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.

$58 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

Mon, Oct 19 - Wed, Oct 21

6:35 pm - 12:34 amSTL Lambert-St Louis-BWI Baltimore/Washington

4h 59m1 stop Atlanta Hartsfield-Jackson

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

8h 18m1 stop Atlanta Hartsfield-Jackson

$122Frontier

Thu, Nov 5 - Mon, Nov 9

6:00 am - 8:57 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

1h 57mnonstop

9:53 am - 11:23 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 30mnonstop

$130Frontier

Wed, Oct 7 - Tue, Oct 13

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

2h 00mnonstop

9:09 am - 10:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$188United Airlines

Wed, Oct 7 - Wed, Oct 14

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

2h 00mnonstop

9:09 am - 10:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$189United Airlines

Thu, Oct 15 - Mon, Oct 19

6:00 am - 9:03 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 03mnonstop

9:59 pm - 3:30 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

42h 31m2 stops Tampa Fort Lauderdale

$200Multiple Airlines

Tue, Oct 20 - Tue, Oct 27

6:30 pm - 9:25 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

3:05 pm - 4:05 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$209Southwest

Wed, Feb 3 - Tue, Feb 9

5:40 pm - 8:30 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 50mnonstop

7:55 am - 9:05 amBWI Baltimore/Washington-MDW Chicago Midway

2h 10mnonstop

$209Southwest

Wed, Oct 21 - Sat, Oct 24

7:59 am - 11:01 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 02mnonstop

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

2h 28mnonstop

$209American Airlines

Tue, Oct 20 - Tue, Oct 27

9:20 pm - 12:24 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

$209American Airlines

Sat, Oct 17 - Fri, Oct 23

4:42 pm - 8:20 amEVV Evansville Dress Regional-BWI Baltimore/Washington

14h 38m1 stop Orlando

9:52 pm - 4:02 pmBWI Baltimore/Washington-EVV Evansville Dress Regional

19h 10m1 stop Orlando

$422Multiple Airlines

Recent last minute flight deals from Illinois to Baltimore

Thu, Sep 24 - Sat, Sep 26

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

2h 05mnonstop

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

2h 24mnonstop

$121Frontier

Fri, Sep 25 - Thu, Oct 8

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

2h 05mnonstop

9:58 am - 11:21 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 23mnonstop

$250Frontier

Mon, Sep 21 - Wed, Sep 23

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

2h 00mnonstop

12:10 pm - 1:30 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$318United Airlines

Tue, Sep 22 - Wed, Sep 30

1:54 pm - 9:20 pmSTL Lambert-St Louis-BWI Baltimore/Washington

6h 26m1 stop Charlotte Douglas

7:39 am - 1:03 pmBWI Baltimore/Washington-STL Lambert-St Louis

6h 24m1 stop Charlotte Douglas

$391American Airlines

Tue, Sep 22 - Tue, Sep 29

1:54 pm - 9:20 pmSTL Lambert-St Louis-BWI Baltimore/Washington

6h 26m1 stop Charlotte Douglas

6:00 am - 10:18 amBWI Baltimore/Washington-STL Lambert-St Louis

5h 18m1 stop Chicago O'Hare Intl

$391American Airlines

Fri, Sep 25 - Tue, Sep 29

11:19 am - 7:47 pmMLI Moline Quad-City-BWI Baltimore/Washington

7h 28m1 stop Atlanta Hartsfield-Jackson

10:21 am - 4:29 pmBWI Baltimore/Washington-MLI Moline Quad-City

7h 08m1 stop Atlanta Hartsfield-Jackson

$399Delta

Thu, Sep 24 - Sat, Oct 3

2:28 pm - 10:59 pmMLI Moline Quad-City-BWI Baltimore/Washington

7h 31m1 stop Chicago O'Hare Intl

6:29 am - 12:37 pmBWI Baltimore/Washington-MLI Moline Quad-City

7h 08m1 stop Chicago O'Hare Intl

$414United Airlines

Fri, Sep 25 - Tue, Sep 29

11:19 am - 7:47 pmMLI Moline Quad-City-BWI Baltimore/Washington

7h 28m1 stop Atlanta Hartsfield-Jackson

10:21 am - 4:29 pmBWI Baltimore/Washington-MLI Moline Quad-City

7h 08m1 stop Atlanta Hartsfield-Jackson

$420Delta

Tue, Sep 22 - Tue, Sep 22

9:25 am - 12:15 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 50mnonstop

2:50 pm - 3:50 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$427Southwest

Wed, Sep 23 - Sat, Sep 26

3:05 pm - 5:55 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 50mnonstop

9:40 am - 10:40 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$427Southwest

Recent direct flight deals from Illinois to Baltimore

Thu, Nov 5 - Mon, Nov 9

6:00 am - 8:57 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

1h 57mnonstop

9:53 am - 11:23 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 30mnonstop

$130Frontier

Tue, Nov 24 - Thu, Dec 3

2:52 pm - 6:02 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 10mnonstop

2:36 pm - 4:04 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

$130Frontier

Sat, Nov 21 - Thu, Nov 26

2:52 pm - 6:02 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 10mnonstop

2:42 pm - 4:10 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 28mnonstop

$130Frontier

Wed, Oct 7 - Tue, Oct 13

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

2h 00mnonstop

9:09 am - 10:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$188United Airlines

Wed, Oct 7 - Wed, Oct 14

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

2h 00mnonstop

9:09 am - 10:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$189United Airlines

Sat, Oct 24 - Sat, Oct 31

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

2h 00mnonstop

6:10 am - 7:29 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 19mnonstop

$195United Airlines

Wed, Oct 21 - Sat, Oct 24

7:59 am - 11:01 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 02mnonstop

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

2h 28mnonstop

$209American Airlines

Tue, Oct 20 - Tue, Oct 27

9:20 pm - 12:24 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

$209American Airlines

Tue, Oct 20 - Tue, Oct 27

6:30 pm - 9:25 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

3:05 pm - 4:05 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$209Southwest

Wed, Feb 3 - Tue, Feb 9

5:40 pm - 8:30 pmMDW Chicago Midway-BWI Baltimore/Washington

1h 50mnonstop

7:55 am - 9:05 amBWI Baltimore/Washington-MDW Chicago Midway

2h 10mnonstop

$209Southwest

Useful Info

Low season	January
High season	October
Cheapest flight	$58

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly and prices are also 13% 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.