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Cheap flights from Baltimore to Chicago from $63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Chicago departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Frontier Logo
9:59 pm - 11:20 pmBWI-ORD
2h 21mnonstop
Frontier Logo
11:45 am - 7:07 pmORD-BWI
6h 22m1 stop
$105Frontier
Find Deal
Mon, Sep 29 - Tue, Sep 30
Frontier Logo
4:02 pm - 5:18 pmBWI-ORD
2h 16mnonstop
Frontier Logo
12:11 pm - 3:14 pmORD-BWI
2h 03mnonstop
$106Frontier
Find Deal
Fri, Nov 14 - Sun, Nov 16
Multiple Airlines Logo
6:18 am - 10:41 amBWI-ORD
5h 23m1 stop
Multiple Airlines Logo
7:56 pm - 10:54 pmORD-BWI
1h 58mnonstop
$121Multiple Airlines
Find Deal
Thu, Oct 30 - Thu, Nov 6
Multiple Airlines Logo
6:15 am - 10:41 amBWI-ORD
5h 26m1 stop
Multiple Airlines Logo
7:56 pm - 10:54 pmORD-BWI
1h 58mnonstop
$122Multiple Airlines
Find Deal
Thu, Nov 13 - Sun, Nov 16
Spirit Airlines Logo
4:00 pm - 1:03 amBWI-ORD
10h 03m1 stop
Spirit Airlines Logo
3:11 pm - 6:05 pmORD-BWI
1h 54mnonstop
$137Spirit Airlines
Find Deal
Tue, Nov 4 - Fri, Nov 7
Spirit Airlines Logo
10:48 am - 11:42 pmBWI-ORD
13h 54m1 stop
Spirit Airlines Logo
7:56 pm - 10:54 pmORD-BWI
1h 58mnonstop
$138Spirit Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
Southwest Logo
5:30 pm - 6:30 pmBWI-MDW
2h 00mnonstop
Southwest Logo
7:40 pm - 10:30 pmMDW-BWI
1h 50mnonstop
$139Southwest
Find Deal
Tue, Oct 21 - Wed, Oct 22
United Airlines Logo
5:20 pm - 6:35 pmBWI-ORD
2h 15mnonstop
United Airlines Logo
2:20 pm - 5:14 pmORD-BWI
1h 54mnonstop
$139United Airlines
Find Deal
Sat, Oct 25 - Tue, Oct 28
United Airlines Logo
5:20 pm - 6:35 pmBWI-ORD
2h 15mnonstop
United Airlines Logo
7:00 am - 9:55 amORD-BWI
1h 55mnonstop
$149United Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Southwest Logo
2:30 pm - 3:30 pmBWI-MDW
2h 00mnonstop
Southwest Logo
5:50 am - 8:35 amMDW-BWI
1h 45mnonstop
$158Southwest
Find Deal
Sat, Oct 25 - Mon, Oct 27

Spirit Airlines flights from Baltimore to Chicago

Our best Spirit Airlines deals on Baltimore to Chicago flight tickets
Spirit Airlines
Nov 4
BWI4:00 pmBaltimore/Washington
10h 03m
1 stop
ORD1:03 amChicago O'Hare Intl
Nov 7
ORD3:11 pmChicago O'Hare Intl
1h 54m
BWI6:05 pmBaltimore/Washington
$137
Find similar
Spirit Airlines
Nov 14
BWI10:48 amBaltimore/Washington
13h 54m
1 stop
ORD11:42 pmChicago O'Hare Intl
Nov 16
ORD7:56 pmChicago O'Hare Intl
1h 58m
BWI10:54 pmBaltimore/Washington
$138
Find similar
Spirit Airlines
Dec 12
BWI9:37 pmBaltimore/Washington
20h 27m
1 stop
ORD5:04 pmChicago O'Hare Intl
Dec 14
ORD7:56 pmChicago O'Hare Intl
1h 58m
BWI10:54 pmBaltimore/Washington
$156
Find similar

Frontier flights from Baltimore to Chicago

Our best Frontier deals on Baltimore to Chicago flight tickets
Frontier
Sep 29
BWI9:59 pmBaltimore/Washington
2h 21m
ORD11:20 pmChicago O'Hare Intl
Sep 30
ORD11:45 amChicago O'Hare Intl
6h 22m
1 stop
BWI7:07 pmBaltimore/Washington
$105
Find similar
Frontier
Nov 14
BWI4:02 pmBaltimore/Washington
2h 16m
ORD5:18 pmChicago O'Hare Intl
Nov 16
ORD12:11 pmChicago O'Hare Intl
2h 03m
BWI3:14 pmBaltimore/Washington
$106
Find similar
Frontier
Oct 24
BWI4:46 pmBaltimore/Washington
2h 29m
ORD6:15 pmChicago O'Hare Intl
Oct 26
ORD4:50 pmChicago O'Hare Intl
2h 03m
BWI7:53 pmBaltimore/Washington
$107
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Baltimore to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Mon 9/29

9:59 pm-11:20 pm

Nonstop2h 21m

Chicago O'Hare Intl

Tue 9/30

11:45 am-7:07 pm

1 stop6h 22m

$105

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 11/14

4:02 pm-5:18 pm

Nonstop2h 16m

Chicago O'Hare Intl

Sun 11/16

12:11 pm-3:14 pm

Nonstop2h 03m

$106

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 10/30

6:18 am-10:41 am

1 stop5h 23m

Chicago O'Hare Intl

Thu 11/6

7:56 pm-10:54 pm

Nonstop1h 58m

$121

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 11/13

6:15 am-10:41 am

1 stop5h 26m

Chicago O'Hare Intl

Sun 11/16

7:56 pm-10:54 pm

Nonstop1h 58m

$122

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 11/4

4:00 pm-1:03 am

1 stop10h 03m

Chicago O'Hare Intl

Fri 11/7

3:11 pm-6:05 pm

Nonstop1h 54m

$137

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 11/14

10:48 am-11:42 pm

1 stop13h 54m

Chicago O'Hare Intl

Sun 11/16

7:56 pm-10:54 pm

Nonstop1h 58m

$138

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Tue 10/21

5:30 pm-6:30 pm

Nonstop2h 00m

Chicago Midway

Wed 10/22

7:40 pm-10:30 pm

Nonstop1h 50m

$139

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 10/25

5:20 pm-6:35 pm

Nonstop2h 15m

Chicago O'Hare Intl

Tue 10/28

2:20 pm-5:14 pm

Nonstop1h 54m

$139

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 10/14

5:20 pm-6:35 pm

Nonstop2h 15m

Chicago O'Hare Intl

Tue 10/21

7:00 am-9:55 am

Nonstop1h 55m

$149

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Sat 10/25

2:30 pm-3:30 pm

Nonstop2h 00m

Chicago Midway

Mon 10/27

5:50 am-8:35 am

Nonstop1h 45m

$158

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Baltimore to Chicago

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from Baltimore, with most prices found around $174. If you’re not able to fly to Chicago in January, then September is your next best option. Flight prices from Baltimore to Chicago during September average around $182.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Friday when prices can be found for as low as $386. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Baltimore to Chicago for around $498.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from Baltimore to Chicago during this time can be as low as $336. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $434.

What is the cheapest Baltimore/Washington to Chicago flight route?

Fly from Baltimore/Washington to Chicago Midway for the best Baltimore/Washington - Chicago flight prices

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

You are more likely to see cheaper flights to Chicago from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $282 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Baltimore for as low as $223 on momondo.

What cabin class options are available on Baltimore/Washington to Chicago flights?

There are 4 cabin classes available to choose from on Baltimore/Washington to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Baltimore to Chicago flight prices changed over time?

As of September 2025, prices for Baltimore to Chicago flights are approximately 31% more expensive when compared to flights at the same time last year.

When to book flights from Baltimore to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Chicago (BWI to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Chicago

Best Price Found

$84

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Chicago

1 airport
The best one-way flight to Chicago from Baltimore in the past 72 hours is $84. The best round-trip flight deal from Baltimore to Chicago found on momondo in the last 72 hours is $139.
The fastest flight from Baltimore to Chicago takes 2h 00m
Direct flights go from Baltimore to Chicago every day.
There is 1 airport near Chicago: Chicago Midway (MDW)
Search flight deals

  • How far is Baltimore/Washington to Chicago by plane?

    The distance between Baltimore/Washington and Chicago is about 604.1 mi. Typically, this will take 2h 00m by plane in normal conditions.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Chicago?

    Prices for flights from Baltimore/Washington Airport to Chicago are updated daily.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Chicago?

  • How old do you have to be to fly from Baltimore/Washington Airport to Chicago?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The travel and health documents required for your trip to Chicago can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Baltimore to Chicago?

  • What is the most popular airline from Baltimore to Chicago?

Best airlines flying from Baltimore to Chicago

Compare and see reviews for airlines that fly from Baltimore to Chicago with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $46Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
FrontierPriceFrom $62Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $98Free CancellationRating
7.9
7,961 reviews
Search Delta flights
SouthwestPriceFrom $157Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Southwest Flights From Baltimore to Chicago

    Southwest is one of the most popular airlines flying from Baltimore to Chicago, operating 66 flights/week on average for this route. A good Southwest flight deal for Baltimore to Chicago starts from $157 round-trip, up to an average price of $291. Our users have rated Southwest at 8.0/10.

  • United Airlines Flights From Baltimore to Chicago

    The best United Airlines deal for Baltimore to Chicago flight tickets found on momondo in the last 72 hours was $158, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $305 round-trip. United Airlines operates 23 flights out of Baltimore into Chicago in an average week, so prices vary by time and availability. 8,926 United Airlines reviews by users on momondo have scored the airline at 7.4/10.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Baltimore.

Can I find flights from Baltimore to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Baltimore on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Baltimore to Chicago?

Once all potential Baltimore to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Baltimore to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport