CHI - BWI

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Everything you should know

Cheapest round-trip
$165
Typical prices: $187-$377
Frontier
Fri 11/9Mon 11/12
ORD - BWI • 1 stop
Cheapest non-stop
$166
Typical prices: $189-$384
Frontier
Tue 10/30Tue 11/6
ORD - BWI • Non-stop
Nonstop flights
You can fly direct with Southwest, United Airlines and others. Average duration is 2h.
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 7% average savings
Most popular
Insights
Insights
Avoid delays
Most punctual • 84% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travelers who book at least 21 weeks in advance save around 53% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 30% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $191 (round-trip)
Shortest trip • 4h 04m (one-way)
Insights
Insights
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We hope you love your trip to Baltimore!

Cheap Flights from Chicago to Baltimore (CHI-BWI)

 

Cheap flights from Chicago to Baltimore with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Mon, Nov 9 - Thu, Nov 12
Frontier Logo
7:50 pm - 9:46 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
12h 56m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:00 am - 6:45 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
9h 45m1 stop Atlanta Hartsfield-Jackson
$165Frontier
Thu, Nov 19 - Sat, Nov 21
Frontier Logo
6:00 am - 8:57 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
1h 57mnonstop
Frontier Logo
2:29 pm - 3:57 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 28mnonstop
$166Frontier
Tue, Oct 27 - Sun, Nov 1
United Airlines Logo
11:00 am - 2:06 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 06mnonstop
United Airlines Logo
6:10 am - 7:32 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 22mnonstop
$190United Airlines
Mon, Oct 26 - Thu, Oct 29
Multiple Airlines Logo
2:42 pm - 2:50 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
23h 08m1 stop Fort Lauderdale
Multiple Airlines Logo
9:53 am - 11:23 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 30mnonstop
$202Multiple Airlines
Mon, Dec 21 - Tue, Dec 29
Multiple Airlines Logo
10:53 am - 2:00 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 07mnonstop
Multiple Airlines Logo
6:05 am - 11:33 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
18h 28m1 stop Fort Lauderdale
$202Multiple Airlines
Wed, Nov 4 - Wed, Nov 11
United Airlines Logo
4:05 pm - 7:09 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 04mnonstop
United Airlines Logo
10:09 am - 11:29 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 20mnonstop
$209United Airlines
Tue, Nov 3 - Tue, Nov 3
Southwest Logo
12:50 pm - 3:30 pmMDW  Chicago Midway-BWI Baltimore/Washington
1h 40mnonstop
Southwest Logo
5:50 pm - 6:55 pmBWI  Baltimore/Washington-MDW Chicago Midway
2h 05mnonstop
$209Southwest
Sat, Nov 14 - Sat, Nov 14
Southwest Logo
1:25 pm - 4:10 pmMDW  Chicago Midway-BWI Baltimore/Washington
1h 45mnonstop
Southwest Logo
6:30 pm - 7:40 pmBWI  Baltimore/Washington-MDW Chicago Midway
2h 10mnonstop
$209Southwest
Sat, Oct 31 - Sat, Nov 7
American Airlines Logo
8:00 am - 11:10 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 10mnonstop
American Airlines Logo
11:48 am - 1:18 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 30mnonstop
$209American Airlines
Sat, Nov 21 - Tue, Dec 1
American Airlines Logo
8:03 am - 11:11 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 08mnonstop
American Airlines Logo
7:11 am - 8:53 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 42mnonstop
$209American Airlines

Price, demand and travel trends for Chicago to Baltimore flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Chicago to Baltimore typically range from $187 to $377. The lowest price found in the past 5 days was $165, on Frontier.

What is the cheapest Chicago to Baltimore flight route?

Chicago O'Hare Intl Airport (ORD) to Baltimore (BWI) is the cheapest Chicago to Baltimore route, averaging $265 round-trip. Other Chicago to Baltimore routes average $307, based on KAYAK data over the past 12 months.

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

Based on deals KAYAK users found in the last 12 months, Thursday is the cheapest day of the week to fly from Chicago to Baltimore. It’s 10% cheaper than the average day, while Monday is the most expensive, with prices 15% higher.

What’s the cheapest month to fly from Chicago to Baltimore?

•January is the cheapest month to fly from Chicago to Baltimore at $194 round-trip.
•July ($363) and June ($357) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 87% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Chicago to Baltimore the cheapest?

Flights from Chicago to Baltimore are cheapest 21 weeks before departure. Booking in this window typically costs about 53% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice for your flight from Chicago to Baltimore

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines, Frontier, 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.

Key details for Chicago to Baltimore flights

Low season

March

Cheapest flight

$90
The most popular month to fly with an average 30% increase in travelers.
One-way 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

Your Chicago to Baltimore flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Chicago to Baltimore?

    These are the earliest and latest flight times available from Chicago to Baltimore:

    • Earliest: departs at 5:00 am and lands at 7:00 am
    • Latest: departs at 9:36 pm and lands at 11:36 pm.

    The flight takes about 2h.

  • What cabin classes can I book on flights from Chicago to Baltimore?

    Four cabin classes are available on flights from Chicago to Baltimore:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How long is a flight from Chicago to Baltimore?

    A nonstop flight from Chicago to Baltimore takes 2h, covering 604 miles.

  • Do I need a passport to fly from Chicago to Baltimore?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Chicago to Baltimore flight?

    Round-trip flights from Chicago to Baltimore range from $187 to $377, with an average of $278 over the past 12 months. Anything below $187 counts as a good deal.

  • How expensive are last-minute Chicago to Baltimore flights?

    Last-minute fares on this route (booked within two weeks of departure) run 39% above the $278 route average. Book 21 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Chicago to Baltimore?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $191 round-trip via Fort Lauderdale (FLL), compared to $287 for nonstop.

  • How does on-time performance compare across airlines flying from Chicago to Baltimore?

    Southwest is slightly above the route average for timely arrivals, while Frontier has a lower on-time arrival rate. On-time arrival rates on Chicago to Baltimore flights are:

    • Southwest: 84% on time
    • Frontier: 82% on time
    • American Airlines: 81% on time

    Overall, flights on this route are punctual 82% of the time on average.

  • What is the standard checked-bag allowance on flights from Chicago to Baltimore?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $37–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • How are flight departures from Chicago to Baltimore spread across the day?

    Morning is the busiest departure period on Chicago to Baltimore flights, with 46% of flights leaving in that window. Afternoon departures account for 27%, evening flights for 18%, and night flights for 9%.

  • Have flight prices from Chicago to Baltimore changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $166 to $819. That means the highest observed fare was about 5x higher than the lowest one.

  • Which airlines offer Wi-Fi on Chicago to Baltimore flights?

    American Airlines is the only airline on the Chicago to Baltimore route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Chicago to Baltimore looking right now?

    One-way fares from Chicago to Baltimore are currently lower than usual. Average one-way flight prices are about $104, which is 44% below the typical average for this route.

  • What car rental options are available at Baltimore/Washington Airport (BWI)?

    Baltimore/Washington Airport (BWI) hosts 5 major car rental companies, with daily rates starting from around $27 for economy cars. Top options include:

    • NextCar
    • Hertz
    • Dollar
    • Budget
    • Thrifty

  • Which airports can I use when flying from Chicago to Baltimore?

    Flights from Chicago to Baltimore may depart from several airports in Chicago area, including Chicago Midway (MDW), Chicago O'Hare Intl (ORD) and Chicago Greater Rockford (RFD). Flights usually arrive at Baltimore/Washington (BWI).

  • What time of day has the fewest delays on flights from Chicago to Baltimore?

    Morning flights have the fewest delays on this route, while evening departures tend to have the most.

  • At what point is a flight considered delayed from Chicago to Baltimore?

    A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Chicago to Baltimore route, 18% of flights were delayed in the past 3 months, with delays averaging 1h 46m.

  • Which airports do connecting flights from Chicago to Baltimore pass through?

    One-stop flights from Chicago to Baltimore most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 68% of one-stop connections
    • Orlando (MCO) - 8% of one-stop connections
    • Fort Lauderdale (FLL) - 7% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 7% of one-stop connections

  • Can I save money by using flexible dates for flights from Chicago to Baltimore?

    Yes. Flexible dates can save you up to 22% on flights from Chicago to Baltimore. Thursday is the cheapest departure day at $251 round-trip on average, while Monday is the most expensive at $320, a difference of $69.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Chicago to Baltimore?

    4 airlines operate flights between Chicago and Baltimore. The airlines offering nonstop flights on this route include:

    • Southwest
    • United Airlines
    • American Airlines
    • Frontier

  • How much time can I save by choosing a different layover airport from Chicago to Baltimore?

    Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 04m, compared with 4h 09m via Buffalo (BUF) and 4h 44m via Chicago O'Hare Intl (ORD).

  • What is the time difference between Chicago and Baltimore?

    Baltimore is 1 hour ahead of Chicago (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Baltimore?

    Some of the most popular sights in Baltimore are M&T Bank Stadium, National Aquarium Baltimore and Oriole Park At Camden Yards. These are among the most viewed places in Baltimore on KAYAK.

  • Which airlines offer extra legroom and free seat selection on Chicago to Baltimore flights?

    Among airlines operating Chicago to Baltimore flights:

    • United Airlines: offers extra legroom; offers free seat selection
    • Frontier: offers free seat selection
    • Southwest: offers free seat selection
    • American Airlines: offers extra legroom; offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Chicago to Baltimore flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • United Airlines: a cabin bag and a checked bag in Economy Class
    • Frontier: a cabin bag and a checked bag in Economy Class
    • Southwest: a cabin bag and a checked bag in Economy Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

  • 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.

Your guide to booking Chicago to Baltimore flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Thursday departure and avoid flying on Monday. On this route, Thursday flights average $251, about $69 less than Monday fares (22% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 21 weeks before you fly. On this route, that window historically saves about 53% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago to Baltimore trip for January. Fares historically average $194 round-trip in that month - typically $169 less than the most expensive month, which is July (based on the last 12 months).
  • For the best chance of arriving on time, fly with Southwest. Over the past three months, 84% of Southwest flights from Chicago to Baltimore arrived on time, slightly above the route average of 82%. When flights on this route arrive late, they're delayed by an average of 1h 46m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $191 round-trip on this route - about $96 less than direct flights (based on the last 12 months).
  • 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?

 
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,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 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,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 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,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Wednesday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 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,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

Sunday

American Airlines,Frontier,Southwest, +1 more

American Airlines,Frontier, +2 more

See more direct flights

More options for your flight from Chicago to Baltimore

Complete your trip to Baltimore with a hotel stay or car rental