant there. Won’t be flying frontier in the future.

They changed my flight and did not want to accommodate me or try to help me in any way. They do not care about their customers.

Plane was clean but they do not allow bag drop until 1 hour before flight. Just encouraging late fees and other issues. The worst I have experienced. Total hostage situation, pay or you miss your flight.

Everything was good, 20/30 minutes late waiting on a crew member. It’s hard to keep employees. Or serious employees I know. I remember one flight from Houston of Frontiers was almost 18 hours late. And another 4 hours late very poor. But I would rather be late and safe than the on the news. Thank you.

Well, I didn’t have food! So NA wasn’t an option. I’ll be back!

Bought seats on the flight and they were supposed to be 2 and a jumpseat. Plane clearly changed and it was a regular 3 seat row. Asked for a refund and was denied. If I wanted to sit next to someone else I wouldn't have bought the seats..

I dunno. Depressing, uncomfortable (I’m poor), but on time and efficient.

Everything was good, and most importantly on time. They have been extremely tardy in some of my flights

First time flying with Frontier . From buying tickets ,getting boarding pass and boarding plane was super easy. Definitely would fly again with Frontier .

Book cheap flights from Baltimore to Chicago

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Baltimore to Chicago found on KAYAK in the last 72 hours.
4/24Wed
1 stopSpirit Airlines
8h 15mBWI-ORD
$46
4/17Wed
1 stopSpirit Airlines
9h 16mBWI-ORD
$47
4/16Tue
nonstopAmerican Airlines
2h 18mBWI-ORD
$48
4/16Tue
1 stopFrontier
9h 26mBWI-ORD
$49
4/16Tue
nonstopAmerican Airlines
2h 18mBWI-ORD
$50
4/18Thu
1 stopFrontier
5h 25mBWI-ORD
$54
4/2Tue
2 stops
15h 06mBWI-ORD
$72
4/2Tue
2 stops
15h 06mBWI-ORD
$73
5/16Thu
nonstopUnited Airlines
2h 15mBWI-ORD
$99
4/19Fri
nonstopUnited Airlines
2h 15mBWI-ORD
$115

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Search by price

Last minute flights from Baltimore to O'Hare Intl

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Baltimore to Chicago that are departing in the next 10 days.
3/24Sun
nonstopAmerican Airlines
2h 18mBWI-ORD
4/9Tue
nonstopAmerican Airlines
1h 53mORD-BWI
$342
3/23Sat
multi-stop
15h 25mBWI-ORD
4/3Wed
multi-stop
18h 21mORD-BWI
$343
3/20Wed
multi-stopSpirit Airlines
13h 31mBWI-ORD
4/10Wed
multi-stopSpirit Airlines
12h 53mORD-BWI
$372
3/20Wed
multi-stopSpirit Airlines
13h 31mBWI-ORD
4/8Mon
multi-stopSpirit Airlines
24h 32mORD-BWI
$373
3/20Wed
nonstopUnited Airlines
2h 16mBWI-ORD
4/9Tue
nonstopUnited Airlines
1h 56mORD-BWI
$408
3/20Wed
nonstopUnited Airlines
2h 16mBWI-ORD
4/8Mon
nonstopUnited Airlines
1h 59mORD-BWI
$423
3/24Sun
multi-stopFrontier
18h 03mBWI-ORD
3/28Thu
multi-stopFrontier
24h 45mORD-BWI
$466
3/24Sun
nonstopSouthwest
2h 15mBWI-ORD
3/28Thu
multi-stopSouthwest
9h 45mORD-BWI
$517
3/24Sun
multi-stopSouthwest
13h 20mBWI-ORD
3/28Thu
nonstopSouthwest
1h 50mORD-BWI
$522
3/22Fri
multi-stopFrontier
25h 52mBWI-ORD
3/24Sun
multi-stopFrontier
24h 45mORD-BWI
$577

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Baltimore - Chicago O'Hare Airport Flights

Departure:

Baltimore (BWI)United States

Destination:

Chicago O'Hare Airport (ORD)United States

Return flight deals:

Chicago O'Hare Airport - Baltimore

Cabin classes:

$498
$998
$928
$211