Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Baltimore to Chicago from $36

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 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Baltimore to Chicago

Cheap round-trip flights

Frontier Logo
6:31 pm - 7:36 pmBWI-MDW
2h 05mnonstop
Frontier Logo
2:48 pm - 5:46 pmMDW-BWI
1h 58mnonstop
$77Frontier
Find Deal
mié., ago. 6 - mié., ago. 13
Frontier Logo
5:06 pm - 6:28 pmBWI-ORD
2h 22mnonstop
Frontier Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
$77Frontier
Find Deal
jue., ago. 21 - lun., ago. 25
Frontier Logo
5:45 pm - 6:48 pmBWI-MDW
2h 03mnonstop
Frontier Logo
1:59 pm - 4:55 pmMDW-BWI
1h 56mnonstop
$78Frontier
Find Deal
jue., oct. 2 - lun., oct. 6
Frontier Logo
5:06 pm - 6:28 pmBWI-ORD
2h 22mnonstop
Frontier Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
$78Frontier
Find Deal
jue., ago. 21 - lun., ago. 25
Frontier Logo
4:01 pm - 5:05 pmBWI-MDW
2h 04mnonstop
Frontier Logo
9:10 am - 12:06 pmMDW-BWI
1h 56mnonstop
$79Frontier
Find Deal
jue., ago. 21 - lun., ago. 25
Frontier Logo
5:06 pm - 6:28 pmBWI-ORD
2h 22mnonstop
Frontier Logo
1:15 pm - 4:21 pmORD-BWI
2h 06mnonstop
$79Frontier
Find Deal
jue., ago. 21 - lun., ago. 25
 Logo
9:59 pm - 11:20 pmBWI-ORD
2h 21mnonstop
 Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
jue., sep. 4 - dom., sep. 7
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
Spirit Airlines Logo
6:10 am - 9:02 amORD-BWI
1h 52mnonstop
$88Spirit Airlines
Find Deal
jue., sep. 4 - dom., sep. 7
Spirit Airlines Logo
10:04 am - 11:10 amBWI-ORD
2h 06mnonstop
Spirit Airlines Logo
6:20 am - 9:09 amORD-BWI
1h 49mnonstop
$90Spirit Airlines
Find Deal
jue., ago. 14 - jue., ago. 21
Spirit Airlines Logo
9:57 am - 11:10 amBWI-ORD
2h 13mnonstop
Spirit Airlines Logo
10:43 am - 6:30 pmORD-BWI
6h 47m1 stop
$108Spirit Airlines
Find Deal
jue., sep. 4 - dom., sep. 7

Spirit Airlines flights from Baltimore to Chicago

Our best Spirit Airlines deals on Baltimore to Chicago flight tickets
Spirit Airlines
Sep 4
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
Sep 7
ORD6:10 amChicago O'Hare Intl
1h 52m
BWI9:02 amBaltimore/Washington
Spirit Airlines
Aug 14
BWI10:04 amBaltimore/Washington
2h 06m
ORD11:10 amChicago O'Hare Intl
Aug 21
ORD6:20 amChicago O'Hare Intl
1h 49m
BWI9:09 amBaltimore/Washington
Spirit Airlines
Sep 4
BWI9:57 amBaltimore/Washington
2h 13m
ORD11:10 amChicago O'Hare Intl
Sep 7
ORD10:43 amChicago O'Hare Intl
6h 47m
1 stop
BWI6:30 pmBaltimore/Washington

Frontier flights from Baltimore to Chicago

Our best Frontier deals on Baltimore to Chicago flight tickets
Frontier
Aug 21
BWI5:06 pmBaltimore/Washington
2h 22m
ORD6:28 pmChicago O'Hare Intl
Aug 25
ORD1:15 pmChicago O'Hare Intl
2h 06m
BWI4:21 pmBaltimore/Washington
Frontier
Aug 21
BWI5:06 pmBaltimore/Washington
2h 22m
ORD6:28 pmChicago O'Hare Intl
Aug 25
ORD1:15 pmChicago O'Hare Intl
2h 06m
BWI4:21 pmBaltimore/Washington
Frontier
Aug 21
BWI5:06 pmBaltimore/Washington
2h 22m
ORD6:28 pmChicago O'Hare Intl
Aug 25
ORD1:15 pmChicago O'Hare Intl
2h 06m
BWI4:21 pmBaltimore/Washington

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 November is your next best option. Flight prices from Baltimore to Chicago during November average around $197.

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 $491.

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 $331. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $439.

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 $285 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 $227 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 July 2025, prices for Baltimore to Chicago flights are approximately 61% cheaper 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

$36

Fastest flight time

2h 00m

Direct flights

Mon, Tue, Wed, Fri, Sat and Sun

Airports in Chicago

2 airports
The best one-way flight to Chicago from Baltimore in the past 72 hours is $36. The best round-trip flight deal from Baltimore to Chicago found on momondo in the last 72 hours is $77.
The fastest flight from Baltimore to Chicago takes 2h 00m
Direct flights go from Baltimore to Chicago on Monday, Tuesday, Wednesday, Friday, Saturday and Sunday. Airlines offering direct flights are: Southwest, Spirit Airlines and Frontier.
There are 2 airports near Chicago: 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 03m 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 $55Free CancellationRating
6.3
8,103 reviews
Search Spirit Airlines flights
FrontierPriceFrom $58Free CancellationRating
5.9
3,291 reviews
Search Frontier flights
DeltaPriceFrom $98Free CancellationRating
8.0
7,975 reviews
Search Delta flights
American AirlinesPriceFrom $153Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $156Free CancellationRating
7.4
8,858 reviews
Search United Airlines flights
SouthwestPriceFrom $163Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
  • Southwest Flights From Baltimore to Chicago

    Southwest is one of the most popular airlines flying from Baltimore to Chicago, operating 52 flights/week on average for this route. A good Southwest flight deal for Baltimore to Chicago starts from $163 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 $156, round-trip. It should be noted that an average United Airlines flight deal for this route in this time was higher, at $300 round-trip. United Airlines operates 20 flights out of Baltimore into Chicago in an average week, so prices vary by time and availability. 8,861 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
Portage
Saint Joseph
Lansing
Schererville
Valparaiso
Crown Point
Munster
Monticello
Chesterton
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.


An easier way to manage your Chicago trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
lun. 7/7
lun. 7/14

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