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Cheap flights from Illinois to Washington, D.C. from $54

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 3/11. 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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Find the cheapest flights from Illinois to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
5:15 am - 8:24 am
ORD
-
BWI
2h 09mnonstop
Frontier Logo
9:59 pm - 11:26 pm
BWI
-
ORD
2h 27mnonstop
$83Frontier
Thu, Feb 26 - Sun, Mar 1
Frontier Logo
12:34 pm - 3:43 pm
ORD
-
BWI
2h 09mnonstop
Frontier Logo
4:53 pm - 10:39 pm
BWI
-
ORD
6h 46m
1 stop
$90Frontier
Fri, Mar 6 - Sat, Mar 7
Frontier Logo
5:15 am - 8:24 am
ORD
-
BWI
2h 09mnonstop
Frontier Logo
6:05 am - 6:41 pm
BWI
-
ORD
13h 36m
1 stop
$91Frontier
Thu, Mar 5 - Tue, Mar 10
Multiple Airlines Logo
12:34 pm - 3:43 pm
ORD
-
BWI
2h 09mnonstop
Multiple Airlines Logo
12:30 pm - 11:47 pm
BWI
-
ORD
12h 17m
1 stop
$93Multiple Airlines
Fri, Mar 6 - Mon, Mar 9
Southwest Logo
7:30 am - 10:25 am
MDW
-
BWI
1h 55mnonstop
Southwest Logo
5:50 pm - 7:00 pm
BWI
-
MDW
2h 10mnonstop
$149Southwest
Sat, Feb 28 - Wed, Mar 4
Multiple Airlines Logo
7:46 pm - 5:13 pm
EVV
-
BWI
20h 27m
2 stops
Multiple Airlines Logo
8:25 pm - 8:31 am
BWI
-
EVV
13h 06m
1 stop
$228Multiple Airlines
Mon, Feb 23 - Wed, Feb 25
United Airlines Logo
1:25 pm - 9:17 pm
PIA
-
BWI
6h 52m
1 stop
United Airlines Logo
8:09 am - 12:43 pm
BWI
-
PIA
5h 34m
1 stop
$260United Airlines
Tue, Mar 3 - Wed, Mar 11
American Airlines Logo
2:56 pm - 9:53 pm
BMI
-
BWI
5h 57m
1 stop
American Airlines Logo
5:00 am - 11:01 am
BWI
-
BMI
7h 01m
1 stop
$269American Airlines
Thu, Mar 5 - Wed, Mar 11
American Airlines Logo
1:30 pm - 7:39 pm
MLI
-
BWI
5h 09m
1 stop
American Airlines Logo
3:21 pm - 11:28 pm
BWI
-
MLI
9h 07m
1 stop
$274American Airlines
Fri, Feb 20 - Mon, Feb 23
United Airlines Logo
2:51 pm - 9:17 pm
PIA
-
BWI
5h 26m
1 stop
United Airlines Logo
10:30 am - 2:10 pm
BWI
-
PIA
4h 40m
1 stop
$279United Airlines
Sat, Feb 14 - Wed, Feb 18

Frontier flights from Illinois to Baltimore

Our best Frontier deals on Illinois to Baltimore flight tickets
Frontier
Feb 26
ORD5:15 amChicago O'Hare Intl
2h 09m
BWI8:24 amBaltimore/Washington
Mar 1
BWI9:59 pmBaltimore/Washington
2h 27m
ORD11:26 pmChicago O'Hare Intl
$83
Frontier
Mar 6
ORD12:34 pmChicago O'Hare Intl
2h 09m
BWI3:43 pmBaltimore/Washington
Mar 7
BWI4:53 pmBaltimore/Washington
6h 46m
1 stop
ORD10:39 pmChicago O'Hare Intl
$90
Frontier
Mar 5
ORD5:15 amChicago O'Hare Intl
2h 09m
BWI8:24 amBaltimore/Washington
Mar 10
BWI6:05 amBaltimore/Washington
13h 36m
1 stop
ORD6:41 pmChicago O'Hare Intl
$91

Delta flights from Illinois to Baltimore

Our best Delta deals on Illinois to Baltimore flight tickets
Delta
Mar 2
MDW6:20 pmChicago Midway
3h 33m
1 stop
BWI10:53 pmBaltimore/Washington
Mar 9
BWI4:43 pmBaltimore/Washington
6h 48m
1 stop
MDW10:31 pmChicago Midway
$188
Delta
Mar 7
MLI5:55 amMoline Quad-City
4h 59m
1 stop
BWI11:54 amBaltimore/Washington
Mar 12
BWI10:52 amBaltimore/Washington
6h 40m
1 stop
MLI4:32 pmMoline Quad-City
$269
Delta
Feb 9
STL6:57 pmLambert-St Louis
4h 44m
1 stop
BWI12:41 amBaltimore/Washington
Feb 12
BWI11:45 amBaltimore/Washington
5h 57m
1 stop
STL4:42 pmLambert-St Louis
$362

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Baltimore 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 February 3, 2026.
Use the filters below to find and compare flights from Illinois to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 2/26

5:15 am-8:24 am

Nonstop2h 09m

Baltimore/Washington

Sun 3/1

9:59 pm-11:26 pm

Nonstop2h 27m

$83

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 3/6

12:34 pm-3:43 pm

Nonstop2h 09m

Baltimore/Washington

Sat 3/7

4:53 pm-10:39 pm

1 stop6h 46m

$90

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Thu 3/5

5:15 am-8:24 am

Nonstop2h 09m

Baltimore/Washington

Tue 3/10

6:05 am-6:41 pm

1 stop13h 36m

$91

ChicagoBaltimore

ORD - BWI

ORDBWI

Chicago O'Hare Intl

Fri 3/6

12:34 pm-3:43 pm

Nonstop2h 09m

Baltimore/Washington

Mon 3/9

12:30 pm-11:47 pm

1 stop12h 17m

$93

ChicagoBaltimore

MDW - BWI

MDWBWI

Chicago Midway

Sat 2/28

7:30 am-10:25 am

Nonstop1h 55m

Baltimore/Washington

Wed 3/4

5:50 pm-7:00 pm

Nonstop2h 10m

$149

EvansvilleBaltimore

EVV - BWI

EVVBWI

Evansville Dress Regional

Mon 2/23

7:46 pm-5:13 pm

2 stops20h 27m

Baltimore/Washington

Wed 2/25

8:25 pm-8:31 am

1 stop13h 06m

$228

PeoriaBaltimore

PIA - BWI

PIABWI

Greater Peoria

Tue 3/3

1:25 pm-9:17 pm

1 stop6h 52m

Baltimore/Washington

Wed 3/11

8:09 am-12:43 pm

1 stop5h 34m

$260

BloomingtonBaltimore

BMI - BWI

BMIBWI

Bloomington-Normal

Thu 3/5

2:56 pm-9:53 pm

1 stop5h 57m

Baltimore/Washington

Wed 3/11

5:00 am-11:01 am

1 stop7h 01m

$269

MolineBaltimore

MLI - BWI

MLIBWI

Moline Quad-City

Fri 2/20

1:30 pm-7:39 pm

1 stop5h 09m

Baltimore/Washington

Mon 2/23

3:21 pm-11:28 pm

1 stop9h 07m

$274

PeoriaBaltimore

PIA - BWI

PIABWI

Greater Peoria

Sat 2/14

2:51 pm-9:17 pm

1 stop5h 26m

Baltimore/Washington

Wed 2/18

10:30 am-2:10 pm

1 stop4h 40m

$279

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 Washington, D.C. from

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

What is the cheapest month to fly to Baltimore?

If you’re not able to fly to Baltimore in September, then August is your next best option. Flight prices from Illinois to Baltimore during August average around $187.

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 $205. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $274. 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 $220 when looking at flights departing at noon. Flights in the evening are often more expensive with an average ticket price of $268.

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

Fly from Chicago O'Hare Intl to Baltimore/Washington for the best Illinois - Baltimore/Washington flight prices

How far in advance should I book a flight 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 $243 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 $158 on momondo.

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

There are 4 cabin classes available to choose from on Illinois to Baltimore/Washington 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?

No. A direct flight is the cheapest option for a flight between Illinois 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

$87

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 $87. The best round-trip flight deal from Illinois to Baltimore found on momondo in the last 72 hours is $143.
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

  • 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?

  • 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?

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
Spirit AirlinesPriceFrom $42Free CancellationRating
6.3
8,404 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.7
3,051 reviews
Search Frontier flights
United AirlinesPriceFrom $114Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $148Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
SouthwestPriceFrom $158Free CancellationRating
8.0
4,272 reviews
Search Southwest flights
DeltaPriceFrom $183Free CancellationRating
7.9
8,138 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

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.
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