CHI - BWI

$117 Find Cheap Flights from Chicago to Baltimore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Baltimore departing on 8/13. 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
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Baltimore

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Baltimore, 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 Chicago to Baltimore, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$239
Typical prices: $127-$260
Frontier
Fri 9/18Mon 9/21
ORD - BWI • Non-stop
Cheapest non-stop
$240
Typical prices: $126-$259
Southwest
Thu 8/20Mon 8/24
MDW - BWI • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
Frontier Economy Bundle adds a carry-on and seat choice; United sells Economy Plus.
Southwest includes free snacks; American Main Cabin Extra adds early boarding.
Expert advice
Expert advice
Expert advice
Expert advice
Top airlines
Cheapest • from $239 (round-trip)
Best reviews • 7.9 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
+1
Nonstop flights
You can fly direct with American Airlines, Southwest and others. Average duration is 1h 57m
Direct flights
Direct flights
+1
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Direct flights
Direct flights
+1
Top routes
Cheapest • 13% average savings
Most popular
Insights
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Insights
Insights
Avoid delays
Most punctual • 83% on-time
Best time • Fewest delays
Insights
Insights
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Insights
Top layover airports
Cheapest • Avg $144 (round-trip)
Shortest trip • 3h 48m (one-way)
Insights
Insights
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 2 weeks in advance save around 32% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
Cheapest • 74% price drop
Most popular
Good to know
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+1
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We hope you love your trip to Baltimore!
Flight Deals
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Expert advice
Flight Deals

Cheap Flights from Chicago to Baltimore (CHI-BWI)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Baltimore 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.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Baltimore

Fri, Sep 18 - Mon, Sep 21
Frontier Logo
8:00 am - 11:07 am
ORD
-
BWI
2h 07mnonstop
Frontier Logo
9:24 am - 7:44 pm
BWI
-
ORD
11h 20m
1 stop
$239Frontier
Thu, Aug 20 - Mon, Aug 24
Southwest Logo
9:00 am - 11:55 am
MDW
-
BWI
1h 55mnonstop
Southwest Logo
5:20 pm - 6:15 pm
BWI
-
MDW
1h 55mnonstop
$240Southwest
Thu, Aug 20 - Mon, Aug 24
Frontier Logo
1:59 pm - 11:44 pm
ORD
-
BWI
8h 45m
1 stop
Frontier Logo
8:45 am - 7:59 pm
BWI
-
ORD
12h 14m
1 stop
$240Frontier
Thu, Aug 20 - Mon, Aug 24
Frontier Logo
6:05 am - 12:24 pm
MDW
-
BWI
5h 19m
1 stop
Frontier Logo
6:28 pm - 10:47 pm
BWI
-
MDW
5h 19m
1 stop
$241Frontier
Thu, Aug 20 - Mon, Aug 24
Frontier Logo
7:05 am - 5:43 pm
ORD
-
BWI
9h 38m
1 stop
Frontier Logo
8:45 am - 7:59 pm
BWI
-
ORD
12h 14m
1 stop
$241Frontier
Thu, Aug 20 - Mon, Aug 24
Frontier Logo
6:05 am - 5:43 pm
MDW
-
BWI
10h 38m
1 stop
Frontier Logo
6:28 pm - 10:47 pm
BWI
-
MDW
5h 19m
1 stop
$242Frontier
Wed, Jul 22 - Tue, Jul 28
Delta Logo
6:35 am - 1:01 pm
ORD
-
BWI
5h 26m
1 stop
Delta Logo
5:27 pm - 8:31 pm
BWI
-
ORD
4h 04m
1 stop
$245Delta
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
11:45 am - 4:00 pm
MDW
-
BWI
3h 15m
1 stop
Southwest Logo
10:55 am - 4:05 pm
BWI
-
MDW
6h 10m
2 stops
$246Southwest
Tue, Aug 4 - Tue, Aug 18
American Airlines Logo
6:51 am - 9:58 am
ORD
-
BWI
2h 07mnonstop
American Airlines Logo
7:46 am - 12:15 pm
BWI
-
ORD
5h 29m
1 stop
$248American Airlines
Thu, Aug 20 - Mon, Aug 24
Delta Logo
5:30 am - 1:05 pm
ORD
-
BWI
6h 35m
1 stop
Delta Logo
2:18 pm - 6:49 pm
BWI
-
ORD
5h 31m
1 stop
$249Delta
Booking Insights

KAYAK's insights & trends for Chicago to Baltimore flights

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

How much is a round-trip flight from Chicago to Baltimore?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Chicago to Baltimore departing in September.

What is the cheapest Chicago to Baltimore flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The absolute cheapest return flight from Chicago to Baltimore costs $193 on the route between Chicago O'Hare Intl Airport (ORD) and Baltimore (BWI). However, over the past month, flights between Chicago Midway Airport (MDW) and Baltimore (BWI) were, on average, 13% cheaper than other Chicago-Baltimore routes. The most popular route is between Chicago O'Hare Intl Airport (ORD) and Baltimore (BWI).

What’s the cheapest day of the week to fly from Chicago to Baltimore?

The average price of all round-trip flights from Chicago to Baltimore clicked on KAYAK for each day over the last 12 months.

When flying from Chicago to Baltimore, you should consider leaving on a Friday and avoid Tuesdays if you are looking for the best rates. For your return to Chicago, you’ll find the best rates on Fridays and the most expensive ones on Sundays.

What is the cheapest month to fly from Chicago to Baltimore?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Chicago to Baltimore, 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 Chicago to Baltimore is February, where tickets cost $27 (return) on average. On the other hand, the most expensive months are October and June, where the average cost of round-trip tickets is $549 and $161 respectively.

Can I save money by flying with a layover from Chicago to Baltimore?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

No, with an average price for the route of $355, prices are generally cheapest when you fly direct.

How far in advance should I book a flight from Chicago to Baltimore?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Chicago to Baltimore, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Chicago to Baltimore, you should book around 2 weeks before departure, which saves you about 32% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Expert advice

Expert advice for your flight from Chicago to Baltimore

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier, United Airlines, ORD and MDW

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Blane Bachelor

Blane Bachelor

Expert on Southwest

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Harriet Baskas

Harriet Baskas

Expert on American Airlines and BWI

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Good to know

Low seasonFebruary
Cheapest flight$117
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 21% lower on average.
Flight from Chicago Midway Airport to Baltimore

When to book flights from Chicago to Baltimore

Are your dates flexible? Find out the best times to travel from Chicago to Baltimore 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 flights from Chicago to Baltimore

  • What is the preferred mode of transport to the city center from BWI airport?

    Bus line 75, which takes 24 minutes, costs about $1 to $2 and is the best option for getting from Baltimore Washington International Airport (BWI) to downtown Baltimore if you do not have a personal vehicle.

  • What facilities are available at the car rental facility at Baltimore Washington International Airport?

    Travelers who need to drop off or pick up their rental cars outside of normal business hours may take advantage of the services offered by the vehicle rental facility at Baltimore Washington International Airport. A parking lot is available for use by patrons while they wait for service at the facility. Payphones and restrooms are available for use by passing customers. The facility is designed to accommodate those using wheelchairs and it also has a parking area just for disabled patrons.

  • Are there hotels near ORD Airport?

    The Hilton Chicago O'Hare Airport Hotel is located directly opposite terminals 1, 2, and 3. Additionally, it is linked to all domestic terminals by underground walkways and is accessible from terminal 5 via the Airport Transit System. It is a great option if you have an early morning flight.

  • What kind of parking services are offered at ORD Airport?

    At O'Hare International Airport (ORD), travelers may choose from a variety of parking options including valet service, parking that is paid by the hour or day, as well as long-term and economy parking.

  • What is the cheapest flight from Chicago to Baltimore?

    In the last 5 days, the lowest price for a flight from Chicago to Baltimore was $117 for a one-way ticket and $239 for a round-trip.

  • Do I need a passport to fly between Chicago and Baltimore?

    A passport is not required to fly from Chicago to Baltimore.

  • Which airports will I be using when flying from Chicago to Baltimore?

    On your way to Baltimore, you’ll fly out from one of these Chicago airports: Chicago Midway or Chicago O'Hare Intl. You’ll be landing at Baltimore/Washington.

  • Which airlines offer Wi-Fi service onboard planes from Chicago to Baltimore?

    Only American Airlines offers inflight Wi-Fi service on the Chicago to Baltimore flight route.

  • Which aircraft models fly most regularly from Chicago to Baltimore?

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

  • Which airline alliances offer flights from Chicago to Baltimore?

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

  • On which days can I fly direct from Chicago to Baltimore?

    There are nonstop flights from Chicago to Baltimore on a daily basis.

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

    The two airlines most popular with KAYAK users for flights from Chicago to Baltimore are Southwest and United Airlines. With an average price for the route of $333 and an overall rating of 7.9, Southwest is the most popular choice. United Airlines is also a great choice for the route, with an average price of $320 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Chicago to Baltimore?

    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 Chicago to Baltimore.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Chicago 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 Chicago to Baltimore?

    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 Baltimore with an airline and back to Chicago with another airline.

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

    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 Baltimore from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Chicago to Baltimore

  • Looking for a cheap flight? 25% of our users found flights on this route for $198 or less one-way and $310 or less round-trip.
  • Midway International Airport (MDW) and O'Hare International airport (ORD) are the city's two principal hubs for international travel. O'Hare International Airport is the most important airport for travel both inside the United States and outside the world. The city of Chicago is served by the satellite airport known as Chicago Midway Airport, which is capable of performing the same tasks as the city's principal airport.
  • If you are using O'Hare International airport (ORD), there are 15 clubs available to accommodate travelers who are waiting for their flights. Additionally, travelers who are utilizing Chicago Midway Airport have access to lounges located inside each terminal of the airport. These clubs provide guests with a variety of amenities, including charging stations, complimentary wireless internet, and bathroom facilities.
  • O'Hare International Airport (ORD) has a cozy nursing lounge for parents who are breastfeeding or pumping breast milk. Terminal 3 houses the airport's nursing area. The airport's yoga room and urban garden are located just next door. At O'Hare International Airport, there is a space known as the Mother's Room that offers a tranquil atmosphere for nursing parents who would like to care for their newborns in a more private setting. In addition to providing a space to shower and a sink, it also provides a pleasant lounging area.
  • At Baltimore/Washington International Airport (BWI), ATMs may be found on both the top and lower floors of the terminal building. You can easily access them to withdraw cash after landing.
  • All public bathrooms located throughout the BWI terminal are wheelchair accesssible for passengers who are traveling in a wheelchair.

Prefer to fly direct from Chicago to Baltimore?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Chicago to Baltimore/Washington.
Find which airlines fly direct from Chicago to Baltimore/Washington Airport, which days they fly and book direct flights.

Direct departures

Chicago to Baltimore/Washington

Monday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Southwest,United Airlines

American Airlines,Southwest, +1 more

Wednesday

American Airlines,Southwest,United Airlines

American Airlines,Southwest, +1 more

Thursday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Southwest,United Airlines

American Airlines,Southwest, +1 more

Sunday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

See more direct flights

Direct returns

Baltimore/Washington to Chicago

Monday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Tuesday

American Airlines,Southwest,United Airlines

American Airlines,Southwest, +1 more

Wednesday

American Airlines,Southwest,United Airlines

American Airlines,Southwest, +1 more

Thursday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Friday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Saturday

American Airlines,Southwest,United Airlines

American Airlines,Southwest, +1 more

Sunday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

See more direct flights

Reviews of the top 4 airlines serving from Chicago to Baltimore

 
See real verified KAYAK customer reviews for airlines flying from Chicago to Baltimore. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Chicago to Baltimore? 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 verified KAYAK customer reviews.
7.9
SouthwestOverall score based on 4249 reviews
8.1Boarding
7.5Entertainment
7.0Food
8.0Comfort
8.6Crew
Airline reviews

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

2.0 MediocreDawn, Jun 2026
BUF - BWI
Read more Southwest reviews

Flight coming out of Buffalo was delayed, so we had to be rescheduled on another flight from Baltimore to Phoenix which means we had a long layover and got home 3.5 hours late. Shuttle to parking stopped at 10pm, so we had to pay for an Uber to the parking lot and got charged an extra day of parking since it was after midnight. Not the best experience. Long day!

Southwest continues to do less for more money. Flight attendants used to be fun and friendly. But now it’s like they don’t even see you. Such a shame.

I liked it better when you were truer to your roots Am paying more for less fun

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

The last 3 flights between BWI and BDL canceled the beverage service mid- way. Just say up front that the fight is too short. Thanks!

I was assigned seat 7E, yet my boarding was Group 5, which caused me to have to put my luggage in the back of the plance above `19 or 20 aisle, as passengers who had boarded earlier took the overhead bins in the front. SW needs to monitor bin space and ensure that bin space above the seat are aligned to those sitting near their seats. Also the seating assignments needs to align with group number. Maybe board those last first and so on? Having said the ALL the passengers on the plane were gracious enough to allow me and other passengers in this dilema to retrieve our luggage and helped us along the way. I always love the flight staff, as always their fantastic and I can't rave about them enough!

WIFI was great. My selection for seating is an aisle, but during my trip, I never had an aisle seat. If we can get that corrected, I will be thrilled.

Departure was delayed more than 1/2 hour while we waited for luggage (only) transfer from another flight/plane. Once approved for takeoff, the flight was excellent.

All was good. I just had a hard time getting connected to the WiFi/internet during the flight

Know that the movies that you are going to be offered are the oldest be rated movies they could possibly get. They may have one or two new movies that they keep advertising but when you’re flying 15 hours, there is nothing to see past the first new movie.

Great experience. Boarding was fast, staff were very nice and funny, everything at the seat worked well.

Horrible! Several delays and then was cancelled! I spent over 24 hours in the airport and was unable to get a hotel or food voucher.

Not being stranded in Chicago for her airport to 11:30 tomorrow morning the 3rd

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

David went above and beyond to make our flight the best that it could be

The crew and flight was amazing. I haven't flown United in years but plan to switch to you being my main airline

Wouldn’t let me check in said couldn’t find a ticket had to wait very long Time

Seat cushions were worn down and it hurts as I seated under 5 hours of the plane ride.

I wish I had another choice. Domestic flight in the USA is atrocious.

The seat was not even cleaned. It has full of cookie crums probably from last flight's passenger. Its basic expectation that, seats are clean.

Very turbulent flight, no drinks, very little service, unorganized boarding, gate changed multiple times

The flight was delayed significantly. Communication during the flight was abrupt and caused some panic as we were navigating turbulence. It was also too loud and every announcement felt startling. The flight attendants did not offer any assurances and I felt unsettled most of the flight. The seats, floor and tray table was very dirty. The seat next to me was broken and the passenger sitting there was very uncomfortable. He had a spring in his back and his seat made terrible squeaking noises through the flight.

Significant delays on my trip to Chicago and my trip back to NY

Delayed by 5 hours and I had to wit in the airport for more than 6+ hours.

I’ve got 31F seat and window seat . My 2 co passengers was AA crew members and they were very rude attitude and when I was going to use bathroom their gestures was very different and awkward and the guy beside me completely occupied the hand rest and I was really uncomfortable

It was so much better than expected, Ohare is not such a pleasant experience but American Airlines with the new, clean aeroplane and free Wi-Fi was outstanding and the crew so pleasant and helpful.

The flight changed gates multiple times and flight had to be delayed multiple times

I like that the crew kept us informed but we moved back and forth from gate to gate before the aircraft arrived.

Boarding went fine, the plane was clean, and the crew was very friendly. Seats were a bit cramped, but that seems to be typical on all airlines anymore. Cookies and pretzels were offered as were beverages - the usual. I’d fly American again.

Flight was canceled. Most upsetting was message from Kayak, stating that the flight was canceled and click with Kayak for details regarding rebook, refund details. THERE'S NO INFORMATION PROVIDED BY KAYAK EXCEPT THAT FLIGHT IS CANCELED. AND NOW THIS SURVEY TO FIND OUT HOW WAS THE FLIGHT !!!!!!!

Better than expected. Staff were friendly and nice on both flights.

Inbound plane was on time and flight departed on time with no issues while boarding.

Just know that everything, and I mean everything is “ala cart”. 60$ just to put something in the overhead bin. I will never fly Frontier again nor do I recommend them to anyone else.

Great for the price. No wifi or entertainment, but gate agents and crew were fantastic and we boarded quickly and left on time.

After boarding and un-boarding twice over 6+hours, the flight was canceled.

The Boarding process in Denver was chaotic, and since the line was so long, we were lined up very far from the gate. If there were any announcements from the gate staff, we didn't hear them. The flight attendants were spectacular. The only negative part of the flight was sitting by a 2 1/2 year old who was unruly and unfortunately had parents that matched his behaviors. Also, the restaurants in Denver on the E concourse, they didn't have food (passengers could only order 1 item on the entire menu) or the restaurants had 12-14 people waiting for orders to be prepared and another 6 people waiting to order. If you have a layover in Denver and need to grab food, be prepared to visit the shops with pre-packaged sandwiches, or you can visit another concourse but it may take a while to transit throughout the airport.

Our flight was canceled for no known reason. We weren’t told until we were checking in at 5:00 am. This was after our last flight with Frontier where we sat on the plane for three hours (not an exaggeration) before we took off because of a mechanical issue. We won’t be flying Frontier again.

30 minute delay due to boarding and settling of a family.

Flight was fine, but the legroom between seats for taller passengers is very tight and bad on the knees. I t is very hard to find an angle, that works, especially on a long flight!!!

Everything you need to know for your flight from Chicago to Baltimore

Other airlines flying from Chicago to Baltimore

Flights from the other most popular airlines that fly from Chicago to Baltimore according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

Compare transportation modes for Chicago to Baltimore

Transportation modeAverage priceAverage duration
Flights$4321h 55m
Trains$34524h 46m