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Cheap flights from Baltimore to Illinois from $60

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 Illinois departing on 1/13. 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

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Find the cheapest flights from Baltimore to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:17 pm - 9:41 pm
BWI
-
ORD
2h 24mnonstop
Frontier Logo
3:50 pm - 6:50 pm
ORD
-
BWI
2h 00mnonstop
$82Frontier
Sun, Jan 11 - Thu, Jan 15
Multiple Airlines Logo
1:00 pm - 9:03 pm
BWI
-
ORD
9h 03m1 stop
Multiple Airlines Logo
8:45 am - 11:45 am
ORD
-
BWI
2h 00mnonstop
$85Multiple Airlines
Sat, Feb 7 - Mon, Feb 9
Southwest Logo
1:45 pm - 2:55 pm
BWI
-
MDW
2h 10mnonstop
Southwest Logo
6:15 pm - 9:05 pm
MDW
-
BWI
1h 50mnonstop
$129Southwest
Wed, Feb 11 - Sat, Feb 14
Southwest Logo
7:40 am - 9:00 am
BWI
-
MDW
2h 20mnonstop
Southwest Logo
7:05 pm - 9:55 pm
MDW
-
BWI
1h 50mnonstop
$139Southwest
Thu, Feb 19 - Mon, Feb 23
United Airlines Logo
6:20 am - 12:43 pm
BWI
-
PIA
7h 23m1 stop
United Airlines Logo
1:25 pm - 9:17 pm
PIA
-
BWI
6h 52m1 stop
$259United Airlines
Sat, Feb 14 - Mon, Feb 16
United Airlines Logo
10:05 am - 2:23 pm
BWI
-
PIA
5h 18m1 stop
United Airlines Logo
3:00 pm - 9:21 pm
PIA
-
BWI
5h 21m1 stop
$260United Airlines
Sat, Jan 10 - Mon, Jan 12
American Airlines Logo
6:31 pm - 10:21 pm
BWI
-
PIA
4h 50m1 stop
American Airlines Logo
5:29 pm - 11:21 pm
PIA
-
BWI
4h 52m1 stop
$269American Airlines
Fri, Jan 16 - Mon, Jan 19
American Airlines Logo
11:13 am - 4:59 pm
BWI
-
PIA
6h 46m1 stop
American Airlines Logo
5:29 pm - 11:21 pm
PIA
-
BWI
4h 52m1 stop
$319American Airlines
Fri, Jan 16 - Mon, Jan 19
Delta Logo
11:24 am - 4:26 pm
BWI
-
MLI
6h 02m1 stop
Delta Logo
5:11 pm - 11:37 pm
MLI
-
BWI
5h 26m1 stop
$329Delta
Mon, Jan 5 - Sat, Jan 10
Delta Logo
4:49 pm - 10:30 pm
BWI
-
MLI
6h 41m1 stop
Delta Logo
5:51 am - 11:55 am
MLI
-
BWI
5h 04m1 stop
$663Delta
Sun, Jan 4 - Thu, Jan 8

Frontier flights from Baltimore to Illinois

Our best Frontier deals on Baltimore to Illinois flight tickets
Frontier
Jan 11
BWI8:17 pmBaltimore/Washington
2h 24m
ORD9:41 pmChicago O'Hare Intl
Jan 15
ORD3:50 pmChicago O'Hare Intl
2h 00m
BWI6:50 pmBaltimore/Washington
$82
Find similar
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
$87
Find similar
Frontier
Jan 29
BWI12:05 pmBaltimore/Washington
2h 27m
ORD1:32 pmChicago O'Hare Intl
Feb 2
ORD8:45 amChicago O'Hare Intl
2h 00m
BWI11:45 amBaltimore/Washington
$89
Find similar

Spirit Airlines flights from Baltimore to Illinois

Our best Spirit Airlines deals on Baltimore to Illinois flight tickets
Spirit Airlines
Jan 13
BWI11:30 amBaltimore/Washington
7h 22m
1 stop
ORD5:52 pmChicago O'Hare Intl
Jan 14
ORD7:20 amChicago O'Hare Intl
10h 43m
1 stop
BWI7:03 pmBaltimore/Washington
$120
Find similar
Spirit Airlines
Jan 7
BWI8:38 pmBaltimore/Washington
2h 10m
ORD9:48 pmChicago O'Hare Intl
Jan 11
ORD8:43 pmChicago O'Hare Intl
10h 48m
1 stop
BWI8:31 amBaltimore/Washington
$127
Find similar
Spirit Airlines
Jan 31
BWI1:00 pmBaltimore/Washington
9h 03m
1 stop
ORD9:03 pmChicago O'Hare Intl
Feb 7
ORD7:20 amChicago O'Hare Intl
10h 43m
1 stop
BWI7:03 pmBaltimore/Washington
$132
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Illinois 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 December 22, 2025.
Use the filters below to find and compare flights from Baltimore to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sun 1/11

8:17 pm-9:41 pm

Nonstop2h 24m

Chicago O'Hare Intl

Thu 1/15

3:50 pm-6:50 pm

Nonstop2h 00m

$82

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 2/7

1:00 pm-9:03 pm

1 stop9h 03m

Chicago O'Hare Intl

Mon 2/9

8:45 am-11:45 am

Nonstop2h 00m

$85

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Wed 2/11

1:45 pm-2:55 pm

Nonstop2h 10m

Chicago Midway

Sat 2/14

6:15 pm-9:05 pm

Nonstop1h 50m

$129

BaltimoreChicago

BWI - MDW

BWIMDW

Baltimore/Washington

Thu 2/19

7:40 am-9:00 am

Nonstop2h 20m

Chicago Midway

Mon 2/23

7:05 pm-9:55 pm

Nonstop1h 50m

$139

BaltimorePeoria

BWI - PIA

BWIPIA

Baltimore/Washington

Sat 2/14

6:20 am-12:43 pm

1 stop7h 23m

Greater Peoria

Mon 2/16

1:25 pm-9:17 pm

1 stop6h 52m

$259

BaltimorePeoria

BWI - PIA

BWIPIA

Baltimore/Washington

Sat 1/10

10:05 am-2:23 pm

1 stop5h 18m

Greater Peoria

Mon 1/12

3:00 pm-9:21 pm

1 stop5h 21m

$260

BaltimorePeoria

BWI - PIA

BWIPIA

Baltimore/Washington

Fri 1/16

6:31 pm-10:21 pm

1 stop4h 50m

Greater Peoria

Mon 1/19

5:29 pm-11:21 pm

1 stop4h 52m

$269

BaltimorePeoria

BWI - PIA

BWIPIA

Baltimore/Washington

Fri 1/16

11:13 am-4:59 pm

1 stop6h 46m

Greater Peoria

Mon 1/19

5:29 pm-11:21 pm

1 stop4h 52m

$319

BaltimoreMoline

BWI - MLI

BWIMLI

Baltimore/Washington

Mon 1/5

11:24 am-4:26 pm

1 stop6h 02m

Moline Quad-City

Sat 1/10

5:11 pm-11:37 pm

1 stop5h 26m

$329

BaltimoreMoline

BWI - MLI

BWIMLI

Baltimore/Washington

Sun 1/4

4:49 pm-10:30 pm

1 stop6h 41m

Moline Quad-City

Thu 1/8

5:51 am-11:55 am

1 stop5h 04m

$663

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 Illinois from

How to get the cheapest flight ticket from Baltimore to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Baltimore is in January. Flight prices, which tend to average around $135, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $161.

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

The cheapest day to depart from Baltimore to Illinois is on a Friday when prices can be found for as low as $289. Flights from Baltimore to Illinois on a Sunday will generally be more expensive and average around $582. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from Baltimore to Illinois during this time can be as low as $243. Flights in the morning are often more expensive with an average ticket price of $473.

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

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

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

You are more likely to see cheaper flights to Illinois from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $280 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Baltimore for as low as $207 on momondo.

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

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

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

Cheap Baltimore to Illinois flight deals and tips

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

Best Price Found

$127

Fastest flight time

2h 00m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from Baltimore in the past 72 hours is $127. The best round-trip flight deal from Baltimore to Illinois found on momondo in the last 72 hours is $167.
The fastest flight from Baltimore to Illinois takes 2h 00m
Direct flights go from Baltimore to Illinois every day.
There are 98 airports in Illinois. From Baltimore there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).
Search flight deals

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

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

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

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

    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 Baltimore/Washington Airport to Illinois.

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

    The travel and health documents required for your trip to Illinois 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 Illinois. 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 Illinois?

Best airlines flying from Baltimore to Illinois

Compare and see reviews for airlines that fly from Baltimore to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $52Free CancellationRating
6.3
8,193 reviews
Search Spirit Airlines flights
FrontierPriceFrom $58Free CancellationRating
5.8
3,077 reviews
Search Frontier flights
United AirlinesPriceFrom $131Free CancellationRating
7.4
9,102 reviews
Search United Airlines flights
SouthwestPriceFrom $148Free CancellationRating
8.0
4,252 reviews
Search Southwest flights
American AirlinesPriceFrom $173Free CancellationRating
7.2
11,052 reviews
Search American Airlines flights
DeltaPriceFrom $242Free CancellationRating
7.9
8,014 reviews
Search Delta flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Baltimore to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Illinois from Baltimore which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Baltimore to Illinois 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 Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois from Baltimore 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 Illinois 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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