How does KAYAK find such low prices on flights from Illinois to Baltimore?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Baltimore.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Baltimore?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Illinois to Baltimore?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Illinois with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Baltimore?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$57 CHEAP FLIGHTS from Illinois to Baltimore

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Flight Deals

Cheap Flights from Illinois to Baltimore

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to Baltimore

Thu, Dec 3 - Mon, Dec 14

10:53 am - 2:00 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 07mnonstop

5:50 pm - 7:14 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 24mnonstop

$112Frontier

Wed, Oct 7 - Wed, Oct 14

2:29 pm - 9:58 pmSTL Lambert-St Louis-BWI Baltimore/Washington

6h 29m1 stop Atlanta Hartsfield-Jackson

10:22 am - 5:40 pmBWI Baltimore/Washington-STL Lambert-St Louis

8h 18m1 stop Atlanta Hartsfield-Jackson

$117Frontier

Thu, Nov 5 - Mon, Nov 9

4:40 pm - 9:35 pmSTL Lambert-St Louis-BWI Baltimore/Washington

3h 55m1 stop Charlotte Douglas

6:00 pm - 9:00 pmBWI Baltimore/Washington-STL Lambert-St Louis

4h 00m1 stop Raleigh-Durham

$266Southwest

Sat, Oct 17 - Sat, Nov 7

5:30 pm - 12:16 amPIA Greater Peoria-BWI Baltimore/Washington

5h 46m1 stop Chicago O'Hare Intl

6:33 pm - 12:03 amBWI Baltimore/Washington-PIA Greater Peoria

6h 30m1 stop Chicago O'Hare Intl

$271American Airlines

Tue, Oct 13 - Mon, Oct 19

10:22 am - 5:46 pmSTL Lambert-St Louis-BWI Baltimore/Washington

6h 24m1 stop Charlotte Douglas

5:48 pm - 11:59 pmBWI Baltimore/Washington-STL Lambert-St Louis

7h 11m1 stop Charlotte Douglas

$275American Airlines

Tue, Oct 13 - Mon, Oct 19

6:47 am - 11:52 amSTL Lambert-St Louis-BWI Baltimore/Washington

4h 05m1 stop Detroit Metropolitan Wayne County

7:40 pm - 11:54 pmBWI Baltimore/Washington-STL Lambert-St Louis

5h 14m1 stop Atlanta Hartsfield-Jackson

$275Delta

Sat, Nov 14 - Wed, Dec 2

5:30 pm - 12:58 amSTL Lambert-St Louis-BWI Baltimore/Washington

6h 28m1 stop Atlanta Hartsfield-Jackson

6:00 am - 9:23 amBWI Baltimore/Washington-STL Lambert-St Louis

4h 23m1 stop Detroit Metropolitan Wayne County

$275Delta

Sat, Nov 14 - Wed, Dec 2

8:40 am - 5:05 pmSTL Lambert-St Louis-BWI Baltimore/Washington

7h 25m2 stops Austin Bergstrom Cincinnati Cinci./N. Kentucky

4:50 pm - 7:25 pmBWI Baltimore/Washington-STL Lambert-St Louis

3h 35m1 stop Pittsburgh

$276Southwest

Tue, Oct 6 - Tue, Oct 13

3:41 pm - 10:59 pmPIA Greater Peoria-BWI Baltimore/Washington

6h 18m1 stop Chicago O'Hare Intl

6:29 am - 10:06 amBWI Baltimore/Washington-PIA Greater Peoria

4h 37m1 stop Chicago O'Hare Intl

$291United Airlines

Thu, Oct 22 - Tue, Oct 27

10:49 am - 1:58 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 09mnonstop

5:31 pm - 6:52 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$299United Airlines

Recent last minute flight deals from Illinois to Baltimore

Thu, Sep 10 - Sat, Sep 12

6:20 am - 9:25 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 05mnonstop

8:45 pm - 10:02 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 17mnonstop

$167Frontier

Sat, Sep 12 - Sat, Sep 19

4:30 pm - 7:46 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 16mnonstop

5:03 pm - 6:27 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 24mnonstop

$239Frontier

Tue, Sep 15 - Wed, Sep 16

7:30 am - 10:30 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 00mnonstop

6:05 am - 7:26 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$258United Airlines

Sat, Sep 12 - Sat, Oct 3

6:00 am - 12:49 pmPIA Greater Peoria-BWI Baltimore/Washington

5h 49m1 stop Chicago O'Hare Intl

11:23 am - 4:58 pmBWI Baltimore/Washington-PIA Greater Peoria

6h 35m1 stop Chicago O'Hare Intl

$338American Airlines

Sat, Sep 12 - Mon, Sep 14

6:58 am - 10:07 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 09mnonstop

11:23 am - 12:40 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 17mnonstop

$368American Airlines

Mon, Sep 14 - Mon, Sep 28

9:00 am - 11:55 amMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

6:30 am - 7:30 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$390Southwest

Mon, Sep 14 - Mon, Sep 28

2:35 pm - 7:45 pmMDW Chicago Midway-BWI Baltimore/Washington

4h 10m1 stop Myrtle Beach Intl

6:30 am - 7:30 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$396Southwest

Sat, Sep 12 - Sat, Sep 12

7:30 am - 10:30 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 00mnonstop

5:40 pm - 6:57 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 17mnonstop

$407United Airlines

Mon, Sep 14 - Fri, Oct 2

6:20 am - 9:25 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 05mnonstop

4:00 pm - 1:45 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

22h 45m1 stop Fort Lauderdale

$417Multiple Airlines

Mon, Sep 14 - Fri, Sep 18

11:15 am - 8:44 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

8h 29m1 stop Orlando

9:25 pm - 11:48 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

15h 23m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$432Multiple Airlines

Recent direct flight deals from Illinois to Baltimore

Thu, Dec 3 - Mon, Dec 14

10:53 am - 2:00 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 07mnonstop

5:50 pm - 7:14 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 24mnonstop

$112Frontier

Fri, Sep 25 - Sun, Sep 27

6:20 am - 9:25 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 05mnonstop

10:20 am - 11:40 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$122Frontier

Sat, Oct 3 - Mon, Oct 5

12:56 pm - 4:08 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 12mnonstop

10:20 am - 11:40 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$124Frontier

Thu, Oct 8 - Sat, Oct 10

9:12 pm - 12:16 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

11:40 am - 12:59 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 19mnonstop

$299American Airlines

Sat, Oct 3 - Tue, Oct 6

9:40 am - 12:49 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 09mnonstop

7:17 am - 8:45 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

$299American Airlines

Thu, Oct 22 - Tue, Oct 27

10:49 am - 1:58 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 09mnonstop

5:31 pm - 6:52 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$299United Airlines

Thu, Oct 1 - Thu, Oct 1

10:49 am - 1:58 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 09mnonstop

7:10 pm - 8:29 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 19mnonstop

$299United Airlines

Thu, Oct 1 - Mon, Oct 5

7:25 am - 10:10 amMDW Chicago Midway-BWI Baltimore/Washington

1h 45mnonstop

9:00 pm - 10:00 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$299Southwest

Wed, Oct 21 - Wed, Oct 28

1:00 pm - 3:45 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 45mnonstop

8:20 pm - 9:25 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 05mnonstop

$299Southwest

Sat, Oct 10 - Mon, Oct 12

9:12 pm - 12:16 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

7:17 am - 8:45 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

$299American Airlines

Useful Info

Low season	January
High season	October
Cheapest flight	$57

Best time to beat the crowds with an average 1% drop in price.

Most popular time to fly and prices are also 17% lower on average.

Flight from St. Louis to Baltimore

How does KAYAK find such low prices on flights from Illinois to Baltimore?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to Baltimore.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to Baltimore?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Baltimore from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to Baltimore?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Baltimore with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to Baltimore?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Baltimore from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.