CHI - BWI

$83 Find Cheap Flights from Chicago to Baltimore - Compare and Save

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Everything you should know

Cheapest round-trip
$113
Typical prices: $164-$348
Frontier
Mon 10/1Fri 10/5
ORD - BWI • 1 stop
Cheapest non-stop
$115
Typical prices: $167-$353
Frontier
Wed 9/19Fri 9/21
ORD - BWI • Non-stop
Nonstop flights
You can fly direct with Southwest, United Airlines and others. Average duration is 2h 01m.
Direct flights
+1
Direct flights
+1
Top routes
Cheapest • 6% 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 41% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 28% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $144 (round-trip)
Shortest trip • 4h 06m (one-way)
Insights
Insights
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Expert advice
Flight Deals

Cheap Flights from Chicago to Baltimore (CHI-BWI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Baltimore

Thu, Oct 1 - Mon, Oct 5
Frontier Logo
10:26 am - 4:46 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
5h 20m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
10:20 am - 11:40 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 20mnonstop
$113Frontier
Thu, Sep 17 - Mon, Sep 21
Frontier Logo
6:20 am - 9:25 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 05mnonstop
Frontier Logo
1:29 pm - 7:35 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
7h 06m1 stop Dallas/Fort Worth
$114Frontier
Tue, Oct 6 - Wed, Oct 7
United Airlines Logo
5:55 pm - 9:02 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 07mnonstop
United Airlines Logo
5:29 pm - 6:49 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 20mnonstop
$177United Airlines
Mon, Oct 5 - Sat, Oct 10
United Airlines Logo
7:45 pm - 10:59 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 14mnonstop
United Airlines Logo
5:29 pm - 6:49 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 20mnonstop
$177United Airlines
Thu, Oct 1 - Mon, Oct 5
Southwest Logo
7:25 am - 10:10 amMDW  Chicago Midway-BWI Baltimore/Washington
1h 45mnonstop
Southwest Logo
9:00 pm - 10:00 pmBWI  Baltimore/Washington-MDW Chicago Midway
2h 00mnonstop
$177Southwest
Thu, Sep 24 - Mon, Sep 28
Southwest Logo
9:00 am - 11:55 amMDW  Chicago Midway-BWI Baltimore/Washington
1h 55mnonstop
Southwest Logo
6:30 am - 7:30 amBWI  Baltimore/Washington-MDW Chicago Midway
2h 00mnonstop
$177Southwest
Mon, Sep 28 - Thu, Oct 1
American Airlines Logo
6:58 am - 10:07 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 09mnonstop
American Airlines Logo
6:01 am - 7:30 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 29mnonstop
$177American Airlines
Sat, Oct 10 - Mon, Oct 12
American Airlines Logo
9:12 pm - 12:16 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 04mnonstop
American Airlines Logo
7:17 am - 8:45 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 28mnonstop
$177American Airlines
Thu, Jan 14 - Sat, Jan 16
Delta Logo
5:30 am - 11:48 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
5h 18m1 stop Atlanta Hartsfield-Jackson
Delta Logo
11:00 am - 4:37 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
6h 37m1 stop Detroit Metropolitan Wayne County
$197Delta
Sat, Oct 24 - Mon, Oct 26
Delta Logo
1:23 pm - 8:20 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
5h 57m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:37 pm - 4:32 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
4h 55m1 stop Detroit Metropolitan Wayne County
$197Delta
Booking Insights

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 from Chicago to Baltimore with more confidence.

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

Round-trip flights from Chicago to Baltimore start at $113. Prices are below average for this route right now, with typical round-trip fares ranging from $164 to $348. The lowest price found in the past 5 days was $113 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 $241 round-trip. Other Chicago to Baltimore routes average $272, based on KAYAK data over the past 12 months.

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

Thursday is the cheapest day of the week to fly from Chicago to Baltimore, it is 14% cheaper than the average day. Tuesday is the most expensive day with flight prices 14% higher than average. Based on deals found by KAYAK users in the last 12 months.

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

  • September is the cheapest month to fly from Chicago to Baltimore at $180 round-trip.
  • July ($363) and June ($360) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 101% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Chicago to Baltimore the cheapest?

Flights from Chicago to Baltimore are cheapest 21 weeks before departure. Booking in this window typically costs about 41% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

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 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.

Key details for Chicago to Baltimore flights

Low season

March

Cheapest flight

$83
Best time to beat the crowds but there is an average 19% increase in price.
Most popular time to fly with an average 3% increase in price.
Flight from Chicago O'Hare Intl 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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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.

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

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

  • What airlines are available 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

  • 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).

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

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

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

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

    • Economy Class
    • Premium Economy Class
    • First Class

  • 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 $144 round-trip via Denver Intl (DEN), compared to $256 for nonstop.

  • 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.

  • 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) - 61% of one-stop connections
    • Detroit Metropolitan Wayne County (DTW) - 8% of one-stop connections
    • Orlando (MCO) - 8% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 7% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 24% on the Chicago to Baltimore route. Thursday is the cheapest departure day at $217 round-trip on average, while Tuesday is the most expensive at $285, a difference of $68. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • 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, 19% of flights were delayed in the past 3 months, with delays averaging 2 hours 14 minutes.

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

    Morning is the busiest departure period on Chicago to Baltimore flights, with 43% of flights leaving in that window. Afternoon departures account for 29%, evening flights for 21%, and night flights for 7%.

  • What popular places can I visit in Baltimore?

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

  • 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 7:01 am
    • Latest: departs at 9:20 pm and lands at 11:21 pm.

    The flight takes about 2h 01m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 28% above the route average of $250. Book 21 weeks before departure for the lowest fares.

  • How long is a flight from Chicago to Baltimore?

    A nonstop flight from Chicago to Baltimore takes 2h 01m, 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.

  • 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 $113 to $804. That means the highest observed fare was about 7x higher than the lowest one.

  • 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 $90, which is 47% below the typical average for this route.

  • How does Frontier’s on-time performance compare to other airlines on Chicago to Baltimore flights?

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

    • Frontier: 84% on time
    • Southwest: 83% on time
    • American Airlines: 81% on time

    Overall, flights on this route are on time 81% of the time on average.

  • How do delay rates compare for morning and evening flights from Chicago to Baltimore?

    Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

  • 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 06m, compared with 4h 09m via Buffalo (BUF) and 4h 56m 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 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 $25 for economy cars. Top options include:
    · NextCar
    · Hertz
    · Dollar
    · Thrifty
    · Budget

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

    Round-trip flights from Chicago to Baltimore range from $164 to $348, with an average of $250 over the past 12 months. Anything below $164 counts as a good deal.

  • 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.

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 can be flexible, aim for a Thursday departure instead of Tuesday. On this route, Thursday flights average $217 - about $68 less than Tuesday (24% 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 41% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Chicago to Baltimore trip for September. Fares historically average $180 round-trip in that month - typically $183 less than the most expensive month, which is July (based on the last 12 months).
  • If arriving on time is high on your priority list, Frontier is the strongest pick on this route. 84% of Frontier flights from Chicago to Baltimore arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 81%. When flights on this route do arrive late, the average delay is 2 hours 14 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $144 round-trip on this route - about $112 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,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,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,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,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

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

Other airlines flying from Chicago to Baltimore