BWI

$47 Find Cheap Flights from Illinois to Baltimore

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Baltimore departing on 12/15. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$98
Overall average: $287
Frontier
Fri 2/20Mon 2/23
ORD - BWI • 1 stop
Cheapest non-stop
$107
Typical prices: $182-$334
Frontier
Fri 12/12Sun 12/14
ORD - BWI • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to Baltimore

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to Baltimore that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to Baltimore

Fri, Feb 20 - Mon, Feb 23
Frontier Logo
5:05 am - 5:47 pmORD-BWI
11h 42m1 stop
Frontier Logo
8:58 am - 10:22 amBWI-ORD
2h 24mnonstop
$98Frontier
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Thu, Dec 18 - Sun, Jan 11
Frontier Logo
12:39 pm - 12:34 amORD-BWI
10h 55m1 stop
Frontier Logo
8:17 pm - 9:41 pmBWI-ORD
2h 24mnonstop
$101Frontier
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Fri, Dec 5 - Sun, Dec 7
Multiple Airlines Logo
12:09 pm - 12:23 amORD-BWI
11h 14m1 stop
Multiple Airlines Logo
9:13 am - 10:31 amBWI-ORD
2h 18mnonstop
$111Multiple Airlines
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Wed, Jan 21 - Wed, Jan 28
Multiple Airlines Logo
4:45 pm - 11:17 amSTL-BWI
17h 32m1 stop
Multiple Airlines Logo
8:00 am - 11:33 pmBWI-STL
16h 33m1 stop
$130Multiple Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
United Airlines Logo
6:30 am - 2:11 pmPIA-BWI
6h 41m1 stop
United Airlines Logo
5:18 pm - 9:39 pmBWI-PIA
5h 21m1 stop
$249United Airlines
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Wed, Feb 18 - Mon, Feb 23
United Airlines Logo
8:15 am - 2:06 pmMLI-BWI
4h 51m1 stop
United Airlines Logo
6:30 am - 10:16 amBWI-MLI
4h 46m1 stop
$249United Airlines
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Tue, Dec 2 - Sat, Dec 6
Delta Logo
5:08 pm - 12:19 amMLI-BWI
6h 11m1 stop
Delta Logo
6:19 pm - 10:33 pmBWI-MLI
5h 14m1 stop
$251Delta
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Tue, Dec 9 - Sat, Dec 13
American Airlines Logo
5:27 pm - 11:33 pmMLI-BWI
5h 06m1 stop
American Airlines Logo
1:54 pm - 10:59 pmBWI-MLI
10h 05m2 stops
$254American Airlines
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Tue, Dec 2 - Sat, Dec 6
American Airlines Logo
5:22 pm - 11:35 pmMLI-BWI
5h 13m1 stop
American Airlines Logo
1:54 pm - 10:59 pmBWI-MLI
10h 05m2 stops
$256American Airlines
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Fri, Dec 12 - Mon, Dec 15
Delta Logo
5:08 pm - 12:19 amMLI-BWI
6h 11m1 stop
Delta Logo
6:21 pm - 10:33 pmBWI-MLI
5h 12m1 stop
$264Delta
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Useful Info

Good to know

Low seasonFebruary
Cheapest flight$47
Most popular time to fly with an average 13% increase in price.
Flight from St. Louis to Baltimore

FAQs for booking flights from Illinois 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.

Everything you need to know for your flight to Baltimore

Information on the airport you'll fly into in Baltimore

Baltimore (BWI)