BWI

$67 Find Cheap Flights from Illinois to Baltimore - Compare and Save

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 9/7. 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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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

Thu, Oct 15 - Wed, Oct 28
Frontier Logo
10:35 am - 6:34 pmSTL  Lambert-St Louis-BWI Baltimore/Washington
6h 59m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:20 pm - 9:40 amBWI  Baltimore/Washington-STL Lambert-St Louis
13h 20m1 stop Atlanta Hartsfield-Jackson
$136Frontier
Thu, Oct 15 - Wed, Oct 21
Frontier Logo
10:35 am - 6:34 pmSTL  Lambert-St Louis-BWI Baltimore/Washington
6h 59m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
9:29 pm - 9:40 amBWI  Baltimore/Washington-STL Lambert-St Louis
13h 11m1 stop Atlanta Hartsfield-Jackson
$139Frontier
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
6:55 pm - 9:59 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 04mnonstop
American Airlines Logo
7:02 am - 8:29 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 27mnonstop
$177American Airlines
Sat, Sep 5 - Sun, Sep 6
American Airlines Logo
6:55 pm - 9:59 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 04mnonstop
American Airlines Logo
7:02 am - 8:29 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 27mnonstop
$178American Airlines
Sat, Sep 5 - Sun, Sep 6
Southwest Logo
11:45 am - 4:00 pmMDW  Chicago Midway-BWI Baltimore/Washington
3h 15m1 stop Grand Rapids Gerald R. Ford Intl
Southwest Logo
9:35 pm - 10:35 pmBWI  Baltimore/Washington-MDW Chicago Midway
2h 00mnonstop
$183Southwest
Sat, Sep 5 - Sat, Sep 5
Southwest Logo
7:50 am - 1:05 pmMDW  Chicago Midway-BWI Baltimore/Washington
4h 15m1 stop Hartford Bradley Intl
Southwest Logo
7:30 pm - 8:35 pmBWI  Baltimore/Washington-MDW Chicago Midway
2h 05mnonstop
$183Southwest
Sat, Sep 5 - Sun, Sep 6
Delta Logo
1:50 pm - 7:50 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
5h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:15 am - 10:42 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
5h 27m1 stop Detroit Metropolitan Wayne County
$197Delta
Sat, Sep 5 - Sun, Sep 6
Delta Logo
10:50 am - 7:50 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
8h 00m1 stop Atlanta Hartsfield-Jackson
Delta Logo
6:15 am - 10:42 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
5h 27m1 stop Detroit Metropolitan Wayne County
$197Delta
Thu, Sep 3 - Sun, Sep 6
United Airlines Logo
10:49 am - 1:58 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 09mnonstop
United Airlines Logo
10:25 am - 11:46 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 21mnonstop
$219United Airlines
Sat, Sep 5 - Sat, Sep 5
United Airlines Logo
10:49 am - 1:58 pmORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 09mnonstop
United Airlines Logo
5:40 pm - 7:00 pmBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 20mnonstop
$252United Airlines
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Good to know

Low season

January

Cheapest flight

$67
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

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)