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

Fri, Oct 2 - Mon, Oct 5

2:29 pm - 9:25 amSTL Lambert-St Louis-BWI Baltimore/Washington

17h 56m1 stop Atlanta Hartsfield-Jackson

6:00 am - 1:10 pmBWI Baltimore/Washington-STL Lambert-St Louis

8h 10m1 stop Atlanta Hartsfield-Jackson

$95Frontier

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

$112Frontier

Sat, Oct 3 - Tue, Oct 6

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

2h 00mnonstop

6:29 am - 7:50 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$182United Airlines

Sat, Oct 3 - Tue, Oct 6

7:45 pm - 10:59 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 14mnonstop

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

2h 20mnonstop

$196United Airlines

Tue, Oct 13 - Wed, Oct 14

5:30 am - 8:25 amMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

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

2h 05mnonstop

$211Southwest

Wed, Oct 14 - Wed, Oct 21

5:30 am - 8:25 amMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

7:15 am - 8:15 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$211Southwest

Sat, Nov 21 - Tue, Nov 24

8:03 am - 11:11 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 08mnonstop

11:40 am - 1:14 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 34mnonstop

$211American Airlines

Wed, Oct 14 - Tue, Oct 20

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

$211American Airlines

Sat, Oct 10 - Mon, Oct 12

10:35 am - 5:31 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

5h 56m1 stop Atlanta Hartsfield-Jackson

12:37 pm - 4:32 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

4h 55m1 stop Detroit Metropolitan Wayne County

$247Delta

Mon, Oct 5 - Wed, Oct 7

3:40 pm - 9:25 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

4h 45m1 stop Atlanta Hartsfield-Jackson

7:50 pm - 11:57 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

5h 07m1 stop Atlanta Hartsfield-Jackson

$247Delta

Recent last minute flight deals from Illinois to Baltimore

Thu, Sep 17 - Sun, Sep 20

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

$159Frontier

Sat, Sep 19 - Sat, Sep 26

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

2h 12mnonstop

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

2h 24mnonstop

$258Frontier

Tue, Sep 15 - Thu, Sep 17

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

2h 09mnonstop

12:10 pm - 1:31 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$312United Airlines

Tue, Sep 15 - Tue, Oct 6

2:34 pm - 5:46 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 12mnonstop

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

2h 28mnonstop

$353American Airlines

Tue, Sep 15 - Tue, Oct 6

1:19 pm - 7:33 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

5h 14m1 stop Charlotte Douglas

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

2h 28mnonstop

$363American Airlines

Wed, Sep 16 - Tue, Nov 24

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

1h 50mnonstop

10:05 pm - 11:15 pmBWI Baltimore/Washington-MDW Chicago Midway

2h 10mnonstop

$379Southwest

Wed, Sep 16 - Tue, Nov 24

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

1h 50mnonstop

1:35 pm - 4:10 pmBWI Baltimore/Washington-MDW Chicago Midway

3h 35m1 stop Buffalo

$385Southwest

Wed, Sep 16 - Sat, Sep 19

11:19 am - 5:26 pmMLI Moline Quad-City-BWI Baltimore/Washington

5h 07m1 stop Atlanta Hartsfield-Jackson

5:10 pm - 10:30 pmBWI Baltimore/Washington-MLI Moline Quad-City

6h 20m1 stop Atlanta Hartsfield-Jackson

$391Delta

Wed, Sep 16 - Sun, Sep 20

11:19 am - 5:26 pmMLI Moline Quad-City-BWI Baltimore/Washington

5h 07m1 stop Atlanta Hartsfield-Jackson

6:00 am - 10:13 amBWI Baltimore/Washington-MLI Moline Quad-City

5h 13m1 stop Atlanta Hartsfield-Jackson

$400Delta

Tue, Sep 15 - Tue, Sep 15

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

2h 00mnonstop

5:35 pm - 6:55 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

$407United Airlines

Recent direct flight deals from Illinois to Baltimore

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

$112Frontier

Fri, Oct 30 - Mon, Nov 2

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

$112Frontier

Mon, Oct 5 - Sun, Oct 11

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

$112Frontier

Sat, Oct 3 - Tue, Oct 6

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

2h 00mnonstop

6:29 am - 7:50 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

$182United Airlines

Sat, Oct 3 - Tue, Oct 6

7:45 pm - 10:59 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 14mnonstop

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

2h 20mnonstop

$196United Airlines

Tue, Oct 13 - Wed, Oct 14

5:30 am - 8:25 amMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

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

2h 05mnonstop

$211Southwest

Wed, Oct 14 - Wed, Oct 21

5:30 am - 8:25 amMDW Chicago Midway-BWI Baltimore/Washington

1h 55mnonstop

7:15 am - 8:15 amBWI Baltimore/Washington-MDW Chicago Midway

2h 00mnonstop

$211Southwest

Wed, Oct 14 - Tue, Oct 20

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

$211American Airlines

Sat, Nov 21 - Tue, Nov 24

8:03 am - 11:11 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 08mnonstop

11:40 am - 1:14 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 34mnonstop

$211American Airlines

Thu, Sep 24 - Wed, Sep 30

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

2h 09mnonstop

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

2h 20mnonstop

$234United 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 16% 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.