Cheap flights from Baltimore to Chicago from $55

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 2/28. 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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Spirit Airlines Logo
10:06 am - 9:13 pm
BWI
-
ORD
12h 07m
1 stop
Spirit Airlines Logo
10:44 am - 10:53 pm
ORD
-
BWI
11h 09m
1 stop
$102Spirit Airlines
Tue, Feb 24 - Tue, Mar 3
Frontier Logo
7:19 pm - 8:46 pm
BWI
-
ORD
2h 27mnonstop
Frontier Logo
4:42 pm - 12:31 am
ORD
-
BWI
6h 49m
1 stop
$103Frontier
Thu, Feb 19 - Sat, Feb 21
Multiple Airlines Logo
9:19 am - 10:46 am
BWI
-
ORD
2h 27mnonstop
Multiple Airlines Logo
8:16 pm - 9:06 am
ORD
-
BWI
11h 50m
1 stop
$104Multiple Airlines
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
12:30 pm - 11:22 am
BWI
-
ORD
23h 52m
1 stop
Multiple Airlines Logo
3:15 pm - 6:24 pm
ORD
-
BWI
2h 09mnonstop
$105Multiple Airlines
Tue, Feb 17 - Thu, Feb 19
Frontier Logo
9:19 am - 10:46 am
BWI
-
ORD
2h 27mnonstop
Frontier Logo
3:21 pm - 8:26 am
ORD
-
BWI
16h 05m
1 stop
$106Frontier
Thu, Feb 26 - Thu, Mar 5
Multiple Airlines Logo
12:30 pm - 7:11 pm
BWI
-
ORD
7h 41m
1 stop
Multiple Airlines Logo
11:51 am - 12:31 am
ORD
-
BWI
11h 40m
1 stop
$107Multiple Airlines
Wed, Feb 25 - Wed, Mar 4
Spirit Airlines Logo
12:30 pm - 9:13 pm
BWI
-
ORD
9h 43m
1 stop
Spirit Airlines Logo
8:16 pm - 9:06 am
ORD
-
BWI
11h 50m
1 stop
$108Spirit Airlines
Tue, Feb 24 - Fri, Feb 27
Frontier Logo
9:19 am - 10:46 am
BWI
-
ORD
2h 27mnonstop
Frontier Logo
6:05 pm - 9:14 pm
ORD
-
BWI
2h 09mnonstop
$109Frontier
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
7:19 pm - 8:46 pm
BWI
-
ORD
2h 27mnonstop
Frontier Logo
4:42 pm - 12:31 am
ORD
-
BWI
6h 49m
1 stop
$111Frontier
Thu, Feb 19 - Fri, Feb 20
Frontier Logo
6:00 am - 5:12 pm
BWI
-
ORD
12h 12m
1 stop
Frontier Logo
3:15 pm - 6:24 pm
ORD
-
BWI
2h 09mnonstop
$112Frontier
Tue, Feb 10 - Thu, Feb 19

Frontier flights from Baltimore to Chicago

Our best Frontier deals on Baltimore to Chicago flight tickets
Frontier
Feb 6
BWI10:00 amBaltimore/Washington
2h 27m
ORD11:27 amChicago O'Hare Intl
Feb 9
ORD8:45 amChicago O'Hare Intl
2h 00m
BWI11:45 amBaltimore/Washington
$102
Frontier
Feb 19
BWI7:19 pmBaltimore/Washington
2h 27m
ORD8:46 pmChicago O'Hare Intl
Feb 21
ORD4:42 pmChicago O'Hare Intl
6h 49m
1 stop
BWI12:31 amBaltimore/Washington
$103
Frontier
Feb 26
BWI9:19 amBaltimore/Washington
2h 27m
ORD10:46 amChicago O'Hare Intl
Mar 5
ORD3:21 pmChicago O'Hare Intl
16h 05m
1 stop
BWI8:26 amBaltimore/Washington
$106

Spirit Airlines flights from Baltimore to Chicago

Our best Spirit Airlines deals on Baltimore to Chicago flight tickets
Spirit Airlines
Feb 24
BWI10:06 amBaltimore/Washington
12h 07m
1 stop
ORD9:13 pmChicago O'Hare Intl
Mar 3
ORD10:44 amChicago O'Hare Intl
11h 09m
1 stop
BWI10:53 pmBaltimore/Washington
$102
Spirit Airlines
Feb 24
BWI12:30 pmBaltimore/Washington
9h 43m
1 stop
ORD9:13 pmChicago O'Hare Intl
Feb 27
ORD8:16 pmChicago O'Hare Intl
11h 50m
1 stop
BWI9:06 amBaltimore/Washington
$108
Spirit Airlines
Feb 25
BWI6:20 amBaltimore/Washington
13h 51m
1 stop
ORD7:11 pmChicago O'Hare Intl
Mar 4
ORD5:15 amChicago O'Hare Intl
11h 31m
1 stop
BWI5:46 pmBaltimore/Washington
$117

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 January 29, 2026.
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

Tue 2/24

10:06 am-9:13 pm

1 stop12h 07m

Chicago O'Hare Intl

Tue 3/3

10:44 am-10:53 pm

1 stop11h 09m

$102

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 2/19

7:19 pm-8:46 pm

Nonstop2h 27m

Chicago O'Hare Intl

Sat 2/21

4:42 pm-12:31 am

1 stop6h 49m

$103

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 3/5

9:19 am-10:46 am

Nonstop2h 27m

Chicago O'Hare Intl

Mon 3/9

8:16 pm-9:06 am

1 stop11h 50m

$104

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 2/17

12:30 pm-11:22 am

1 stop23h 52m

Chicago O'Hare Intl

Thu 2/19

3:15 pm-6:24 pm

Nonstop2h 09m

$105

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 2/26

9:19 am-10:46 am

Nonstop2h 27m

Chicago O'Hare Intl

Thu 3/5

3:21 pm-8:26 am

1 stop16h 05m

$106

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Wed 2/25

12:30 pm-7:11 pm

1 stop7h 41m

Chicago O'Hare Intl

Wed 3/4

11:51 am-12:31 am

1 stop11h 40m

$107

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 2/24

12:30 pm-9:13 pm

1 stop9h 43m

Chicago O'Hare Intl

Fri 2/27

8:16 pm-9:06 am

1 stop11h 50m

$108

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 2/26

9:19 am-10:46 am

Nonstop2h 27m

Chicago O'Hare Intl

Sun 3/1

6:05 pm-9:14 pm

Nonstop2h 09m

$109

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 2/19

7:19 pm-8:46 pm

Nonstop2h 27m

Chicago O'Hare Intl

Fri 2/20

4:42 pm-12:31 am

1 stop6h 49m

$111

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Tue 2/10

6:00 am-5:12 pm

1 stop12h 12m

Chicago O'Hare Intl

Thu 2/19

3:15 pm-6:24 pm

Nonstop2h 09m

$112

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 September is, on average, the cheapest month to fly to Chicago from Baltimore, with most prices found around $161. If you’re not able to fly to Chicago in September, then January is your next best option. Flight prices from Baltimore to Chicago during January average around $178.

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 $378. 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 $500.

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 $353. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $418.

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

Fly from Baltimore/Washington to Chicago O'Hare Intl 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 $278 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 $188 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 January 2026, prices for Baltimore to Chicago flights are approximately 13% 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

$121

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from Baltimore in the past 72 hours is $121. The best round-trip flight deal from Baltimore to Chicago found on momondo in the last 72 hours is $219.
The fastest flight from Baltimore to Chicago takes 2h 00m
Direct flights go from Baltimore to Chicago every day.
There are 3 airports in Chicago. From Baltimore there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
  • 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 $41Free CancellationRating
6.3
8,394 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.7
3,056 reviews
Search Frontier flights
SouthwestPriceFrom $148Free CancellationRating
8.0
4,267 reviews
Search Southwest flights
United AirlinesPriceFrom $153Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.2
11,205 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 30 flights/week on average for this route. A good Southwest flight deal for Baltimore to Chicago starts from $148 round-trip, up to an average price of $293. 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 $153, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $303 round-trip. United Airlines operates 10 flights out of Baltimore into Chicago in an average week, so prices vary by time and availability. 9,215 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
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
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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1 adult
Sat 2/28
Sat 3/7

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