How many flights depart from Illinois to Baltimore on average per day?

The number of flights available between Illinois and Baltimore is 33 per day as of June 2026. The most frequent departure time is 9:00PM, with 40% of daily flights leaving in the evening.

What is the cheapest airline that flies from Illinois to Baltimore/Washington?

Frontier, Southwest, and American Airlines are the most popular carriers operating from Illinois to Baltimore/Washington

What airlines fly to Baltimore?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Baltimore from Illinois according to our data. United Airlines is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Baltimore. Keep in mind that there are 6 different airlines that fly to Baltimore on a routine basis, so you have a few additional options to choose from.

How many flights depart from Illinois to Baltimore on average per week?

As of June 2026, 232 flights take off from Illinois and land in Baltimore each week. The most common flight departure day for this route is Fri, with 18% of weekly flights taking off on this day.

How long does it take to fly to Baltimore?

On average, it takes 2h 38m to fly from Illinois to Baltimore if you fly out of Chicago (the most popular airport in Illinois) and into Washington, D.C. Dulles Intl Airport (the most popular airport in Baltimore). If you’re flying out of Moline and into Washington, D.C. Dulles Intl Airport, then the flight time is around 4h 20m.

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

Prices for flights from Illinois to Baltimore/Washington Airport are refreshed on a daily basis.

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

As of June 2026, there are 5 operators available to choose from for flights from Illinois to Baltimore/Washington Airport.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Baltimore/Washington Airport.

What documentation or ID do you need to fly to Baltimore/Washington Airport?

The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$69 Cheap Flights from Illinois to Baltimore in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Washington, D.C.

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:57 pm - 11:17 pm

STL

BWI

5h 20m

1 stop

8:36 am - 5:37 pm

BWI

STL

10h 01m

1 stop

$144Frontier

Wed, Jul 15 - Tue, Jul 28

4:57 pm - 7:26 am

STL

BWI

13h 29m

1 stop

9:32 pm - 5:37 pm

BWI

STL

21h 05m

1 stop

$146Frontier

Fri, Aug 7 - Wed, Aug 12

11:45 am - 4:00 pm

MDW

BWI

3h 15m

1 stop

4:55 pm - 7:50 pm

BWI

MDW

3h 55m

1 stop

$238Southwest

Sat, Aug 22 - Mon, Aug 24

6:51 am - 9:58 am

ORD

BWI

2h 07mnonstop

5:02 am - 9:02 am

BWI

ORD

5h 00m

1 stop

$239American Airlines

Wed, Jul 22 - Wed, Jul 29

8:05 am - 12:20 pm

MDW

BWI

3h 15m

1 stop

11:45 am - 2:55 pm

BWI

MDW

4h 10m

1 stop

$240Southwest

Thu, Aug 20 - Mon, Aug 24

9:20 pm - 12:28 am

ORD

BWI

2h 08mnonstop

8:16 am - 9:30 am

BWI

ORD

2h 14mnonstop

$243United Airlines

Tue, Jul 21 - Thu, Jul 23

5:43 pm - 12:28 am

PIA

BWI

5h 45m

1 stop

6:15 am - 10:09 am

BWI

PIA

4h 54m

1 stop

$281United Airlines

Sat, Jul 25 - Sat, Aug 1

7:31 pm - 8:54 am

SPI

BWI

12h 23m

1 stop

9:38 pm - 7:41 pm

BWI

SPI

23h 03m

1 stop

$284Multiple Airlines

Wed, Aug 5 - Fri, Aug 14

6:58 pm - 12:33 am

PIA

BWI

4h 35m

1 stop

5:44 am - 9:17 am

BWI

PIA

4h 33m

1 stop

$285American Airlines

Wed, Jul 22 - Sat, Jul 25

7:31 pm - 3:34 pm

SPI

BWI

19h 03m

2 stops

9:38 pm - 7:41 pm

BWI

SPI

23h 03m

1 stop

$310Multiple Airlines

Wed, Aug 5 - Fri, Aug 14

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Frontier flights from Illinois to Baltimore

Our best Frontier deals on Illinois to Baltimore flight tickets

Frontier

Jul 15

STL4:57 pmLambert-St Louis

5h 20m

1 stop

BWI11:17 pmBaltimore/Washington

Jul 28

BWI8:36 amBaltimore/Washington

10h 01m

1 stop

STL5:37 pmLambert-St Louis

$144

Frontier

Aug 7

STL4:57 pmLambert-St Louis

13h 29m

1 stop

BWI7:26 amBaltimore/Washington

Aug 12

BWI9:32 pmBaltimore/Washington

21h 05m

1 stop

STL5:37 pmLambert-St Louis

$146

Frontier

Jul 21

STL6:34 pmLambert-St Louis

11h 52m

1 stop

BWI7:26 amBaltimore/Washington

Jul 28

BWI7:07 pmBaltimore/Washington

14h 50m

1 stop

STL8:57 amLambert-St Louis

$147

Southwest flights from Illinois to Baltimore

Our best Southwest deals on Illinois to Baltimore flight tickets

Southwest

Aug 22

MDW11:45 amChicago Midway

3h 15m

1 stop

BWI4:00 pmBaltimore/Washington

Aug 24

BWI4:55 pmBaltimore/Washington

3h 55m

1 stop

MDW7:50 pmChicago Midway

$238

Southwest

Aug 20

MDW8:05 amChicago Midway

3h 15m

1 stop

BWI12:20 pmBaltimore/Washington

Aug 24

BWI11:45 amBaltimore/Washington

4h 10m

1 stop

MDW2:55 pmChicago Midway

$240

Southwest

Jul 28

MDW8:10 amChicago Midway

2h 00m

BWI11:10 amBaltimore/Washington

Jul 30

BWI6:10 amBaltimore/Washington

2h 00m

MDW7:10 amChicago Midway

$243

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Wed 7/15

4:57 pm-11:17 pm

1 stop5h 20m

Baltimore/Washington

Tue 7/28

8:36 am-5:37 pm

1 stop10h 01m

$144

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Fri 8/7

4:57 pm-7:26 am

1 stop13h 29m

Baltimore/Washington

Wed 8/12

9:32 pm-5:37 pm

1 stop21h 05m

$146

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 8/22

11:45 am-4:00 pm

1 stop3h 15m

Baltimore/Washington

Mon 8/24

4:55 pm-7:50 pm

1 stop3h 55m

$238

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Wed 7/22

6:51 am-9:58 am

Nonstop2h 07m

Baltimore/Washington

Wed 7/29

5:02 am-9:02 am

1 stop5h 00m

$239

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Thu 8/20

8:05 am-12:20 pm

1 stop3h 15m

Baltimore/Washington

Mon 8/24

11:45 am-2:55 pm

1 stop4h 10m

$240

Quickest round-trip

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Tue 7/21

9:20 pm-12:28 am

Nonstop2h 08m

Baltimore/Washington

Thu 7/23

8:16 am-9:30 am

Nonstop2h 14m

$243

PeoriaBaltimore

PIA - BWI

PIABWI

Greater Peoria

Sat 7/25

5:43 pm-12:28 am

1 stop5h 45m

Baltimore/Washington

Sat 8/1

6:15 am-10:09 am

1 stop4h 54m

$281

SpringfieldBaltimore

SPI - BWI

SPIBWI

Springfield Capital

Wed 8/5

7:31 pm-8:54 am

1 stop12h 23m

Baltimore/Washington

Fri 8/14

9:38 pm-7:41 pm

1 stop23h 03m

$284

PeoriaBaltimore

PIA - BWI

PIABWI

Greater Peoria

Wed 7/22

6:58 pm-12:33 am

1 stop4h 35m

Baltimore/Washington

Sat 7/25

5:44 am-9:17 am

1 stop4h 33m

$285

SpringfieldBaltimore

SPI - BWI

SPIBWI

Springfield Capital

Wed 8/5

7:31 pm-3:34 pm

2 stops19h 03m

Baltimore/Washington

Fri 8/14

9:38 pm-7:41 pm

1 stop23h 03m

$310

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Baltimore

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

Prices

Airlines

Other information

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in February, then November is your next best option. Flight prices from Illinois to Baltimore during November average around $30.

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

The cheapest day to depart from Illinois to Baltimore is on a Friday. Travelers who choose to depart for Baltimore on a Friday will often find tickets for as low as $206. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $283. These prices are subject to change though, so be sure to set up a Price Alert for flights to Baltimore.

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

Flying to Baltimore from Illinois at noon is the least expensive time of day to depart. momondo users have found prices as low as $226 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $298.

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

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

How far in advance should I book a flight from Illinois to Baltimore?

You are more likely to see cheaper flights to Baltimore from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Baltimore for around $246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Baltimore from Illinois for as low as $159 on momondo.

What cabin class options are available on Illinois to Baltimore flights?

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

Can stopping save me money on Illinois to Baltimore flights?

You could potentially save up to 12% on your flight if you consider stops on a Illinois to Baltimore flight.

Cheap Illinois to Baltimore flight deals and tips

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

Best Price Found	$154
Fastest flight time	1h 45m
Direct flights	Every day
Airports in Baltimore	1 airport

The best one-way flight to Baltimore from Illinois in the past 72 hours is $154. The best round-trip flight deal from Illinois to Baltimore found on momondo in the last 72 hours is $311.

The fastest flight from Illinois to Baltimore takes 1h 45m

Direct flights go from Illinois to Baltimore every day.

There is 1 airport in Baltimore. From Illinois there are direct flights to Baltimore/Washington (BWI).

Search flight deals

Frequently asked questions about flying from Illinois to Baltimore

When did momondo last update prices for flights from Illinois to Baltimore/Washington Airport?
Prices for flights from Illinois to Baltimore/Washington Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Baltimore/Washington Airport?
As of June 2026, there are 5 operators available to choose from for flights from Illinois to Baltimore/Washington Airport.
How old do you have to be to fly from Illinois to Baltimore/Washington Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Baltimore/Washington Airport.
What documentation or ID do you need to fly to Baltimore/Washington Airport?
The travel and health documents you'll need for your trip to Baltimore/Washington Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Baltimore/Washington Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Illinois to Baltimore?
Based on momondo bookings for flights between Illinois and Baltimore, the leading plane model is Boeing 737-800, making up 12.10% of the total bookings. Other popular models include Boeing 737-900 with 11.28%, Boeing 737 MAX 8 with 10.39%, and Airbus A320-100/200 with 9.85%.

Best airlines flying from Illinois to Baltimore

Compare and see reviews for airlines that fly from Illinois to Baltimore with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $57	Free Cancellation	Rating 5.6 2,864 reviews	Search Frontier flights
American Airlines	PriceFrom $148	Free Cancellation	Rating 7.1 11,769 reviews	Search American Airlines flights
United Airlines	PriceFrom $149	Free Cancellation	Rating 7.4 9,893 reviews	Search United Airlines flights
Southwest	PriceFrom $157	Free Cancellation	Rating 7.9 4,245 reviews	Search Southwest flights
Delta	PriceFrom $183	Free Cancellation	Rating 7.8 8,453 reviews	Search Delta flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Baltimore for you.

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

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

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

Once you have performed a search for Illinois to Baltimore flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Baltimore from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Baltimore trip

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Airports servicing Maryland

Annapolis Airport

Frederick Airport

Hagerstown Regional Airport

Salisbury-Ocean City Airport

Cheap flights from Illinois to Washington, D.C. from $72

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Washington, D.C. departing on 7/27. 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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Frontier flights from Illinois to Baltimore

Our best Frontier deals on Illinois to Baltimore flight tickets

Southwest flights from Illinois to Baltimore

Our best Southwest deals on Illinois to Baltimore flight tickets

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Illinois to Baltimore

What is the cheapest month to fly to Baltimore?

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

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

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

How far in advance should I book a flight from Illinois to Baltimore?

What cabin class options are available on Illinois to Baltimore flights?

Can stopping save me money on Illinois to Baltimore flights?

What is the cheapest airline that flies from Illinois to Baltimore/Washington?

What airlines fly to Baltimore?

How many flights depart from Illinois to Baltimore on average per day?

How many flights depart from Illinois to Baltimore on average per week?

How long does it take to fly to Baltimore?

Cheap Illinois to Baltimore flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Baltimore

Frequently asked questions about flying from Illinois to Baltimore

Best airlines flying from Illinois to Baltimore

Compare and see reviews for airlines that fly from Illinois to Baltimore with momondo

Why use momondo?

An easier way to manage your Baltimore 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.

Find better results for your trip to the United States

Airports servicing Maryland

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

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